AT&T System 75 Wiring Diagram
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AT&T System 75 Wiring Diagram

AT&T System 75 Wiring Diagram

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  • Page 1 AT&T AT&T System 75 and System 75 XE Wiring...
  • Page 2 AT&T AT&T System 75 and System 75 XE Wiring 555-200-111 Issue 2, August 1989...
  • Page 3 TO ORDER COPIES OF THIS MANUAL Call: AT&T Customer Information Center on 800-432-6600 In Canada Call 800-255-1242 Write: AT&T Customer Information Center 2855 North Franklin Road P.O. Box 19901 Indianapolis, Indiana 46219-1385 TO COMMENT ON THIS MANUAL Call: The AT&T Document Development Organization Hot Line: 800-334-0404 In North Carolina Call 919-727-3167 While reasonable efforts were made to ensure that the information...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS Page CHAPTER 1. INTRODUCTION General Organization Use of Guide Equipment System Wiring Cross-Connect Hardware Selection 1-10 Wiring Hardware Changes 1-11 Planning 1-11 Job Aids 1-11 Voice Terminals 1-13 Site or Satellite Closets 1-13 Cabling Facilities CHAPTER 2. HARDWARE (66/110-Type) General 110-Type Hardware Description...
  • Page 5 TABLE OF CONTENTS (Contd) Page Bridging Clips 2-30 2-31 Associated Hardware 2-31 Cable Slack Managers 2-34 Network Interfaces 2-34 Sneak Fuse Panels 2-37 Emergency Transfer Units 2-39 Trunk Concentrator Cables 16-Port Analog Line Circuit Pack Adapter Cable (For 110-Type 2-45 Hardware Only) 2-46 4-Port Met Line Circuit Pack Concentrator Cable...
  • Page 6 Installing Attendant Console 4-30 Installing Selector Console 4-31 Installing lNADS lnterface 4-33 Installing DS1 Tie Trunks 4-36 Installing Customer-Provided Alarm—System 75 XE Only 4-36 Installing Off-Premises Station Wiring 4-37 Installing Out-of-Building Station Wiring Installing Emergency Transfer Units and Associated 4-45 Telephones...
  • Page 7 Only 5-32 Installing Dial Dictation Equipment 5-33 Installing 3270 Data Modules 5-36 Installing Processor Data Modules (PDMs) 5-39 Installing AP Interface—System 75 Only 5-42 Installing AUDIX Interface—R1V3 Only 5-42 Installing CMS Interface—R1V3 Only 5-43 Installing DCS—R1V2 and R1V3 5-44 Installing PMS Interface—R1V3 Only...

  • Page 8: Chapter 1. Introduction

    CHAPTER 1. INTRODUCTION GeneraI Organization Use of Guide Equipment System Wiring Cross-Connect Hardware Selection 1-10 Wiring Hardware Changes 1-11 Planning 1-11 Job Aids 1-11 Voice Terminals 1-13 Site or Satellite Closets 1-13 Cabling Facilities...
  • Page 9 Documentation Block Diagram Figure 1-2. System Uniform Wiring Plan Figure 1-3. Sample Uniform Wiring Installation 1-10 Figure 1-4. Block Diagram of System 75 or 75 XE Installation Figure 1-5. Sample Floor Plan With Voice Terminal Locations 1-12 Marked 1-14 Figure 1-6.
  • Page 10 8-pin modular wall jacks (information outlets). All information in this guide is compatible with both System 75 or 75 XE, except when a statement is made that a topic is strictly for a specific switch.
  • Page 11 CHAPTER 1. INTRODUCTION This issue replaces all previous issues of this document. The reason for reissue is: Remove information pertaining to Z100-type hardware. Combine information for 66- and 110-type hardware. Add processor/EIA interface connections. Add digital out-of-building voice terminal connections. Add connections for System Access Terminal (SAT).

  • Page 12: Figure 1-1. Documentation Block Diagram

    General MANUAL 555-015-104 CENTRAL TERMINALS OFFICE TRUNKS ADJUNCTS WIRING GUIDE (555-200-111) AUXILIARY NETWORK INFORMATION EQUIPMENT INTERFACE OUTLET STATION WIRING MAIN TRUNK/ SNEAK FUSE CROSS-CONNECT AUXILIARY PANEL FIELD FIELD MANUAL (555-200-104 SWITCH CABINET 555-201-104) CONSOLE Figure 1-1. Documentation Block Diagram...
  • Page 13 CHAPTER 1. INTRODUCTION Organization This guide is organized into seven chapters: CHAPTER 1—INTRODUCTION Presents an overview of the system Uniform Wiring Plan, general guidelines on hardware selection, and organization of the guide. CHAPTER 2—HARDWARE (66- and 110-Type) Describes the 66- and 110-type connecting blocks and associated hardware, job planning, equipment ordering codes, and how to install the hardware.

  • Page 14: System Wiring

    Organization Use of Guide This guide provides information for planning, designing, and installing a cost-effective wiring installation that allows moves, changes, and additions to be made quickly and easily. To make the best use of this guide, take the time to read it thoroughly and become familiar with its contents and organization.
  • Page 15 CHAPTER 1. INTRODUCTION The system switch ports for data and voice terminals require three pairs of wire per circuit. Voice terminal adjuncts require an additional pair for remote powering. To provide maximum flexibility for voice terminal changes, rearrangements, and powering, all data and voice terminal information outlets are wired with 4-pair cable.

  • Page 16: Figure 1-2. System Uniform Wiring Plan

    System Wiring Figure 1-2. System Uniform Wiring Plan...

  • Page 17: Figure 1-3. Sample Uniform Wiring Installation

    CHAPTER 1. INTRODUCTION Figure 1-3. Sample Uniform Wiring Installation...

  • Page 18: Cross-Connect Hardware Selection

    Figure 1-4 shows a block diagram of the equipment required to install a System 75 or 75 XE switch. The sites shown in Figure 1-4 are physical locations (closets) for pass-through connections where adjunct power may be applied. The satellite is a physical location (closet) where cross-connect administration can take place and adjunct power may be applied.

  • Page 19: Wiring Hardware Changes

    CHAPTER 1. INTRODUCTION Figure 1-4. Block Diagram of System 75 or 75 XE Installation Wiring Hardware Changes All jobs engineered by PSCs based on customer requirements and preferences should not be redesigned by the Field Services Organization (FSO) without approval by the PSC/MBO. If changes are required, a change order must be issued to ensure correct billing.

  • Page 20: Planning

    Planning Planning The following information will help you design a uniform wiring plan with growth potential. The plan is simple, flexible, easy to administer, and reasonable in cost. Job Aids Blueprints (floor plans) are important when planning, designing, and installing station wiring. The floor plans (Figure 1-5) provide a complete view of all conduit and other cabling facilities in the building.

  • Page 21: Figure 1-5. Sample Floor Plan With Voice Terminal Locations Marked

    CHAPTER 1. INTRODUCTION SITE OR SATELLITE CABLE DUCT* LOCATION CABLE DUCT* * AN OPTION TO THE CABLE DUCT SHOWN IS TO RUN CABLES (PLENUM-APPROVED, IF APPROPRIATE OR REQUIRED) ABOVE A DROP/FALSE CEILING. - INFORMATION OUTLET LOCATION 1 - SPEAKERPHONE ANALOG VOICE TERMINAL 2 - AMPLIFIED HEADSET HYBRID VOICE TERMINAL 3 - CALL COVERAGE MODULE...

  • Page 22: Site Or Satellite Closets

    Planning Site or Satellite Closets When determining the location of site or satellite closets, use the following information as a guide. Show the locations on the floor plan. Keep the number of locations to a minimum. Centrally locate the site or satellite closets among the information outlets to minimize station wiring distances.

  • Page 23: Figure 1-6. Riser Cable Placement

    CHAPTER 1. INTRODUCTION ACCEPTABLE PREFERRED INDIVIDUAL 100-PAIR MAIN RISER CABLE WITH RISER CABLES SMALLER CABLES SPLICED TO IT TWO POSSIBLE WAYS TO PLACE RISER CABLE THE UNIFORM WIRING PLAN SHOULD NOT CONTAIN ANY BRIDGE CAUTION: TAPS (AN UNUSED CABLE PAIR CONNECTED TO A WORKING CABLE OR THE CONTINUATION OF A WORKING PAIR PAST THE POINT AT WHICH A TERMINAL HAS BEEN CONNECTED).
  • Page 24 CHAPTER 2. HARDWARE (66/110-Type) General 110-Type Hardware Description 110-Type Wiring Blocks Index Strips and Connecting Blocks 110A-Type Hardware 110P-Type Hardware 2-11 188-Type Backboards 2-18 2-18 Cords 2-18 110-Type Patch Cords F-61789 Power Adapter Cords 2-20 Test Cords 2-21 2-21 Jumpers 2-21 Tools F Clip Terminal Insulator...
  • Page 25 2-34 575-4 Sneak Current Fuse Panel 2-37 Emergency Transfer Units 2-37 General 2-37 Z1A Emergency Transfer Unit 2-37 574-5 Power Transfer Unit 2-39 Trunk Concentrator Cables WP-90929, List 1, Cable Assembly (For 110-type Hardware 2-39 Only) WP-90929, List 2, Cable Assembly (For 66-type Hardware 2-42 Only) WP-90929, List 3, Cable Assembly (For 110-type Hardware...
  • Page 26 Figures Figure 2-1. Block Diagram of System 75 or 75 XE Installation Figure 2-2. 110-Type Wiring Block Figure 2-3. 110-Type Index Strip With Connecting Blocks Figure 2-4. 110A-Type 100-Pair Terminal Block Figure 2-5. 110A-Type 300-Pair Terminal Block Figure 2-6. 110P-Type Terminal Block—300-Pair...
  • Page 27 Tables Table 2-A. 25-Pair Cable Termination on a 110-Type Wiring Block/66-Type Connecting Block Table 2-B. WP-90929, List 1 and List 2, Cable Assembly 2-41 Wiring Table 2-C. WP-90929, List 3 and List 4, Cable Assembly 2-44 Wiring Table 2-D. Individual Power Supply Adjunct and Distance 2-48 Limitations 2-52...

  • Page 28: Chapter 2. Hardware (66/110-Type)

    CHAPTER 2. HARDWARE (66/110-Type) General Figure 2-1 shows the equipment required to install a System 75 or 75 XE switch. This chapter describes the hardware (66- and 110-Type) used in the installation process. Ordering information is provided for the required hardware.
  • Page 29 CHAPTER 2. HARDWARE (66/110-Type) Figure 2-1. Block Diagram of System 75 or 75 XE Installation...

  • Page 30: 110-Type Hardware Description

    110-Type Hardware Description 110-Type Hardware Description The 110-type hardware consists of connectorized or field-terminated terminal blocks in 100-, 300-, and 900-pair sizes. The 110-type terminal blocks consist of the following parts: 110-type wiring blocks Index strips 3-, 4-, and 5-pair connecting blocks. 110-Type Wiring Blocks The 110-type wiring block (Figure 2-2) is a plastic wiring block equipped with permanently attached index strips.

  • Page 31: Index Strips And Connecting Blocks

    CHAPTER 2. HARDWARE (66/110-Type) Index Strips and Connecting Blocks The index strips (Figure 2-3) are slotted rows that provide space to terminate 25-pair cables. The wires are placed in the slots in the index strip. The standard termination for a 25-pair cable is shown in Table 2-A. CABLE IS TERMINATED IN 25-PAIR 110-TYPE WIRING...

  • Page 32: Table 2-A. 25-Pair Cable Termination On A 110-Type Wiring Block/66-Type Connecting Block

    110-Type Hardware Description Table 2-A. 25-Pair Cable Termination on a 110-Type Wiring Block/66-Type Connecting Block 25-Pair Cable 110-Type 66-Type Wiring/Conn Connector Block Pair Color Terminals Numbers W-BL BL-W W-BR BR-W R-BL BL-R R-BR BR-R...
  • Page 33 CHAPTER 2. HARDWARE (66/110-Type) Table 2-A. 25-Pair Cable Termination on a 110-Type Wiring Block/66-Type Connecting Block (Contd) 25-Pair Cable 110-Type 66-Type Wiring/Conn Connector Block Color Pair Terminals Numbers BK-BL BL-BK BK-O O-BK BK-G G-BK BK-BR BR-BK BK-S S-BK Y-BL BL-Y Y-BR BR-Y...

  • Page 34: 110A-Type Hardware

    110-Type Hardware Description Table 2-A. 25-Pair Cable Termination on a 110-Type Wiring Block/66-Type Connecting Block (Contd) 25-Pair Cable 110-Type 66-Type Wiring/Conn Connector Block Pair Color Terminals Numbers V-BL BL-V V-BR BR-V The 110-type hardware consists of 110A- and 110P-type hardware. The 110P-type hardware uses patch cords to make cross-connections.
  • Page 35 CHAPTER 2. HARDWARE (66/110-Type) Figure 2-4. 110A-Type 100-Pair Terminal Block...
  • Page 36 110-Type Hardware Description Figure 2-5. 110A-Type 300-Pair Terminal Block...
  • Page 37 CHAPTER 2. HARDWARE (66/110-Type) The 110A-type hardware can be used for the trunk/auxiliary field and all distribution fields (port, auxiliary, and station). The following 110A-type hardware is available. 110AE1-75FT terminal block—A kit of parts for field termination of cables on a 100-pair wiring block (110AW1-100). It provides space to terminate 8 three-pair and 12 four-pair circuits.

  • Page 38: 110P-Type Hardware

    110-Type Hardware Description 110A-TYPE HARDWARE ORDERING INFORMATION Description C o m c o d e 110AE1-75FT Terminal Block 104 049 093 110AB1-100FT Terminal Block 103 823 845 110AC1-100FT Terminal Block 103 826 780 110AB1-300FT Terminal Block 104 049 051 110AC1-300FT Terminal Block 104 049 069 110AC1-300STF/6 Terminal Block 104 049 077...
  • Page 39 CHAPTER 2. HARDWARE (66/110-Type) 25-PAIR 25-PAIR CONNECTOR CONNECTOR NUMBER 12 NUMBER 1 25-PAIR INDEX STRIPS LABELS 110-TYPE 100-PAIR WIRING BLOCK INDEX STRIPS 1-4 INDEX STRIPS 5-8 HORIZONTAL WIRE TROUGH INDEX STRIPS 9-12 Figure 2-6. 110P-Type Terminal Block—300-Pair Connectorized 2-12...
  • Page 40 110-Type Hardware Description 25-PAIR CONNECTOR 25-PAIR NUMBER 12 CONNECTOR NUMBER 1 25-PAIR 25-PAIR CONNECTOR CONNECTOR NUMBER 36 NUMBER 25 INDEX STRIPS INDEX STRIPS 25-PAIR INDEX STRIPS INDEX LABELS STRIPS 110-TYPE 100-PAIR 9-12 WIRING BLOCK INDEX STRIPS 13-16 INDEX STRIPS 17-20 INDEX STRIPS 21-24...
  • Page 41 CHAPTER 2. HARDWARE (66/110-Type) 25-PAIR INDEX STRIPS LABELS INDEX 110-TYPE 100-PAIR STRIPS WIRING BLOCK INDEX STRIPS INDEX STRIPS 9-12 INDEX STRIPS 13-16 HORIZONTAL WIRE TROUGH INDEX STRIPS 17-20 INDEX STRIPS 21-24 INDEX STRIPS 25-28 INDEX STRIPS 29-32 INDEX STRIPS 33-36 36 CONNECTORS Figure 2-8.
  • Page 42 110-Type Hardware Description The 110P-type hardware can be used for the trunk/auxiliary field and all distribution fields (port, auxiliary, and station). The following 110P-type hardware is available. 110PB1-300CT terminal block—A factory-assembled 300-pair connectorized terminal block that provides space to terminate 72 four-pair circuits.
  • Page 43 CHAPTER 2. HARDWARE (66/110-Type) 110PE1-300FT terminal block—A kit of parts for field termination of cables on a 300-pair terminal block. It provides space to terminate 32 three-pair and 48 four-pair circuits. 110PB1-900CB terminal block—A factory-assembled, 900-pair, connectorized, terminal block that provides space to terminate 216 4-pair circuits.
  • Page 44 110-Type Hardware Description 110PE1-900CT/FT terminal block—A partially factory-assembled 900-pair terminal block that provides termination space for 96 three-pair and 144 four-pair circuits. Twelve, 25-pair, female, miniature, ribbon connectors are mounted at the top of the terminal block. The connectors are terminated on the 3-pair wiring blocks in a continuous numerical order.

  • Page 45: 188-Type Backboards

    CHAPTER 2. HARDWARE (66/110-Type) 188-Type Backboards The 188-type backboards are wire troughs that channel the patch cords or cross-connecting wire between the wiring blocks. The backboards consist of a metal frame equipped with retaining rings. They are available in four types: The 188B1 backboard is a horizontal wire trough that is used with 110A-type terminal blocks.
  • Page 46 110-Type Hardware Description PLUGS Figure 2-9. 3-Pair Patch Cord Used With 110-Type Hardware 110-TYPE PATCH CORD ORDERING INFORMATION Description Length Cord Comcode Comcode (1 per package) (10 per package) F-61679-2 1-Pair 2 ft 103 991 873 Not Available F-61679-3 1-Pair 3 ft 103 991 881 Not Available...
  • Page 47 CHAPTER 2. HARDWARE (66/110-Type) F-61789 Power Adapter Cords The F-61789 power adapter cord (Figure 2-10) is used at the equipment room or satellite closet cross-connect field to connect an adjunct power supply to a 4-pair connecting block that is mounted on a 110-type wiring block.

  • Page 48: Jumpers

    110-Type Hardware Description Test Cords The D test cord provides test access to one pair of wires without removing any jumpers. D TEST CORD ORDERING INFORMATION Comcode Length Cord 402 023 949 D Test Cord 4 ft 402 023 956 D Test Cord 8 ft Jumpers...

  • Page 49: F Clip Terminal Insulator

    CHAPTER 2. HARDWARE (66/110-Type) 110-TYPE TOOLS ORDERING INFORMATION Description Comcode 402 024 723 D Impact Tool 102 648 839 788J1 Impact Tool 788K1 Conductor Retention Tool 102 655 495 F Clip Terminal Insulator The F clip terminal insulator (AT-8660F) is used to identify special circuits.

  • Page 50: 66-Type Hardware Description

    66-Type Hardware Description CLEAR PLASTIC DESIGNATION STRIP Figure 2-11. Designation Strip 66-Type Hardware Description The 66-type hardware consists of non-connectorized or connectorized connecting blocks. The connecting blocks can be mounted individually or in multiple arrangements. All 66-type hardware uses the same basic connecting block, a 66M1-50.

  • Page 51: Connectorized 66-Type Connecting Blocks

    CHAPTER 2. HARDWARE (66/110-Type) the wall or on a backboard. These connecting blocks are used in the equipment room for the distribution field. Figure 2-12. 66M1-50 Connecting Block Connectorized 66-Type Connecting Blocks The connectorized version of the 66-type connecting block is the 157B (Figure 2-13) connecting block.

  • Page 52: Multiple-Mounted 66-Type Connecting Blocks

    66-Type Hardware Description connecting block. Each 157B connecting block can terminate two 25-pair cables. It can be mounted directly on the wall or on a backboard. These connecting blocks are used in the equipment room for the trunk/auxiliary and distribution fields. Figure 2-13.

  • Page 53: 183-Type Backboards

    CHAPTER 2. HARDWARE (66/110-Type) The 154A-type backboard consists of four 157B connecting blocks factory-mounted on a blue backboard. This multiple arrangement provides space to terminate eight 25-pair cables. The 154A-type mounting is used in the equipment room in the distribution field. 66-TYPE CONNECTING BLOCKS ORDERING INFORMATION Description Comcode...
  • Page 54 66-Type Hardware Description Figure 2-14. 183A-Type Backboard 183-TYPE BACKBOARD ORDERING INFORMATION Comcode Mounts Color Code (4) 66M1-50 101 412 963 183A1 Blue Conn Blocks (4) 66M1-50 101 412 971 183A2 Green Conn Blocks (4) 66M1-50 101 937 902 183A4 Purple Conn Blocks (4) 66M1-50 101 986 446...

  • Page 55: 187B1 Backboard

    CHAPTER 2. HARDWARE (66/110-Type) 187B1 Backboard The 187B1 backboard (Figure 2-15) provides 16 pegs that are used to dress the cross-connecting wire between connecting blocks. The 187B1 backboards can be used with any arrangement of 66-type connecting blocks. Figure 2-15. 187B1 Backboard 187B1 BACKBOARD ORDERING INFORMATION Comcode Description...

  • Page 56: Jumpers

    66-Type Hardware Description MODULAR PLUG Figure 2-16. Power Adapter Cord POWER ADAPTER CORD ORDERING INFORMATION Comcode Length 103 935 623 10 ft 103 895 660 25 ft Jumpers Solid wire jumpers are used for cross-connections between terminals on the connecting blocks. The jumpers are punched down on the connecting blocks with a termination tool.

  • Page 57: Tools

    CHAPTER 2. HARDWARE (66/110-Type) Tools The following tools are used to terminate or remove the wire on the connecting blocks: The 714B tool is a nonimpact single-wire termination tool The D impact tool (AT-8762) is a single-wire impact termination tool The 724A tool is used to remove wires from the connecting blocks.

  • Page 58: Associated Hardware

    Associated Hardware Associated Hardware Cable Slack Managers General The cable slack managers (Figure 2-17) are raised floor units that are used for cable distribution and cable slack storage between the switch cabinets and the cross-connect field. They can also accommodate a limited amount of slack in station cables.
  • Page 59 CHAPTER 2. HARDWARE (66/110-Type) Z814A COVER Z814A COVER Z8A1 BASE Z6A RETAINER Z113A HOUSING Z814A COVER Z815A COVER Z8A1 BASE Z114A HOUSING Figure 2-17. Cable Slack Managers 2-32...
  • Page 60 Associated Hardware Z113A Housing The Z113A housing is used between the wall and equipment cabinets (switch, AP, auxiliary, etc.). It consists of: (1) Z8A1 base (2) Z814A covers (25) Z6A retainers. Z114A Housing The Z114A housing is designed to be used adjacent to the Z113A housing if no equipment cabinet exists at the position or if the cabinet(s) is positioned against the wall with the cross-connect field beside the cabinet(s).

  • Page 61: Network Interfaces

    CHAPTER 2. HARDWARE (66/110-Type) Network Interfaces RJ21X Network Interface The RJ21X network interface is the connection point between the local telephone company lines (1-pair trunks) and the switch. The interface is supplied and installed by the local telephone company. See Table 3-G for network interface pin assignments on CO and DID trunk circuit packs.
  • Page 62 Associated Hardware Note: Sneak current protectors with a rating of 350 ma at 600V must be UL rated for domestic installation and CSA certified for Canadian installation. SNEAK FUSE PANEL ORDERING INFORMATION Description Comcode 157B Connecting Block 403 613 003 SCP-1 Protector* 403 617 632 575-4 Sneak Current Fuse Panel...
  • Page 63 CHAPTER 2. HARDWARE (66/110-Type) FUSE MODULE 25-PAIR MALE CONNECTOR 25-PAIR FEMALE CONNECTOR Figure 2-18. Model 575-4 Sneak Fuse Panel 2-36...

  • Page 64: Emergency Transfer Units

    Associated Hardware Emergency Transfer Units General The emergency transfer units used with the 66-type/110-type hardware are the Z1A emergency transfer unit and the 574-5 power transfer unit. The units mount on the plywood backboard to the left of the trunk/auxiliary field. Z1A Emergency Transfer Unit The Z1A emergency transfer unit provides emergency transfer connections for six telephones.
  • Page 65 CHAPTER 2. HARDWARE (66/110-Type) MFG. BY PORTA SYSTEMS TRUNK LINE MODEL 574-5 PAT PENDING Figure 2-19. Model 574-5 Power Transfer Unit 2-38...

  • Page 66: Trunk Concentrator Cables

    Associated Hardware Trunk Concentrator Cables Trunk concentrator cables are used for the following purposes: To match 1-pair local telephone company trunks to 3-pair switch circuits at the cross-connect field. To match 1-pair local telephone company trunks provided for off-premises lines to 3-pair switch circuits at the cross-connect field.
  • Page 67 CHAPTER 2. HARDWARE (66/110-Type) CONNECTS CONNECTS TO 110 TO SWITCH TERMINAL CABINET BLOCK CONNECTOR CONNECTOR "O" L I S T 1 C A B L E CONNECTS CONNECTS TO 110 TO SWITCH TERMINAL CABINET BLOCK CONNECTOR CONNECTOR "O" L I S T 3 C A B L E LEGEND: M = 25-PAIR MALE CONNECTOR F = 25-PAIR FEMALE CONNECTOR...

  • Page 68: Table 2-B. Wp-90929, List 1 And List 2, Cable Assembly Wiring

    Associated Hardware Table 2-B. WP-90929, List 1 and List 2, Cable Assembly Wiring Conn. 0 Conn. 0 Cable Cable Cable Cable Cable Cable No. 3 No. 2 Numbers No. 1 No. 3 No. 2 No. 1 BL-W W-BL BR-W W-BR G-BK BK-G BL-Y...
  • Page 69 CHAPTER 2. HARDWARE (66/110-Type) WP-90929, List 2, Cable Assembly (For 66-type Hardware Only) The WP-90929, List 2, cable assembly (Figure 2-21 and Table 2-B) provides a way to connect local telephone company trunks to the switch. It can also be used to connect off-premises analog trunks between the port field and trunk field at the equipment room cross-connect field.
  • Page 70 Associated Hardware CONNECTS CONNECTS TO 66-TYPE TO SWITCH CONNECTING CABINET BLOCK CONNECTOR "O" L I S T 2 C A B L E CONNECTS CONNECTS TO 66-TYPE TO SWITCH CONNECTING CABINET BLOCK CONNECTOR "O" L I S T 4 C A B L E LEGEND: M = 25-PAIR MALE CONNECTOR F = 25-PAIR FEMALE CONNECTOR...

  • Page 71: Table 2-C. Wp-90929, List 3 And List 4, Cable Assembly Wiring

    CHAPTER 2. HARDWARE (66/110-Type) Table 2-C. WP-90929, List 3 and List 4, Cable Assembly Wiring Conn. 0 Conn. 0 Cable Cable Cable Cable No. 2 Numbers No. 1 No. 1 No. 2 N o . BL-W W-BL BR-W W-BR BL-R R-BL BR-R R-BR...

  • Page 72: 16-Port Analog Line Circuit Pack Adapter Cable (For 110-Type Hardware Only)

    Associated Hardware WP-90929, List 4, Cable Assembly (For 66-type Hardware Only) The WP-90929, List 4, cable assembly (Figure 2-21 and Table 2-C) provides a way to connect tie-trunk circuits to the switch. The 2-fingered end of the cable assembly is equipped with male-type ribbon connectors. The other end of the cable assembly is equipped with a female-type ribbon connector.

  • Page 73: 4-Port Met Line Circuit Pack Concentrator Cable

    CHAPTER 2. HARDWARE (66/110-Type) CONNECTS TO 16-PORT CONNECTS ANALOG TO CROSS- LINE CONNECT CIRCUIT FIELD PACK (NOTE) LEGEND: M = 25-PAIR MALE CONNECTOR F = 25-PAIR FEMALE CONNECTOR NOTE: AN A25D CABLE MUST BE USED BETWEEN THE ADAPTER CABLE AND THE 110-TYPE TERMINAL BLOCK.

  • Page 74: Adjunct Power Units

    Adjunct Power Units Adjunct Power Units General There are two types of power supplies used for adjunct powering, individual and bulk. The power supplies are specified by the Field Services Organization (FSO) for firm quote price lists. For all other quotes, the power supplies are specified by the PSC.

  • Page 75: Table 2-D. Individual Power Supply Adjunct And Distance Limitations

    CHAPTER 2. HARDWARE (66/110-Type) Table 2-D. Individual Power Supply Adjunct and Distance Limitations Wire Distance Power Unit Adjunct Limits Gauge Feet 2012D with One speakerphone 248B Adapter or headset only (18-volt ac) KS-22911, L1 One digital module plus (48-volt dc) speakerphone or headset One digital module plus speakerphone or headset...
  • Page 76 Adjunct Power Units AC POWER STRIP (NOTE) OUTLET SPACING 3.5 TO 4 INCHES NOTE: THIS AC POWER STRIP MUST BE LOCALLY PROVIDED. Figure 2-24. AC Power Strip Bulk Power Supply The 346 modular bulk power supply consists of a 346A1 power panel and up to three 346A power units (Figure 2-25).
  • Page 77 CHAPTER 2. HARDWARE (66/110-Type) POWER JACKS 346A1 POWER SLIDE PANEL SWITCH AC LINE WIRE CORD TROUGH 346A POWER UNIT Figure 2-25. 346 Modular Bulk Power Supply 2-50...
  • Page 78 Adjunct Power Units 346A1 POWER PANEL CIRCUIT BREAKER "L" FOR LEFT–MOUNTED 346A POWER UNIT CIRCUIT BREAKER "C" FOR CENTER–MOUNTED 346A POWER UNIT CIRCUIT BREAKER "R" FOR RIGHT–MOUNTED 346A POWER UNIT LEFT SIDE Figure 2-26. 346A1 Power Panel Circuit Breaker Locations A 5-foot line cord provides ac power to the 346A1 power panel.

  • Page 79: Table 2-E. 346A Power Unit Adjunct And Distance Limitations

    CHAPTER 2. HARDWARE (66/110-Type) Table 2-E. 346A Power Unit Adjunct and Distance Limitations Slide Switch Adjuncts Powered Wire Distance Position (Maximum per Unit) Gauge Feet Down (10 w) Any four voice terminals equipped with one speakerphone or one headset Any four digital voice terminals equipped with one digital module and a speakerphone or headset each...

  • Page 80: Chapter 3. Equipment Room Design

    CHAPTER 3. EQUIPMENT ROOM DESIGN General Hardware Equipment Room Applications Trunk/Auxiliary Field Trunk/Auxiliary Field (110-Type Hardware Only) Distribution Field Distribution Field (110-Type Hardware Only) 3-11 Distribution Field (66-Type Hardware Only) Typical System Equipment Room Floor Plans 3-13 3-13 General 3-13 Typical Floor Plans 3-16 Typical Cross-Connect Field Using 110-Type Hardware...
  • Page 81 3-77 Connecting Control Carrier Outputs Cable Installing Trunk Cables Between Network Interface, Sneak 3-77 Fuse Panel, and Switch Cabinet Connecting Trunk Pairs to the Switch Cabinet Using 3-81 Concentrator Cables Connecting Trunk Pairs to the Switch Cabinet Using Jumper 3-83 Wires To Establish 3-Pair Modularity 3-86 Installing Coupled Bonding Conductor (CBC) Grounding...
  • Page 82 Typical 2-Carrier Cabinet System 75 or 2-Cabinet Figure 3-8. 3-14 System 75 XE Floor Plan Figure 3-9. Typical 5-Carrier Cabinet System 75 or 3- or 4-Cabinet System 75 XE Floor Plan 3-15 Figure 3-10. Typical Cross-Connect Field Installation—110A-Type Terminal Blocks...
  • Page 83 (AUXILIARY) Labels for 110-Type Terminal Blocks—System 75 3-37 Figure 3-23. Auxiliary Circuit and Control Carrier Outputs (AUXILIARY) Labels for 110-Type Terminal Blocks—System 75 XE 3-38 Figure 3-24. Z1A Emergency Transfer Unit and Control Carrier Outputs (AUXILIARY) Label for 110-Type Terminal Blocks—System 75 3-39 Figure 3-25.

  • Page 84: General

    CHAPTER 3. EQUIPMENT ROOM DESIGN CHAPTER 3. EQUIPMENT ROOM DESIGN General The System 75—System Description (555-200-200) or System 75 XE—System Description (555-201-200) provides equipment room specifications for temperature, humidity, air purity, lighting levels, and grounding. They also provide information on the floor and wall space required for the switch and the associated peripheral equipment that is to be installed in the equipment room.
  • Page 85 CHAPTER 3. EQUIPMENT ROOM DESIGN Initialization and Administration System (INADS) trunk. This field is also used for emergency transfer wiring, applications processor (AP) alarms, paging equipment, music sources, etc. Trunk/Auxiliary Field (110-Type Hardware Only) Figure 3-1 shows two typical 300-pair terminal block configurations of 110-type hardware arranged for use in the trunk/auxiliary field.
  • Page 86 Hardware Equipment Room Applications 110AC1-300STF/6 which has six stub cables that exit from the top of the terminal block. Each cable stub is 6-feet long and equipped with a 50-pin female connector. 110PC1-300CT which has six stub cables that exit from the top of the terminal block.

  • Page 87: Distribution Field

    CHAPTER 3. EQUIPMENT ROOM DESIGN 110PC1-900CT which is equipped with 36 female 50-pin connectors. The connectors are mounted at the top of the terminal block. This can be used if cable routing from the top is desirable. Distribution Field The distribution field contains four distinct cross-connect areas: The purple field (port field) terminates 25-pair cables from the switch.
  • Page 88 Hardware Equipment Room Applications Distribution Field (110-Type Hardware Only) Figure 3-3 shows a typical 300-pair terminal block configuration of 110-type hardware arranged for use in the distribution field. One 300-pair terminal block will terminate 192 three-pair port circuits (purple field), and either 192 three-pair station circuits (white or blue field) or 144 four-pair station circuits (blue field).
  • Page 89 CHAPTER 3. EQUIPMENT ROOM DESIGN and either 384 three-pair station circuits (white or blue field) or 288 four-pair station circuits (blue field). 188D2 188D2 BACKBOARD BACKBOARD FILL BLUE OR WHITE PURPLE BLUE OR WHITE CAPACITY WHITE FIELD = 384 3-PAIR CIRCUITS CAPACITY BLUE FILED = 4-PAIR CIRCUITS OR 384 3-PAIR CIRCUITS...
  • Page 90 Hardware Equipment Room Applications 188C2 BACKBOARD FILL BLUE OR WHITE PURPLE CAPACITY WHITE FIELD = 576 3-PAIR CIRCUITS 432 4-PAIR CIRCUITS OR CAPACITY BLUE FIELD = 576 3-PAIR CIRCUITS CAPACITY PURPLE FIELD = 576 3-PAIR CIRCUITS Figure 3-5. Distribution Field Arrangement of 110-Type Hardware—Four 900-Pair Terminal Blocks Figure 3-6 shows a typical 900-pair terminal block configuration of 110-type hardware arranged for use in the distribution field.
  • Page 91 CHAPTER 3. EQUIPMENT ROOM DESIGN 188C2 188C2 BACKBOARD BACKBOARD FILL BLUE OR WHITE BLUE OR WHITE PURPLE CAPACITY WHITE FIELD = 1152 3-PAIR CIRCUITS CAPACITY BLUE FIELD = 864 4-PAIR CIRCUITS OR 1152 3-PAIR CIRCUITS CAPACITY PURPLE FIELD = 1152 3-PAIR CIRCUITS Figure 3-6.
  • Page 92 Hardware Equipment Room Applications The 110AB1-100FT is a 100-pair terminal block (110AW1-100) for use when the wiring is to be field terminated. It provides termination space for twenty-four 4-pair circuits. The 110AB1-300FT is a 300-pair terminal block (110AW1-100) for use when the wiring is to be field terminated. It provides termination space for seventy-two 4-pair circuits.
  • Page 93 CHAPTER 3. EQUIPMENT ROOM DESIGN d . The 110PC1-300FT is a 300-pair terminal block (110DW1-100) for use when the wiring is to be field terminated. It provides termination space for ninety-six 3-pair circuits. Table 3-B. Distribution Field—300-Pair 110P-Type Terminal Blocks 4-Pair Station Field 3-Pair Port Field 3-Pair Station Field...
  • Page 94 Hardware Equipment Room Applications Table 3-C. Distribution Field—900-Pair 110P-Type Terminal Blocks 4-Pair Station Field 3-Pair Station Field 3-Pair Port Field (Blue) (Blue or White) (Purple) 110PB1-900CB 110PC1-900CB 110PC1-900CB 110PB1-900CT 110PC1-900CT 110PC1-900CT 110PC1-900FT 110PB1-900FT Distribution Field (66-Type Hardware Only) Figure 3-7 shows a typical cross-connect field using 66-type hardware. It is possible that only a few 66-type connecting blocks will be required in the trunk/auxiliary field for the green and yellow fields.
  • Page 95 CHAPTER 3. EQUIPMENT ROOM DESIGN TRUNK/AUXILIARY FIELD STATION DISTRIBUTION FIELD 187B1 BACKBOARDS PORT DISTRIBUTION FIELD Figure 3-7. Typical Cross-Connect Field Arrangement Using 66- Type Hardware The 66-type connecting blocks can be mounted directly onto the wall without using colored backboards. If this is the case, all of the cross-connect field functional colors should be identified on the wall.

  • Page 96: Typical System Equipment Room Floor Plans

    Size of the switch. Typical Floor Plans Figure 3-8 is a typical floor plan for a 2-carrier System 75 or a 2-cabinet System 75 XE. Figure 3-9 is a typical floor plan for a 5-carrier System 75 or a 3- or 4-cabinet System 75 XE. The maximum capacity for a 2-carrier cabinet is 200 stations and the maximum capacity for a 5-carrier cabinet is 800 stations.
  • Page 97 ALLOW AT LEAST 36 INCHES OF SPACE IN FRONT AND 6 INCHES ON THE RIGHTOF THE CABINET TO PERMIT THE DOOR TO SWING OPEN. CABINET IS LOCATED ALONGSIDE THE CROSS-CONNECT FIELD WHEN CABLE SLACK MANAGER IS NOT USED. Figure 3-8. Typical 2-Carrier Cabinet System 75 or 2-Cabinet System 75 XE Floor Plan 3-14...
  • Page 98 Typical System Equipment Room Floor Plans 3-15...
  • Page 99 CHAPTER 3. EQUIPMENT ROOM DESIGN Typical Cross-Connect Field Using 110-Type Hardware The cross-connect field is located directly behind the switch cabinet. Figure 3-10 shows a typical cross-connect field installation using 110A-type terminal blocks. Figure 3-11 shows a typical cross-connect field installation using 300-pair 110P-type terminal blocks, and Figure 3-12 shows a typical cross-connect field using 900-pair 110P-type terminal blocks.
  • Page 100 Typical System Equipment Room Floor Plans D RING STATION CABLES STATION CABLES STATION CABLES TRUNK/ AUXILIARY STATION FIELD CABLES PORT STATION DISTRIBUTION DISTRIBUTION FIELD FIELD Z114A CABLE SLACK MANAGER Z113A CABLE 25-PAIR CABLE SWITCH SLACK MANAGER TO SWITCH CABINET CABINET Figure 3-10.
  • Page 101 CHAPTER 3. EQUIPMENT ROOM DESIGN D RING STATION CABLES TRUNK/ AUXILIARY FIELD PORT DISTRIBUTION STATION FIELD DISTRIBUTION FIELD Z114A CABLE SLACK MANAGER Z113A CABLE 25-PAIR CABLE SWITCH SLACK MANAGER TO SWITCH CABINET CABINET Figure 3-11. Typical Cross-Connect Field Installation—300-Pair 110P-Type Terminal Blocks (Approximately 288 4-Pair or 384 3-Pair Station Capacity Illustrated) 3-18...
  • Page 102 Typical System Equipment Room Floor Plans TRUNK/AUXILIARY FIELD D RING PORT DISTRIBUTION FIELD STATION DISTRIBUTION FIELD STATION CABLES Z114A CABLE SLACK Z113A CABLE MANAGER 25-PAIR CABLE SWITCH SLACK MANAGER TO SWITCH CABINET CABINET Figure 3-12. Typical Cross-Connect Field lnstallation—900-Pair 110P-Type Terminal Blocks (Approximately 432 4-Pair or 576 3-Pair Station Capacity Illustrated) 3-19...

  • Page 103: Wall Space Requirements

    CHAPTER 3. EQUIPMENT ROOM DESIGN Typical Cross-Connect Field Using 66-Type Hardware Figure 3-13 shows a typical cross-connect field installation using 66-type connecting blocks. D RING STATION CABLES STATION CABLES STATION CABLES TRUNK/ AUXILIARY STATION FIELD CABLES PORT DISTRIBUTION STATION FIELD DISTRIBUTION FIELD Z114A...

  • Page 104: Equipment Requirements

    Typical System Equipment Room Floor Plans Wall Space Requirements for 110-Type Hardware The trunk/auxiliary field and the distribution field are mounted on the same wall. Each 110P-type terminal block is 8-1/2 inches wide. Vertical patch cord troughs are 5-5/16 inches wide and horizontal patch cord troughs are 23 inches wide.
  • Page 105 CHAPTER 3. EQUIPMENT ROOM DESIGN rounded up (for example: 2.4 = 2 cable slack managers and 2.5 = 3 cable slack managers required). 110-Type Hardware and Patch Cord Requirements Table 3-D lists the amount of 110-type hardware required to provide 1-, 2-, 3-, or 4-pair distribution for the station wiring.
  • Page 106 Typical System Equipment Room Floor Plans Table 3-E shows an algorithm for patch cord requirements based on the line capacity of the switch. Table 3-E. 110 Patch Cord Requirements Percent of Line Patch Cord Line Size Size Required Length 10.0% 2 Feet 16.5% 3 Feet...
  • Page 107 CHAPTER 3. EQUIPMENT ROOM DESIGN 66-Type Hardware Requirements Table 3-F lists the amount of 66-type hardware required to provide 1-, 2-, 3-, or 4-pair distribution for station wiring. Each 66-type connecting block can terminate 25-pairs. The quantity of blocks required per switch depends on the number of pairs required per station.

  • Page 108: Equipment Room Hardware And Cabling Installation

    Equipment Room Hardware And Cabling Installation Equipment Room Hardware And Cabling Installation Hardware Installation The procedures, provided in this guide, for installing hardware are written so that one system technician can do the installation. Procedures are provided for installing the following: Cross-connect field Cable slack managers Labels for cross-connect field...
  • Page 109 CHAPTER 3. EQUIPMENT ROOM DESIGN 48 INCHES AC POWER STRIP HORIZONTAL LINE 80-1/2 INCHES 5-5/16 INCHES 7-11/16 INCHES 7/8 INCH 47-1/2 INCHES FLOOR LINE Figure 3-14. Mounting 300-Pair 110P-Type Terminal Blocks (Approximately 288 4-Pair or 384 3-Pair Station Capacity Illustrated) To mount the first trunk/auxiliary field terminal block, partially install two 3/4-inch No.
  • Page 110 Equipment Room Hardware And Cabling Installation 49 INCHES AC POWER HORIZONTAL STRIP LINE 96 INCHES 7-11/16 INCHES HORIZONTAL LINE 47-1/2 INCHES 23 INCHES 5-5/16 INCHES 7-11/16 INCHES 7/8 INCH FLOOR LINE Figure 3-15. Mounting 900-Pair 110P-Type Terminal Blocks (Approximately 432 4-Pair or 576 3-Pair Station Capacity Illustrated) of the previous screw.
  • Page 111 CHAPTER 3. EQUIPMENT ROOM DESIGN mounting screw 7-11/16 inches to the right of the screw just installed. Repeat Steps 3, 4, and 5. If a horizontal patch cord trough is to be installed, install it, on the line, between the trunk/auxiliary field and the distribution field. To install the first distribution field terminal block, partially install two 3/4-inch, No.
  • Page 112 Equipment Room Hardware And Cabling Installation NO. 1110C1 APPARATUS MOUNTING NO. 111OA2 APPARATUS MOUNTING 88.50" 76.00" 43.50" Figure 3-16. 1110A2 and 1110C1 Apparatus Mountings 3-29...
  • Page 113 CHAPTER 3. EQUIPMENT ROOM DESIGN APPARATUS MOUNTING FRAME ORDERING INFORMATION Description Comcode Code Number Apparatus Mounting Frame 104 032 495 1110A2 104 175 120 1110C1 Cable Support Assembly 104 176 268 1110A1 End Dress Panel Top Dress Panel 104 176 276 2110A1 104 176 284 Bottom Dress Panel...
  • Page 114 Equipment Room Hardware And Cabling Installation AC POWER STRIP 78 1/2 INCHES 12 INCHES FLOOR LINE Figure 3-17. Cross-Connect Field Installation, 66-Type Connecting Blocks Place bottom of the first backboard/connecting block on the line and align it vertically with the left side of the switch cabinet. Mark the mounting holes.

  • Page 115: Installing Cable Slack Managers

    CHAPTER 3. EQUIPMENT ROOM DESIGN Repeat Steps 2, 3 and 4 until each backboard or connecting block has been installed. Note: The 66-type connecting blocks should not be installed more than 78-1/2 inches above the floor. Installing Cable Slack Managers To install the cable slack managers (Figure 2-17), proceed as follows: Place the Z113A cable slack manager against the wall under the cross-connect field (Figure 3-9), aligning the left side of the cable...
  • Page 116 Equipment Room Hardware And Cabling Installation Blue—Leads to information outlets White—Leads from the cross-connect field to the satellite locations (3-pair). Designations 1, 2, 3 . . . n Cabinet A, B, C, D, E Carrier Slot 1 , 2 , 3 . . . 2 0 1 , 2 , 3 .
  • Page 117 CHAPTER 3. EQUIPMENT ROOM DESIGN between the 110-type terminal block rows. Label code number 220A (comcode 103 970 000) contains all of the 110-type labels. CLEAR PLASTIC DESIGNATION STRIP Figure 3-19. Clear Plastic Designation Strip CO Trunk Labels (Green) The labels shown in Figure 3-20 identify the network interface leads for trunk circuits.
  • Page 118 Equipment Room Hardware And Cabling Installation GREEN USAGE: IDENTIFIES NETWORK INTERFACE TRUNK PAIRS. CODE NO: 221A GREEN USAGE: CUSTOMER IDENTIFICATION OF NETWORK INTERFACE TRUNK PAIRS. CODE NO: 221A Figure 3-20. CO Trunk Labels for 110-Type Terminal Blocks Auxiliary Labels (Yellow) AUXILIARY PORT AND CIRCUIT LABELS The labels shown in Figure 3-21 identify auxiliary port and circuit appearances at the cross-connect field.
  • Page 119 AUXILIARY CIRCUIT AND CONTROL CARRIER OUTPUTS (AUXILIARY) LABELS The labels shown in Figures 3-22 and 3-23 identify auxiliary circuit appearances and the control carrier AUXILIARY connector outputs for System 75 and 75 XE, respectively. The top half of the labels identify 3-36...
  • Page 120 The bottom half of the labels identify the control carrier AUXILIARY connector outputs. USAGE: IDENTIFIES CONTROL CARRIER OUTPUTS (AUXILIARY) AND AUXILIARY CIRCUITS CODE NO: 222A Figure 3-22. Auxiliary Circuit and Control Carrier Outputs (AUXILIARY) Labels for 110-Type Terminal Blocks—System 75 3-37...
  • Page 121 The labels shown in Figures 3-24 and 3-25 identify the leads and connection point for –48 volt dc power to the Z1A emergency transfer unit and the control carrier AUXILIARY connector outputs for System 75 and 75 XE, respectively. The top half of the labels identify the Z1A emergency transfer unit and the bottom half of the labels identify the control carrier AUXILIARY connector outputs.
  • Page 122 Equipment Room Hardware And Cabling Installation USAGE: IDENTIFIES CONTROL CARRIER OUTPUTS (AUXILIARY) AND Z1A EMERGENCY TRANSFER UNIT CIRCUITS CODE NO: 222A Figure 3-24. Z1A Emergency Transfer Unit and Control Carrier Out- puts (AUXILIARY) Label for 110-Type Terminal Blocks—System 75 3-39...
  • Page 123 The labels shown in Figures 3-26 and 3-27 identify the leads to the 574-5 power transfer unit and the control carrier AUXILIARY connector outputs for System 75 and 75 XE, respectively. The top half of the labels identify the 574-5 power transfer unit and the bottom half of the labels identify the control carrier AUXILIARY connector outputs.
  • Page 124 Equipment Room Hardware And Cabling Installation USAGE: IDENTIFIES CONTROL CARRIER OUTPUTS (AUXILIARY) AND 574-5 EMERGENCY TRANSFER UNIT CIRCUITS CODE NO: 222A Figure 3-26. 574-5 Power Transfer Unit and Control Carrier Outputs (AUXILIARY) Labels for 110-Type Terminal Block—System 75 3-41...
  • Page 125 222A Figure 3-27. 574-5 Power Transfer Unit and Control Carrier Outputs (AUXILIARY) Labels for 110-Type Terminal Block—System 75 XE Z1A EMERGENCY TRANSFER UNIT LABELS The label shown in Figure 3-28 identifies the emergency transfer leads and the -48 volt dc power connection for the Z1A emergency transfer unit.
  • Page 126 Equipment Room Hardware And Cabling Installation CODE NO: 222A Figure 3-28. Z1A Emergency Transfer Unit Label 574-5 POWER TRANSFER UNIT LABEL Both sections of the label shown in Figure 3-29 identify leads to the 574-5 power transfer unit. CODE: 222A Figure 3-29.
  • Page 127 CHAPTER 3. EQUIPMENT ROOM DESIGN BLANK AUXILIARY LABEL The blank label shown in Figure 3-30 identifies auxiliary equipment and must be filled in manually. USAGE: CUSTOM IDENTIFICATION OF AUXILIARY EQUIPMENT CODE NO: 222A Figure 3-30. Blank Auxiliary Labels Label Code 222A—Yellow Labels (comcode 103 970 026) Lable code 222A contains the following labels: (4) AP SSI port labels (Figure 3-20) (4) 3-pair auxiliary circuit labels (Figure 3-21)
  • Page 128 Equipment Room Hardware And Cabling Installation Station Labels (White and Blue) 3-PAIR WHITE STATION LABELS The white labels shown in Figure 3-31 identify 3-pair station appearances at the cross-connect field that connect to a satellite location. The top labels are grouped and numbered in sequence, A 1 to A 160 through F 1 to F 160 to correspond to the satellite locations.
  • Page 129 CHAPTER 3. EQUIPMENT ROOM DESIGN WHITE A 10 A 11 A 12 A 13 A 14 A 15 A 16 USAGE: IDENTIFIES 3-PAIR CIRCUIT APPEARANCES THAT CONNECT TO A SATELLITE LOCATION. CODE NO: 223A WHITE USAGE: CUSTOM IDENTIFICATION OF 3-PAIR CIRCUIT APPEARANCES THAT CONNECT TO A SATELLITE LOCATION.
  • Page 130 Equipment Room Hardware And Cabling Installation Label Code 223A—White Labels (comcode 103 970 034) Label code 223A contains the following labels: (60) white labels that identify 3-pair circuits from the equipment room to the satellite closet (Figure 3-31). Each label identifies 16 three-pair station circuits.
  • Page 131 CHAPTER 3. EQUIPMENT ROOM DESIGN BLUE USAGE: IDENTIFIES 3-PAIR STATION APPEARANCES THAT CONNECT TO A 356A ADAPTER. LABELS ARE NUMBERED IN SEQUENCE FROM 1 TO 560. CODE NO: 224A BLUE USAGE: CUSTOMER IDENTIFICATION OF 3-PAIR STATION APPEARANCES THAT CONNECT TO A 356A ADAPTER.
  • Page 132 Equipment Room Hardware And Cabling Installation Label Code 224A—Blue Labels (comcode 103 970 042) Label code 224A contains the following labels: (35) blue labels (Figure 3-32) that identify 3-pair station circuits from the equipment room. Each label identifies sixteen 3-pair station circuits.
  • Page 133 CHAPTER 3. EQUIPMENT ROOM DESIGN BLUE USAGE: IDENTIFIES 4-PAIR STATION APPEARANCES. LABELS ARE NUMBERED IN SEQUENCE FROM 1 TO 480. CODE NO: 224A BLUE USAGE: CUSTOMER IDENTIFICATION OF 4-PAIR STATION APPEARANCES. CODE NO: 224A Figure 3-33. 4-Pair Blue Station Wiring (Equipment Room) Labels 3-50...
  • Page 134 Equipment Room Hardware And Cabling Installation BLUE USAGE: IDENTIFIES 4-PAIR STATION APPEARANCES AT THE SATELLITE LOCATION. CODE NO: 224A BLUE USAGE: CUSTOMER IDENTIFICATION OF 4-PAIR STATION APPEARANCES AT THE SATELLITE LOCATION. CODE NO: 224A Figure 3-34. 4-Pair Blue Station Wiring (Satellite Closet) Labels 3-51...
  • Page 135 CHAPTER 3. EQUIPMENT ROOM DESIGN Port Labels (Purple) PORT LABELS The labels shown in Figure 3-35 identify the equipped carrier slots (see Note) in the switch cabinet. These labels are grouped together (by carriers) starting with Carrier A. These labels are used for the trunk/auxiliary field, and the distribution field.
  • Page 136 Equipment Room Hardware And Cabling Installation PURPLE PURPLE USAGE: IDENTIFIES CABINET, CARRIER, PORT CIRCUIT SLOT NUMBERS, AND EIGHT PORT CIRCUITS. CODE NO: 225A PURPLE USAGE: CUSTOM IDENTIFICATION OF CABINET, CARRIER, PORT CIRCUIT SLOT NUMBERS, AND EIGHT PORT CIRCUITS. CODE NO: 225A Figure 3-35.
  • Page 137 CHAPTER 3. EQUIPMENT ROOM DESIGN PURPLE PURPLE Figure 3-36. Example of Port Label for MET Line Circuit Pack PURPLE Figure 3-37. Example of Port Label for 16-Port Analog Line Circuit Pack 3-54...
  • Page 138 Equipment Room Hardware And Cabling Installation SYSTEM TRUNK AND TIE TRUNK PORT LABELS WP-90929, List 1 or 3 concentrator cables can be used between the switch cabinet and the 110-type terminal blocks. The label shown in Figure 3-38 identifies 3-pair trunk circuits from the switch cabinet. The label shown in Figure 3-39 identifies 3-pair tie trunk circuits from the switch cabinet.
  • Page 139 CHAPTER 3. EQUIPMENT ROOM DESIGN PURPLE USAGE: IDENTIFIES TIE TRUNK CIRCUIT PORTS WHEN WP-90929, LIST 3 CONCENTRATOR CABLE IS USED CODE NO: 225A Figure 3-39. Switch Tie Trunk Port Circuit Labels DUAL-PURPOSE EMERGENCY TRANSFER STATION LABELS The label shown in Figure 3-40 identifies the telephone connections at the cross-connect field for both normal use and emergency transfer stations.
  • Page 140 Equipment Room Hardware And Cabling Installation PURPLE CODE NO: 225A Figure 3-40. Dual-Purpose Emergency Transfer Station Labels Label Code 225A—Purple Labels (comcode 103 970 059) Label code number 225A contains the following port labels: (45) purple labels (Figure 3-35) that identify 3-pair port circuits from the switch.
  • Page 141 CHAPTER 3. EQUIPMENT ROOM DESIGN (5) purple labels to identify connections to dual-purpose emergency transfer stations (Figure 3-40). Labeling 66-Type Connecting Blocks The cross-connect field is color-coded to identify system wiring as follows: Green—Leads to CO Purple—Leads to switch ports Yellow—Leads to auxiliary equipment and miscellaneous switch leads Blue—Leads to information outlets...
  • Page 142 Equipment Room Hardware And Cabling Installation LEFT SIDE OF 66-TYPE CONNECTING BLOCK Figure 3-41. Labeling 66-Type Connecting Blocks 3-59...
  • Page 143 CHAPTER 3. EQUIPMENT ROOM DESIGN 3-60...
  • Page 144 Equipment Room Hardware And Cabling Installation 3-61...
  • Page 145 CHAPTER 3. EQUIPMENT ROOM DESIGN Table 3-H. Auxiliary Lead Appearances at 66-Type Cross-Connect Field 574-5 System System 66-Type Power Emerg 75 XE Auxiliary 75 Auxiliary Conn Xfr Unit Xfr Unit Connector Connector Block Outputs Outputs Outputs Outputs Term Not Connected Not Connected Emergency Emergency...

  • Page 146: Installing Sneak Fuse Panels

    Equipment Room Hardware And Cabling Installation Table 3-H. Auxiliary Lead Appearances at 66-Type Cross-Connect Field (Contd) 574-5 System System 66-Type Emerg Power Conn 75 Auxiliary 75 XE Auxiliary Xfr Unit Xfr Unit Block Connector Connector Outputs Outputs Outputs Term Outputs Not Connected ACC Power Not Connected...

  • Page 147: Cable Installation

    CHAPTER 3. EQUIPMENT ROOM DESIGN Cable Installation Labels The purple port Iabel shown in Figure 3-42 installed on both ends of the 25-pair cables that connect to the trunk/auxiliary field and/or the distribution field. The blue/yellow building and floor labels are for cables that connect from the equipment room to a site/satellite location on another floor or in another building.
  • Page 148 Equipment Room Hardware And Cabling Installation CABLE/CONNECTOR/BUILDING LABEL ORDERING INFORMATION Description Qty. Per. Code Comcode 103 969 994 201A Labels 34 Sheets Figure 3-43 shows the proper way to install a label on a 25-pair cable connector (see Note). Note: The label should be installed near the rear of the connector as shown in Figure 3-43 so it will not be obscured by the switch cabinet connector retainers.
  • Page 149 CHAPTER 3. EQUIPMENT ROOM DESIGN Routing Cable Guidelines General The following guidelines should be followed when installing the equipment room cabling. FoIlowing these guidelines will maximize use of the cable slack managers and make future cabling additions and changes easier. Figures 3-44 and 3-45 show typical cable routing from the switch cabinet to the top and bottom of the cross-connect field, respectively.
  • Page 150 Equipment Room Hardware And Cabling Installation CROSSS-CONNECT FIELD TRUNK/AUXILIARY STATION DISTRIBUTION BUILDING CABLE SLACK CABLE SLACK CABLE SLACK CABLES MANAGER MANAGER MANAGER NO. 1 NO. 2 NO. 3 POWER CORD SYSTEM CABINET (FRONT) CABLES RUN FROM SWITCH CABINET TO TRUNK/AUXILIARY FIELD. CABLES RUN FROM SWITCH CABINET TO STATION DISTRIBUTION FIELD.
  • Page 151 CHAPTER 3. EQUIPMENT ROOM DESIGN CABLE CLAMP CABLE SLACK MANAGER SWITCH CABINET SPARE CENTER CABINET TROUGH TROUGHS FOR PORT CABLES Figure 3-46. Cable Routing Through Cable Slack Manager—Single- Cabinet Installation (Using Connectorized Top Terminal Blocks) 3-68...
  • Page 152 Equipment Room Hardware And Cabling Installation CABLE CLAMP CABLE SLACK MANAGER SWITCH CABINET SPARE CENTER CABINET TROUGH TROUGHS FOR PORT CABLES Figure 3-47. Cable Routing Through Cable Slack Manager—Single- Cabinet Installation (Using Connectorized Bottom Ter- minal Blocks) 3-69...
  • Page 153 CHAPTER 3. EQUIPMENT ROOM DESIGN Routing Cables Using 66-Type Connecting Blocks Figures 3-48 and 3-49 show the cable routing pattern through the cable slack manager for a single cabinet installation with the cables routed from the top and bottom of the 66-type connecting blocks, respectively. Cables are routed through the cable slack manager in either the cabinet or wall troughs.
  • Page 154 Equipment Room Hardware And Cabling Installation CABLE CLAMP CABLE SLACK MANAGER SWITCH CABINET SPARE CENTER CABINET TROUGH TROUGHS FOR PORT CABLES Figure 3-48. Cable Routing Through Cable Slack Manager—Single- Cabinet Installation (Using 66-Type Connecting Blocks With Cables Routed From Top of Cross-Connect Field) 3-71...
  • Page 155 CHAPTER 3. EQUIPMENT ROOM DESIGN CABLE CLAMP CABLE SLACK MANAGER SWITCH CABINET SPARE CENTER CABINET TROUGH TROUGHS FOR PORT CABLES Figure 3-49. Cable Routing Through Cable Slack Manager—Single- Cabinet Installation (Using 66-Type Connecting Blocks With Cables Routed From Bottom of Cross-Connect Field) 3-72...
  • Page 156 Equipment Room Hardware And Cabling Installation Routing Cables From Cabinet to Cross-Connect Field The following guidelines should be followed when routing cables from the cabinet to the cross-connect field. When cable routing is to the top/bottom of the cross-connect field, each port cable is connected at the cabinet and then routed along the front trough of the cable slack manager to the connecting/terminal block where the cable is to be terminated.
  • Page 157 CHAPTER 3. EQUIPMENT ROOM DESIGN CABLE CABLE CLAMP CLAMP CABLE TIES (OPTIONAL) POWER CORD Figure 3-50. Typical Port Cable Installation at Switch Cabinet 3-74...
  • Page 158 System 75 XE) The INADS trunk connection location. For the System 75 XE, access to a relay contact is available to actuate a light, bell, or similar type customer-provided alarm device. The relay can be administered to make contact when a major, minor or warning alarm condition occurs in the switch.
  • Page 159 CHAPTER 3. EQUIPMENT ROOM DESIGN CONTROL CARRIER (REAR VIEW) Figure 3-51. Control Carrier Outputs (AUXILIARY Connector)—System 75 CONTROL CARRIER (REAR VIEW) Figure 3-52. Control Carrier Outputs (AUXILIARY Connector)—System 75 XE 3-76...
  • Page 160 Equipment Room Hardware And Cabling Installation Labeling Control Carrier Cable (Used With 110-Type Hardware) Place the appropriate AUXILIARY connector label (Figure 3-30) on the assigned 110-type terminal block row. On the control carrier cable, place a yellow auxiliary label (Figures 3-42 and 3-43) on the connectors at each end of the cable.
  • Page 161 Figures 3-53, 3-54, and 3-55 show the carrier connectors on the rear of the switch that connect to the purple field. CABINET FANS CONTROL CARRIER A PORT CARRIER B REAR VIEW Figure 3-53. System 75, Slot Addresses for 2-Carrier Cabinet 3-78...
  • Page 162 Equipment Room Hardware And Cabling Installation 3-79...
  • Page 163 Equipment Room Hardware And Cabling Installation 3-80...
  • Page 164 Equipment Room Hardware And Cabling Installation Selecting Concentrator Cables For Use With 66-Type Hardware WP-90929, List 2 and 4 concentrator cables can be used to connect the switch cabinet to the 66-type connecting blocks in the purple field. Jumper wires are then run from the connecting blocks in the purple field to the connecting blocks in the green field to establish the correct 3-pair modularity for the 1- and 3-pair trunks.
  • Page 165 CHAPTER 3. EQUIPMENT ROOM DESIGN CONCENTRATOR CABLE WP90929, LIST 1 USING 11O-TYPE HARDWARE CONCENTRATOR CABLE WP90929, LIST 2 USING CENTRAL 66-TYPE OFFICE HARDWARE TRUNKS B25A B25A CONCENTRATOR CABLE CABLE CABLE, WP90929, 157B LIST 4 CONNECTING BLOCKS Figure 3-56. Connecting Trunk Pairs Used for 1-Pair Trunk Circuits; DID, Loop Start, Ground Start Using Concentrator Cables 3-82...
  • Page 166 Equipment Room Hardware And Cabling Installation Label connectors on each end of the cables that connect to the switch cabinet. Dress cables down the sides of the switch cabinet and store the excess cable slack in the cable slack manager as described previously.
  • Page 167 CHAPTER 3. EQUIPMENT ROOM DESIGN 110-TYPE TERMINAL BLOCK ROW/66-TYPE CONNECTING BLOCK IN GREEN FIELD PAIRS 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 PAIR JUMPERS 1 4 7 10 13 16 19 22 PAIRS...
  • Page 168 Equipment Room Hardware And Cabling Installation 11O-TYPE TERMINAL BLOCK ROW/66-TYPE CONNECTING BLOCK IN GREEN FIELD PAIRS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 PAIR JUMPERS 1 2 3 4 5 6 7 8 9...
  • Page 169 CHAPTER 3. EQUIPMENT ROOM DESIGN Installing Coupled Bonding Conductor (CBC) Grounding A CBC must be tie-wrapped to all trunk cables. The CBC connects the cabinet single-point ground block to the approved ground located nearest the telephone company owned protector block at the building entrance facility (Figure 3-59).
  • Page 170 Equipment Room Hardware And Cabling Installation Rod and pipe electrodes—a 5/8 inch (solid rod) or 3/4 inch (conduit or pipe) electrode driven to a minimum depth of 8 feet Plate electrodes—expose a minimum of 2 square feet of metallic surface to the exterior soil. Concrete Encased Ground —...
  • Page 171 CHAPTER 3. EQUIPMENT ROOM DESIGN DANGER If the approved ground or approved floor ground can only be accessed inside a dedicated power equipment room, then connections to this ground should be made by a licensed electrician 10 GAUGE CBC TRUNK CIRCUITS SINGLE-POINT GROUND BLOCK...
  • Page 172 Equipment Room Hardware And Cabling Installation Installing Connector Cables Between Switch Cabinet and the Cross-Connect Field Before starting the following procedure, refer to the heading Routing Cables From Cabinet to Cross-Connect Field in this chapter. Also, all purple labels should have been previously installed as described in this chapter under the heading Labeling the Cross-Connect Field.

  • Page 173: Station Wiring Design

    CHAPTER 3. EQUIPMENT ROOM DESIGN Install connector cables between the auxiliary cabinet and cross-connect field as follows; Install "D" rings on the wall between the cable slack manager and the terminal/connecting blocks mounted on the cross-connect field. Install a self-sticking port label on the back of each connector on the B25A connector cable (Figure 3-43).
  • Page 174 Station Wiring Design A brief description of each of the above listed items follows. The station wiring labels and their use are described in Chapter 4. Ordering information is not provided for station cables and information outlets. The ordering information for this equipment is available in the Premises Distribution System Equipment and Supplies Catalog.
  • Page 175 CHAPTER 3. EQUIPMENT ROOM DESIGN site/satellite location or adapter. Staggered-finger cables are recommended for all multiple 25-pair station cables. Staggered-finger cables are available in both double-ended and single-ended types. Bulk Cable—This cable is the same as the connectorized 25-pair cable or multiple 25-pair cable; however, the bulk cable is not equipped with connectors.
  • Page 176 Station Wiring Design MODULAR PLUG Figure 3-60. 4-Pair Single Modular Plug-Ended Station Cable Note: If more than 200 feet of 4-pair station cable is required, a 451A in-line adapter (double-ended modular female connector) is attached to the cable and a second 4-pair cable of the required length is plugged into the adapter (Figure 3-61).
  • Page 177 CHAPTER 3. EQUIPMENT ROOM DESIGN STATION INFORMATION CABLE OUTLET 451A IN-LINE ADAPTER 258A ADAPTER 4-PAIR STATION CABLE Figure 3-61. Example of Extending 4-Pair Station Cables Closets Site Locations Site locations are closets that provide a point in the station wiring for the administration of remote powering.
  • Page 178 Station Wiring Design 25-PAIR MALE RIBBON CONNECTOR 4-PAIR 4-PAIR MODULAR MODULAR JACKS JACKS (EIGHT PINS) (EIGHT PINS) 258A BR2580A ADAPTER ADAPTER Figure 3-62. 258A and BR2580A Adapters 356A ADAPTER The 356A adapter (Figure 3-63) plugs into a 25-pair female cable connector.
  • Page 179 CHAPTER 3. EQUIPMENT ROOM DESIGN 25-PAIR 4-PAIR MALE MODULAR RIBBON JACKS CONNECTOR (SIX PINS EACH CONNECTED TO 25-PAIR RIBBON CONNECTOR) Figure 3-63. 356A Adapter ZD8AJ ADAPTER Use the ZD8AJ adapter to connect a MET line cord to an information outlet. The adapter interchanges pairs 3 and 4 to correspond with the pair assignments for the MET.
  • Page 180 Station Wiring Design Satellite Locations Satellite locations are closets that provide an administration point (using cross-connect equipment) for station cables and where adjunct power may be applied. The station cable circuits from the equipment room cross-connect field are 3-pair. The hardware at the equipment room has been described previously.

  • Page 181: Station Circuit Distribution From Equipment Room

    CHAPTER 3. EQUIPMENT ROOM DESIGN Satellite Locations Using 66-Type Hardware The 3-pair station circuits from the equipment room are terminated on a 66-type connecting block in the satellite closet white field, and then cross-connected to a 66-type connecting block in the blue field. The 4-pair station circuits from the information outlets are terminated on the satellite closet blue field.
  • Page 182 Station Wiring Design Figure 3-64. 4-Pair Circuit Distribution and Connectivity From Equipment Room Cross-Connect Field 3-99...
  • Page 183 CHAPTER 3. EQUIPMENT ROOM DESIGN The 4-pair station cables can be run, directly from the equipment room to the information outlets if 4-pair terminal blocks are used in the distribution field (Figure 3-65). The station cables must be field-terminated on the 110-type terminal blocks/66-type connecting blocks.
  • Page 184 Station Wiring Design PART OF EQUIPMENT ROOM CROSS-CONNECT FIELD (110-TYPE TERMINAL BLOCKS) 258A OR 4-PAIR 3-PAIR INFORMATION BR2580A CONNECTING CONNECTING OUTLET ADAPTER BLOCKS BLOCKS 4-PAIR CIRCUIT SWITCH STATION CABLE (DIW) BLUE PURPLE 110P6A FIELD FIELD PATCH CORD OR JUMPERS 4-PAIR CIRCUITS Figure 3-66.
  • Page 185 CHAPTER 3. EQUIPMENT ROOM DESIGN * USED WITH 110-TYPE TRMINAL BLOCKS † USED WITH 66-TYPE CONNECTING BLOCKS NOTE: 1. IF FIELD TERMINATED 66-TYPE CONNECTING BLOCKS OR 11O-TYPE TERMINAL BLOCKS ARE USED AT THE EQUIPMENT ROOM AND SATELLITE LOCATION, BULK CABLE MAY BE USED TO RUN THE 3-PAIR CIRCUITS. Figure 3-67.
  • Page 186 Station Wiring Design NOTE: 1. IF FIELD TERMINATED 66-TYPE CONNECTING BLOCKS ARE USED AT THE EQUIPMENT ROOM AND SATELLITE LOCATION, BULK CABLE MAY BE USED TO RUN THE 3-PAIR CIRCUITS. Figure 3-68. 3-Pair to 4-Pair Circuit Distribution and Connectivity From Equipment Room Using 66-Type Hardware 3-103...
  • Page 187 CHAPTER 3. EQUIPMENT ROOM DESIGN Three-pair circuits can also be run directly from the equipment room cross-connect field to a 356A adapter as shown in Figure 3-69. Four-pair station cables connect the adapter to the information outlets. Four-pair station cables can be run directly from a satellite location to the information outlets as previously described (Figure 3-65 and 3-66).
  • Page 188 Station Wiring Design Table 3-I provides detailed wiring information for the 25-pair cables, the adapters, and the information outlets. Note: Bridged taps must not be allowed on any part of the station wiring. Table 3-I. System Wiring 25-Pair Cable 4-Pair Cable Voice Term Lead Functions BR2580A 7400...
  • Page 189 CHAPTER 3. EQUIPMENT ROOM DESIGN Table 3-I. System Wiring (Contd) 4-Pair Cable 25-Pair Cable Voice Term Lead Functions BR2580A D-Inside D-inside 258A 7400 500,* Cable Info. Cable Adapter Term* Series 2500, Color Outlet Color Att. 7300 7100 Term. Code Term. Code Num.

  • Page 190: Layout

    Station Wiring Design Layout Locating Information Outlets The customer or marketing representative must provide floor plans showing the information outlet locations and types (flush- or surface-mounted) required. The floor plans must also show a complete overview of all conduit and cabling facilities in the building. Locating Satellites and Sites Use the following information when determining site, satellite, or adapter locations.
  • Page 191 CHAPTER 3. EQUIPMENT ROOM DESIGN Sizing 25-Pair and Multiple 25-Pair Station Cables Use the scale of the floor plan to determine the approximate length of each 25-pair station cable. The 25-pair station cables must be selected and properly sized to make maximum use of the hardware at the equipment room or satellite location.
  • Page 192 Station Wiring Design 4-Pair Station Cable Circuits To determine the size of station cables containing 4-pair circuits, find out how many information outlets are served by the equipment room cross-connect field or satellite location cross-connect field. Multiply the number of information outlets by 4 (see Note). Then, using the minimum size cable requirement, round up the cable size requirement to the next highest available cable bundle size.
  • Page 193 CHAPTER 4. STATION WIRING Installation of Station Wiring And Associated Hardware Installing Station Cables Installing 110-Type Hardware at Satellite Locations Labeling Installing 66-Type Hardware at Satellite Locations Labeling 4-10 Installing 4-Pair Station Cables 4-10 Installing Information Outlets Adjunct Powering 4-12 Adjunct Powering From the Equipment Room and Satellite 4-12 Locations...
  • Page 194 Installing Customer-Provided Alarm—System 75 XE Only 4-36 Requirements 4-36 Installing Off-Premises Station Wiring 4-36 Requirements 4-36 Installation 4-37 Installing Out-of-Building Station Wiring 4-37 Analog Out-of-Building Stations 4-37 Digital Out-of-Building Voice Terminals 4-41 Installing Emergency Transfer Units and Associated Telephones 4-45...
  • Page 195 Connections at Trunk/Auxiliary Field for INADS 4-32 Trunk Figure 4-19. Connections for DS1 Tie Trunks Between Two 4-34 System 75 or 75 XEs 4-35 Figure 4-20. Connections Between DS1 Tie Trunk and T1 CSU 4-36 Figure 4-21. Connections For Off-Premises Stations Figure 4-22.
  • Page 196 Figure 4-24. Connections for Digital Out-of-Building Voice Terminals 4-44 4-46 Figure 4-25. 574-5 Power Transfer Unit Option Switches Connections at Trunk/Auxiliary Field Equipped with Figure 4-26. 110-Type Hardware for Telephone Used Only for Emergency Transfer 4-47 Figure 4-27. Connections at Trunk/Auxiliary Field Equipped with 66-Type Hardware for Telephone Used Only for 4-48 Emergency Transfer...
  • Page 197 Tables 4-42 Recommended Protectors Table 4-A.
  • Page 198 CHAPTER 4. STATION WIRING CHAPTER 4. STATION WIRING Installation of Station Wiring And Associated Hardware Installing Station Cables The station labels shown in Figure 4-1 must be installed on each end of a 25-pair station cable. The labels are provided with the 201A cabIe/jack station labels (Figure 3-42).
  • Page 199 CHAPTER 4. STATION WIRING cables must be used to connect the multiple 25-pair cables to the 110-type terminal block/66-type connecting block connectors. Bulk cables can also be used to run from the equipment room to the satellite locations if field-terminated 110-type terminal blocks/66-type connecting blocks are used.
  • Page 200 Installation of Station Wiring And Associated Hardware STATION CABLE WITH STAGGERED FINGERS 66-TYPE CONN BLK OR 110-TYPE TERM BLK CONNECTORS 66-TYPE CONN BLK OR 11O-TYPE TERM BLK CONNECTORS 66-TYPE CONN B25A BLK OR 11O-TYPE CABLES TERM BLK CONNECTORS Figure 4-2. Multiple 25-Pair Station Cable With Factory-Installed Staggered Fingers Connected to a 110-Type Terminal Block/66-Type Connecting Block...
  • Page 201 CHAPTER 4. STATION WIRING Installing 110-Type Hardware at Satellite Locations To install 110-type terminal blocks at a satellite location, use the same installation procedure described in Chapter 3 in the section Installing the Cross-Connect Field. Figure 4-3 shows typical satellite location layouts.
  • Page 202 Installation of Station Wiring And Associated Hardware can be made with connectorized or field-terminated cables depending on the type of terminal blocks used. Labeling Figure 4-3 shows the fill directions for the blue and white fields at a satellite location. Use the labels described in Chapter 3 in the section Labeling the Cross-Connect Field (with the satellite symbols) at a satellite location.
  • Page 203 CHAPTER 4. STATION WIRING Figure 4-4. 3-Pair to 4-Pair Wiring Labeling From Equipment Room to Information Outlet...
  • Page 204 Installation of Station Wiring And Associated Hardware The satellite symbol must be installed at all connection points between the blue field and the information outlet. It must also be installed at the information outlet itself. Figure 4-5 shows the labeling scheme for 4-pair circuits from the equipment room to the information outlets.
  • Page 205 CHAPTER 4. STATION WIRING Figure 4-5. 4-Pair Station Wiring Labeling From Equipment Room to Information Outlet...
  • Page 206 Installation of Station Wiring And Associated Hardware Installing 66-Type Hardware at Satellite Locations To install 66-type connecting blocks at a satellite location, use the installation procedure described in Chapter 3 in the section Installing the Cross-Connect Field. Figure 4-6 shows a typical satellite location layout.
  • Page 207 CHAPTER 4. STATION WIRING Installing 4-Pair Station Cables The 4-pair station cables can either be plugged into adapters or field-terminated at the cross-connect field and then run to the information outlets. Installing Information Outlets Install the information outlets (Figure 4-7) at the designated telephone/voice terminal locations.
  • Page 208 Installation of Station Wiring And Associated Hardware PRESS ON WIRE CONNECTION CAPS FOR TERMINATING WIRES ON 104A CONNECTING BLOCK MAGNET LOCATIONS 104A COVER MODULAR 104A CONNECTING 8-PIN JACKS BLOCK 4-PAIR WIRE TERMINATIONS 4-PAIR WIRE TERMINATIONS 106AFD INFORMATION OUTLET REAR VIEW FRONT VIEW MODULAR 8-PIN JACKS...
  • Page 209 CHAPTER 4. STATION WIRING Adjunct Powering Adjunct Powering From the Equipment Room and Satellite Locations Adjunct power is provided at cross-connect fields or satellite locations when 4-pair circuits are required for station wiring. Figure 4-8 shows the connection arrangement at the cross-connect field. The power adapter cord is routed from the connecting block the power supply.
  • Page 210 Adjunct Powering WHEN USING 110-TYPE HARDWARE PART OF 110-TYPE TERMINAL BLOCK (TOP VIEW) 4-PAIR CONNECTING BLOCK TO INDIVIDUAL OR BULK POWER SUPPLY 1-PAIR PLUG MODULAR PLUG 3-PAIR PATCH CORD POWER ADAPTER CORD WHEN USING 66-TYPE HARDWARE PART OF 66-TYPE CONNECTING BLOCK MODULAR PLUG...
  • Page 211 CHAPTER 4. STATION WIRING Adjunct Powering From Site Locations Adjunct power can be provided through an adapter located in a site closet. Adjunct power is required when the length of the 4-pair station wiring from the equipment room or satellite location is more than 250 feet or when the 3-pair station wiring is run from the cross-connect field to a 356A adapter.
  • Page 212 Adjunct Powering 4-15...
  • Page 213 Adjunct Powering From Information Outlets Adjunct powering from the information outlet is described in the DEFINlTY™ Communications System and System 75, and System 85, Terminals and Adjuncts, Installation and Tests (555-015-104). An individual power supply is the only source of local power at an information outlet.
  • Page 214 Adjunct Powering 4-17...
  • Page 215 CHAPTER 4. STATION WIRING Patch Cord/Jumper Installation And Administration Before starting the patch cord installation, obtain a copy of the Port Assignment Record forms (Figure 4-11) from the customer or marketing representative. These forms contain the port assignments and identify the extension numbers (Terminal No.) of the telephones/voice terminals.
  • Page 216 Patch Cord/Jumper Installation And Administration 4-19...
  • Page 217 The following guidelines and procedures are provided for installing and removing patch cords/jumper wires, and power adapter cords. Administration details for changing system translations using the System Access Terminal (SAT) are included in the System 75 And System 75 XE—Administration (555-200-500). Installing Patch Cords/Jumper Wires The DEFINITY™...
  • Page 218 Patch Cord/Jumper Installation And Administration EQUIPMENT SATELLITE ROOM TWO POINTS LOCATION ADMINISTRATION WHITE BLUE PURPLE WHITE FIELD FIELD FIELD FIELD INFORMATION OUTLET 110P6A 110P6A PATCH PATCH CORD OR CORD OR JUMPERS JUMPERS Figure 4-13. 2-Point Administration To install a patch cord/jumper wire, proceed as follows: At the blue or white field, locate the jack number associated with the voice terminal location.
  • Page 219 CHAPTER 4. STATION WIRING Repeat the procedure until all patch cords/jumper wires are installed. Update system translations. Removing Patch Cords/Jumper Wires When it is necessary to remove a patch cord/jumper wire because a telephone/voice terminal is being removed, disconnect the telephone/voice terminal at the information outlet.
  • Page 220 Patch Cord/Jumper Installation And Administration 7. Update system translations. Installing and Removing Power Adapter Cords The power adapter cords are installed as described previously in the Adjunct Powering section of this chapter (Figure 4-8). The power adapter cords can be used only with the 4-pair station circuit terminal/connecting blocks.
  • Page 221 CHAPTER 4. STATION WIRING white field terminal/connecting blocks (equipment room side) and blue field terminal/connecting blocks (station side). 2-Point Administration For 2-point administration (Figure 4-13), the patch cords/jumper wires are connected between purple field terminal/connecting blocks and white field terminal/connecting blocks at the equipment room. At the satellite location, patch cords/jumper wires are connected between the white field terminal/connecting blocks (equipment room side) and blue field terminal/connecting blocks (station side) as specified on the Port...
  • Page 222 M25B CORD SYSTEM 75 OR 75 XE * THE MAXIMUM DISTANCE BETWEEN SYSTEM 75/75 XE IS 50 FEET WHEN USING 24 AWG WIRE. THE DISTANCE MAY BE REDUCED IF HIGHER GAUGE WIRE IS USED OR IF THE CAPACITIVE LOAD ON THE LINE IS INCREASED.
  • Page 223 (less than 10 seconds) power outages. Note: The attendant console cannot be powered from the switch cabinet on the System 75 XE. Additional attendant consoles can be remotely powered by the 346 bulk power supply or individual power units. Refer to Adjunct Powering...
  • Page 224 System 75 XE if a port carrier fails. If power is to be supplied from the switch cabinet (not available on System 75 XE), do step 4 and omit step 5; otherwise, go to step 5. Connect jumpers (-48V and GND)from terminal/connecting block in yellow trunk/auxiliary Field to attendant console appearance on the station side of the distribution field (Figure 4-16).
  • Page 225 854A-03 (black) or 854A-143 (burgundy). A bracket is not required for a headset. 11. Connect handset cord to jack on same side of console as handset bracket. Administer console per AT&T 2System 75 and System 75 XE—lmplementation (555-200-651) and AT&T System 75 and System 75 XE—Administration (555-200-500). 4-28...
  • Page 226 PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH BLOCK ASSOCIATED WITH ATTENDANT CONSOLE APPEARANCE AUXILIARY CONNECTOR YELLOW TRUNK/AUXILIARY BLUE STATION DISTRIBUTION FIELD FIELD Figure 4-16. Wiring Required at Cross-Connect Field for Attendant Console Remotely Powered From Switch Cabinet—System 75 Only 4-29...
  • Page 227 Install labels per Attendant Console Form. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500). 4-30...
  • Page 228 Miscellaneous Wiring Installation SELECTOR CONSOLE D8AC CORD Figure 4-17. Selector Console Installation Installing INADS Interface Requirements The INADS trunk should appear on the twenty-fifth pair of a RJ21X network interface jack. The INADS trunk is a two-way, rotary dial, loop start trunk that connects to the TN731 maintenance circuit pack through the INADS terminals at the trunk/auxiliary cross-connect field.
  • Page 229 CHAPTER 4. STATION WIRING WHEN USING 11O-TYPE HARDWARE TO NETWORK INTERFACE FACILITY 1 PAIR OF WIRES TO CONTROL CARRIER AUXILIARY CONNECTOR WHEN USING 66-TYPE HARDWARE PART OF 66-TYPE PART OF 66-TYPE CONNECTING BLOCK CONNECTING BLOCK ASSOCIATED WITH ASSOCIATED WITH AUXILIARY CENTRAL OFFICE CONNECTOR LEADS...
  • Page 230 Installing DS1 Tie Trunks DS1 tie trunks provide a 1.544 Mbps digital data service between two colocated System 75 or 75 XEs or between the system and a data network using T1 carrier facilities. The TN722 DS1 tie trunk circuit pack (R1V2/V3) provides connection capability to the DS1 facility for 24 independent trunks.
  • Page 231 CHAPTER 4. STATION WIRING C6F CONNECTOR CABLE LEAD IDENTIFICATION Connector Pin Lead Wire Color Number Designation W-BR LBACK2 LBACK1 * Denotes ring or high side of pair. Colocated DS1 Tie Trunks Figure 4-19 shows the connections for two DS1 tie trunk circuit packs in colocated System 75s or 75 XEs.
  • Page 232 Miscellaneous Wiring Installation DS1 Tie Trunks Using 551-Type CSU Figure 4-20 shows the connections required to connect a DS1 tie trunk to a T1 CSU. The CSU is required to interface the DS1 tie trunks with the 1.544 Mbps digital facility. For information on installing the CSU, refer to the information provided with the unit.
  • Page 233 CHAPTER 4. STATION WIRING Installing Customer-Provided Alarm—System 75 XE Only Requirements The switch provides access to a relay contact that can be used to operate a customer-provided alarm, such as a light, bell, or similar type device. The relay contact can be administered so that it makes contact when a major, minor, or warning alarm condition exists in the switch.
  • Page 234 For 66-type hardware, write the remote location lead designations on the connecting block with a permanent felt-tipped pen. Administer per AT&T System 75 and System 75 XE—Implementation (555-200-651) and AT&T System 75 and System 75 XE— Administration (555-200-500).
  • Page 235 CHAPTER 4. STATION WIRING LOCALLY ENGINEERED OUT-OF-BUILDING WIRING 356A ADAPTER OUT-OF- BUILDING ANALOG TELEPHONES (NOTE) B25A CABLE MULTI-PAIR PROTECTOR UNITS (PRIMARY PROTECTORS WITH HEAT COILS OR EQUIVALENT) B25A* OR A25D† CABLE PART OF CROSS-CONNECT FIELD SWITCH STATION SIDE SIDE TN742 OR TN769 CIRCUIT PACK PORT...
  • Page 236 Miscellaneous Wiring Installation jumpers must be connected between one row/connecting block in the white field and up to three rows/connecting blocks in the purple field as shown in Figure 3-56. At the station location, a WP-90929, List 1 concentrator cable is used.
  • Page 237 CHAPTER 4. STATION WIRING Carbon block, or equivalent protection is required at both building entrances. Also sneak current protection is required. Protection can be provided by a 4-type protector or a 3-type protector plus a separate sneak current protector. The 4-type protector is equipped with a heat coil for sneak current protection.
  • Page 238 Miscellaneous Wiring Installation The following voice terminals/telephones cannot be installed in an exposed environment: 7300-type voice terminals connected to TN762 hybrid line circuit packs MET sets connected to TN735 MET line circuit packs analog telephones connected TN746 analog line circuit packs. PROTECTOR ORDERING INFORMATION Comcode Description...
  • Page 239 CHAPTER 4. STATION WIRING Table 4-B. Recommended Protectors PROTECTORS Primary * Primary Secondary Sneak Current Protectors * (w/heat coil) 79A Fuse 3B1A 4B1C Data Link Protector (carbon) (carbon) (one or eight ckts) 3B1E-W 4B1E-W SCP-1 (wide gap (wide gap gas tube) gas tube) 4C1S 3C1S...
  • Page 240 Miscellaneous Wiring Installation PROTECTOR ORDERING INFORMATION Comcode Description 102 381 779 3B1A (Carbon Block) 104 410 147 3B1E-W (Wide Gap Gas Tube) 105 514 756 3C1S (Solid State) 102 904 893 4B1C (Carbon Block with Heat Coil) 104 401 856 4B1E-W (Wide Gap Gas Tube with Heat Coil) 104 386 545 4C1S (Solid State with Heat Coil)
  • Page 241 CHAPTER 4. STATION WIRING 4-44...
  • Page 242 Miscellaneous Wiring Installation Installing Emergency Transfer Units and Associated Telephones Requirements Emergency transfer capability is provided by a transfer unit mounted on the wall next to the trunk/auxiliary cross-connect field. Only 500- or 2500-type telephones can be used for emergency transfer. For R1V2/V3 switches, 500-and 2500-type telephones can also be used as normal extensions.
  • Page 243 CHAPTER 4. STATION WIRING OPTION SWITCH TRUNK TYPE SWITCHES LOOP START GROUND START BOTH SWITCHES MUST BE THROWN FOR TRUNK TYPE 1 AND 2 3 AND 4 CIRCUIT 5 AND 6 SWITCHES NUMBER 7 AND 8 9 AND 10 USE SMALL SCREWDRIVER TO MOVE SWITCH Figure 4-25.
  • Page 244 Miscellaneous Wiring Installation 4-47...
  • Page 245 CHAPTER 4. STATION WIRING PART OF 66-TYPE CONNECTING BLOCK PART OF 66-TYPE ASSOCIATED WITH CONNECTING BLOCK CO TRUNK ASSOCIATED WITH CIRCUIT PACK 574-5 POWER (TN747) TRANSFER UNIT PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH CENTRAL OFFICE LEADS PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH EMERGENCY...
  • Page 246 Miscellaneous Wiring Installation 4-49...
  • Page 247 CHAPTER 4. STATION WIRING PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH PART OF 66-TYPE CO TRUNK CONNECTING BLOCK CIRCUIT PACK ASSOCIATED WITH 574-5 POWER (TN747) TRANSFER UNIT PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH ANALOG LINE PART OF 66-TYPE CIRCUIT PACK CONNECTING BLOCK (TN742 OR TN769) ASSOCIATED WITH...
  • Page 248 Miscellaneous Wiring Installation WHEN USING 110-TYPE HARDWARE TO NETWORK INTERFACE FACILITY 1 PAIR OF WIRES 574-5 POWER TRANSFER UNIT WHEN USING 66-TYPE HARDWARE PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH 574-5 POWER TRANSFER UNIT PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH CENTRAL OFFICE LEADS COM3...
  • Page 249 CHAPTER 4. STATION WIRING Installation Connect the DID make-busy trunk as follows: At the trunk/auxiliary cross-connect field, connect a jumper from one DID make-busy lead to terminal COM3 on the yellow emergency transfer row/connecting block (Figure 4-30). Connect a jumper from the other DID make-busy lead to terminal NC3 on the yellow emergency transfer row/connecting block.
  • Page 250 Miscellaneous Wiring Installation Note: The ST terminal leads should be terminated on the following pairs: 1, 4, 7, 10, 13, 16, 19, or 22 (the first pair of any 3-pair group). Connect the ST leads from the terminal selected in Step 4 to the assigned terminal in the blue or white station distribution field.
  • Page 251 CHAPTER 4. STATION WIRING Installing the Z1A Emergency Transfer Unit If a Z1A emergency transfer unit is used with CO trunks that require ground start, a ground start switch must be installed on each telephone to be used for emergency transfer. Ground is provided on the twenty-fifth pair of leads on each purple row/connecting block associated with a switch cable.
  • Page 252 Miscellaneous Wiring Installation 4-55...
  • Page 253 CHAPTER 4. STATION WIRING PART OF 66-TYPE PART OF 66-TYPE CONNECTING BLOCK CONNECTING BLOCK ASSOCIATED WITH ASSOCIATED WITH CO TRUNK Z1A EMERGENCY CIRCUIT PACK TRANSFER UNIT (TN747) PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH CENTRAL OFFICE LEADS PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH EMERGENCY...
  • Page 254 Miscellaneous Wiring Installation 4-57...
  • Page 255 CHAPTER 4. STATION WIRING PART OF 66 PART OF 66 CONNECTING BLOCK CONNECTING BLOCK ASSOCIATED WITH ASSOCIATED WITH CO TRUNK Z1A EMERGENCY CIRCUIT PACK TRANSFER UNIT (TN747) PART OF 66 CONNECTING BLOCK PART OF 66 ASSOCIATED WITH CONNECTING BLOCK CENTRAL OFFICE ASSOCIATED WITH LEADS ANALOG LINE...
  • Page 256 Miscellaneous Wiring Installation Installing Optional DID Make-Busy Trunk for Use with Z1A Emergency Transfer Unit Requirements Figure 4-35 shows the connections at the trunk/auxiliary cross-connect field for an optional DID make-busy trunk. This option prevents DID trunks from being taken out of service by the serving CO during emergency transfer.
  • Page 257 CHAPTER 4. STATION WIRING WHEN USING 66-TYPE HARDWARE PART OF 66-TYPE CONNECTING BLOCK ASSOCIATED WITH Z1A EMERGENCY PART OF 66-TYPE TRANSFER UNIT CONNECTING BLOCK ASSOCIATED WITH CENTRAL OFFICE LEADS WHEN USING 11O-TYPE HARDWARE TO NETWORK INTERFACE FACILITY 1 PAIR OF WIRES EMERGENCY TRANSFER...
  • Page 258 Miscellaneous Wiring Installation Installation Make connections as follows: At cross-connect field, connect a jumper from one DID make-busy lead to the TK terminal (first appearance) on the yellow emergency transfer row/connecting block (Figure 4-35). Connect a jumper from the other DID make-busy lead to the ST terminal (first appearance) on the yellow emergency transfer row/connecting block.
  • Page 259 CHAPTER 4. STATION WIRING Connect ST leads on the yellow emergency transfer row/connecting block for each emergency transfer telephone to the ST terminal appearance in the yellow trunk/auxiliary cross-connect field (see Note). Note: The ST terminal leads should be terminated on the following pairs: 1, 4, 7, 10, 13, 16, 19, or 22 (the first pair of any 3-pair group).
  • Page 260 Miscellaneous Wiring Installation WHEN USING 66-TYPE HARDWARE TO GROUND TERMINALS WHEN USING 110-TYPE HARDWARE TO GROUND TERMINALS LAST FIRST APPEARANCE APPEARANCE Figure 4-36. Ground Wiring Example (Three Telephones Used Only for Emergency Transfer) 4-63...
  • Page 261 CHAPTER 4. STATION WIRING Trunk/Auxiliary Field Connections—Telephone Used for Emergency Transfer and as a Normal Extension Connect telephone as follows: At trunk/auxiliary cross-connect field, connect a pair of wires between the -48V and GRD terminals on the yellow emergency transfer row/connecting block and the EM TRANS RELAY PWR terminal (Figures 4-33 and 4-34, respectively for 110-type and 66-type hardware).
  • Page 262 Miscellaneous Wiring Installation WHEN USING 66-TYPE HARDWARE TO GROUND TERMINALS WHEN USING 110-TYPE HARDWARE LAST APPEARANCE FIRST APPEARANCE TO GROUND TERMINALS Figure 4-37. Ground Wiring Example (Five Telephones Used for Emergency Transfer and as Normal Extensions) Telephone Installation Install telephones assigned to emergency transfer as follows: If ground start is required, do Steps 2 through 9 to install the ground start switch;...
  • Page 263 CHAPTER 4. STATION WIRING Mount base of 551A key to 77A bracket using screws provided with bracket. Remove housing from 500- or 2500-type telephone. Connect wire from red lead (R) on telephone through 551A key to yellow and/or black lead on telephone. Replace cover on 551A key.
  • Page 264 Connect red (R) and green (T) leads to the ringing device. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 265 CHAPTER 4. STATION WIRING STATION WIRING AC LAMP SATELLITE, SITE, OR PART OF CROSS-CONNECT FIELD INFORMATION ADAPTER RINGING SWITCH SIDE STATION SIDE OUTLET LOCATION DEVICE TN742 OR TN769 GREEN CIRCUIT PACK 110P6A PATCH BLUE OR PURPLE LINE CORD OR FIELD WHITE CORD JUMPERS...
  • Page 266 Connect red (R) and green (T) leads to the indicator. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 267 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Auxiliary Equipment Description Installing Loudspeaker Paging and Music-on-Hold Requirements Installing Loudspeaker Paging Access—278A Paging Adapter Requirements Installation Installing Loudspeaker Paging Access—89A Control Unit Requirements Installation 5-10 Installing PagePac® Paging System 5-11 General 5-11 PagePac 20 5-11 5-13 Installing PagePac VS...
  • Page 268 5-33 Installation 5-36 Installing Processor Data Modules (PDMs) 5-36 Requirements 5-37 Installation 5-39 Installing AP Interface—System 75 only 5-39 Requirements 5-40 Installation of AP Alarms 5-42 Installing AUDIX Interface—R1V3 Only 5-42 Requirements 5-42 Installing CMS Interface—R1V3 Only 5-42 Requirements 5-43 Installing DCS—R1V2 and R1V3...
  • Page 269 Figures Figure 5-1. Connections for Loudspeaker Paging and Music-on-Hold Figure 5-2. Connections for Loudspeaker Paging—278A Adapter Figure 5-3. Connections for Louspeaker Paging—89A Control Unit Figure 5-4. Connections for PagePac 20 Without Zone-Mate 9 or 39 5-12 Figure 5-5. Connections for PagePac 20 With Zone-Mate 9 or 5-13 Figure 5-6.
  • Page 270 Figure 5-21. Connections for PDMs in Data Mounting 5-38 Figure 5-22. Connections for Individual PDMs 5-39 Figure 5-23. Connections at Trunk/Auxiliary Field for Applications Processor Alarms 5-41 Figure 5-24. Connections to ADU for Data Terminal Equipment (R1V2 or R1V3) 5-44 Figure 5-25.
  • Page 271 Connector)—System 75 Figure 3-52. Control Carrier Outputs (AUXILIARY Connector)—System 75 XE 3-76 Figure 3-53. 3-78 System 75, Slot Addresses for 2-Carrier Cabinet Figure 3-54. 3-79 System 75, Slot Addresses for 5-Carrier Cabinet Figure 3-55. System 75 XE Carrier Slot Addresses 3-80 Figure 3-56.
  • Page 272 Figure 3-66. Example of 4-Pair Home Run to Equipment Room or Satellite Location Using Modular Plug-Ended Station Cable 3-101 Figure 3-67. 3-Pair to 4-Pair Circuit Distribution and Connectivity From Equipment Room Using 110-Type Hardware 3-102 3-Pair to 4-Pair Circuit Distribution and Connectivity Figure 3-68.
  • Page 273 Tables Distribution Field—110A-Type Terminal Blocks Table 3-A. Distribution Field—300-Pair 110P-Type Terminal Table 3-B. 3-10 Blocks Distribution Field—900-Pair 110P-Type Terminal Table 3-C. 3-11 Blocks 3-22 110-Type Hardware Requirements Table 3-D. 3-23 Table 3-E. 110 Patch Cord Requirements 3-24 66-Type Hardware Requirements Table 3-F.
  • Page 274 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Auxiliary Equipment Description The following optional equipment is available for use with the system. 278A adapter—provides an interface to customer-provided equipment for the Loudspeaker Paging feature. The 278A adapter requires -24 volt dc power, however it can be modified for -48 volt dc power by adding a D-181321 kit of parts (Comcode 103 031 181).
  • Page 275 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Cook Electric Model NT7M00AA* or NT7M25AA* Digital Announcer—Provides recorded announcements for Recorded Announcement feature. Model NT7M00AA provides one channel of voice. Model NT7M25AA provides four channels of voice. Both models require an ac adapter to provide a 117-volt ac power source.
  • Page 276 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Installing Loudspeaker Paging and Music-on-Hold Requirements The Loudspeaker Paging feature provides a connection from the TN763 Auxiliary Trunk to a customer-provided paging amplifier. All attendants and voice terminal users have access to the voice paging equipment. The Music-on-Hold feature provides a connection from the TN763 Auxiliary Trunk to a customer-provided music source.
  • Page 277 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Figure 5-1. Connections for Loudspeaker Paging and Music-on- Hold...
  • Page 278 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Installing Loudspeaker Paging Access—278A Paging Adapter Requirements Access to loudspeaker paging is provided by an information outlet. The switch side of the cross-connect field is connected to a 278A adapter. The 27A adapter is designed to operate on -24V dc. If it is to be operated on -48V dc, it must be modified with a D-181321 kit of parts.
  • Page 279 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION STATION WIRING SATELLITE, PART OF CROSS-CONNECT FIELD SITE, OR INFORMATION LOUDSPEAKER ADAPTER SWITCH SIDE STATION SIDE LOCATION SYSTEM OUTLET GREEN 110P6A PATCH BLUE OR YELLOW LINE CORD OR WHITE FIELD CORD JUMPERS FIELD B25A* OR A25D†...
  • Page 280 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Installation Install loudspeaker paging access as follows: Determine port assignment of paging zone(s) from Loudspeaker Paging Form: EXAMPLE: Port Number Carrier Slot Circuit Identify carrier slot and label both ends of an A25D cable. Connect the A25D cable from the assigned port carrier slot to the 25-pair connector on the auxiliary cabinet’s ED-1E443-10 intra-connection panel (Figure 5-2).
  • Page 281 Install loudspeaker equipment per the manufacturer’s instructions. Administer per AT&T System 75 and System 75 XE—lmplementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 282 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION STATION WIRING SATELLITE, SITE, OR PART OF CROSS-CONNECT FIELD ADAPTER LOUDSPEAKER INFORMATION SWITCH SIDE STATION SIDE LOCATION SYSTEM OUTLET GREEN 110P6A PATCH BLUE OR YELLOW LINE CORD OR WHITE FIELD CORD JUMPERS FIELD B25A* OR A25D†...
  • Page 283 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Installation Install loudspeaker paging access as follows: Determine port assignment of paging zone(s) from Loudspeaker Paging Form: EXAMPLE: Port Number Carrier Slot Circuit Identify carrier slot and label both ends of an A25D cable. Connect the A25D cable from the assigned port carrier slot to the 25-pair connector on the auxiliary cabinet’s ED-1E443-10 intra-connection panel (Figure 5-3).
  • Page 284 Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500). Installing PagePac® Paging System...
  • Page 285 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION PART OF CROSS-CONNECT FIELD STATION SIDE "PAGEPAC" 20 POWERMATE T (RED) R (GREEN) C1 (YELLOW) C2 (BLACK) "PAGEPAC" YELLOW INFORMATION B25A* OR MODULAR CORD FIELD OUTLET A25D† CABLE PART OF AUXILIARY CABINET‡ 25-PAIR FEMALE 25-PAIR FEMALE CONNECTOR CONNECTOR ON ED-1E443-10...
  • Page 286 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION PART OF CROSS-CONNECT FIELD "PAGEPAC" 20 INFORMATION STATION SIDE SWITCH SIDE OUTLET CONTROL UNIT TN763B CIRCUIT PACK J101 CONNECTED PORT 110P6A PATCH CORD OR YELLOW PURPLE JUMPERS FIELD FIELD "PAGEPAC" MODULAR CORD Figure 5-5. Connections for PagePac 20 With Zone-Mate 9 or 39 Installing PagePac VS The PagePac VS is a 35 watt amplifier that provides up to 3 paging zones.
  • Page 287 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION PART OF CROSS-CONNECT FIELD "PAGEPAC" SWITCH SIDE STATION SIDE UIC CARD TN763B CIRCUIT CONNECTED PACK PORT 110P6A PATCH CORD OR YELLOW PURPLE JUMPERS FIELD FIELD * IF UIC CARD IS NOT PROVIDED, ALL CONNECTIONS ARE MADE TO TB2 ON THE "PAGEPAC"...
  • Page 288 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION PART OF CROSS-CONNECT “PAGEPAC” FIELD 50/100/200 AMPLICENTER STATION SIDE PAGE IN PAGE IN MUSIC/PAGE SIG GND YELLOW FIELD B25A* OR A25D† CABLE PART OF AUXILIARY CABINET (SEE NOTE) 25-PAIR FEMALE 25-PAIR FEMALE CONNECTOR CONNECTOR ON ED-1E443-10 ON ED-1E443-10 PANEL PANEL...
  • Page 289 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION “PAGEPAC” PART OF CROSS-CONNECT FIELD 50/100/200 STATION SIDE SWITCH SIDE SYSTEM* TN763B CIRCUIT CONNECTED PACK PORT 110P6A PATCH CORD OR YELLOW PURPLE JUMPERS FIELD FIELD * OPTION C APPLIQUE FOR LOOP START WITH 24V BATTERY MUST BE PROVIDED Figure 5-8.
  • Page 290 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION connections for the Music-on-Hold feature when the loudspeaker equipment is not FCC registered. The connections shown in Figures 5-9 and 5-10 are used when the music source is not located in the equipment room. If the music source is located in the equipment room, the connections do not have to be routed through the cross-connect field.
  • Page 291 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION DIAL STATION WIRING DICTATION SATELLITE, EQUIPMENT SITE, OR PART OF CROSS-CONNECT FIELD ADAPTER INFORMATION MUSIC SWITCH SIDE STATION SIDE LOCATION OUTLET SOURCE GREEN 110P6A YELLOW BLUE OR PATCH B25A* OR LINE FIELD WHITE CORD A25D† CORD FIELD JUMPERS...
  • Page 292 Install patch cord/jumper wires at the cross-connect field. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 293 Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500). Installing Loudspeaker Paging With Background Music...
  • Page 294 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION 2. Adjust music source level. 278A ADAPTER LOUDSPEAKER EQUIPMENT MUSIC SOURCE MUSIC INPUT Figure 5-11. Loudspeaker Paging With Background Music Connections—278A Adapter Installation Using 89A Control Unit Connect the 89A control unit as follows: On the 89A control unit (Figure 5-12), connect the music source to terminals CMS1 and CMS2.
  • Page 295 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION 89A CONTROL UNIT LOUDSPEAKER EQUIPMENT MUSIC SOURCE CMS2 MUSIC INPUT CMS1 Figure 5-12. Loudspeaker Paging With Background Music Connections—89A Control Unit Installing Recorded Announcement Equipment Requirements Access to recorded announcement equipment is provided by an information outlet.
  • Page 296 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION feature when the recorded announcement equipment is not FCC registered. Note: For R1V3, if the TN750 Announcement circuit pack is provided, it replaces all external announcement devices except the wake-up announcement unit. STATION WIRING RECORDED ANNOUNCEMENT SATELLITE, OR DIAL...
  • Page 297 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION STATION WIRING RECORDED SATELLITE, ANNOUNCEMENT SITE, OR PART OF CROSS-CONNECT FIELD OR DIAL ADAPTER INFORMATION DICTATION STATION SIDE SWITCH SIDE LOCATION OUTLET EQUIPMENT GREEN 110P6A PATCH BLUE OR YELLOW LINE CORD OR WHITE FIELD CORD JUMPERS FIELD B25A* OR...
  • Page 298 Install patch cord/jumper wires at cross-connect field. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Adminstration (555-200-500).
  • Page 299 Install patch cord/jumper wires at the cross-connect field. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 300 Plug the 2012D transformer into a 117-volt ac receptacle not under control of a wall switch. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500). 5-27...
  • Page 301 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION PART OF AUXILIARY CABINET* 25-PAIR FEMALE CONNECTOR PART OF CROSS-CONNECT FIELD ON ED-1E443-10 DIGITAL STATION SIDE SWITCH SIDE ANNOUNCER 36A VOICE PANEL COUPLER TN742 OR TN769 CIRCUIT PACK PORT 110P6A PATCH YELLOW PURPLE CORD OR FIELD FIELD JUMPERS...
  • Page 302 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Access to the TN742 or TN769 analog line circuit pack is provided by an information outlet. The TN742 and TN769 circuit packs contain eight ports. Access to the TN763B auxiliary trunk circuit pack is by the T and R leads through the cross-connect field.
  • Page 303 -48V dc at 1.2 amps. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500). STATION WIRING...
  • Page 304 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION PART OF CROSS-CONNECT FIELD SWITCH SIDE STATION SIDE "AUDICHRON" H9040 ANNOUNCER TN763B CIRCUIT PACK A25D† B25A‡ CABLE (350 FEET MAXIMUM) PURPLE YELLOW JUMPERS* FIELD FIELD TERMINAL NUMBERS SHOWN ARE CONNECTING BLOCK/TERMINAL BLOCK NUMBERS † USE WITH 11O-TYPE TERMINAL BLOCKS USE WITH 66-TYPE CONNECTING BLOCKS ‡...
  • Page 305 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION “AUDICHRON” H9040 ANNOUNCER -48V TO POWER SUPPLY WHEN BATTERY BACKUP 3-PAIR IS PROVIDED* JACK -48V TO POWER SUPPLY WHEN BATTERY BACKUP IS NOT PROVIDED* * POWER SUPPLY MUST BE PROVIDED LOCALLY AND MUST BE RATED AT -48V DC AT 1.2 AMPS 20 GAUGE Figure 5-18.
  • Page 306 Install patch cord/jumper wires at cross-connect field. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 307 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION STATION WIRING SATELLITE, 3270A SITE, OR PART OF CROSS-CONNECT FIELD OR 3270T ADAPTER INFORMATION DATA SWITCH SIDE STATION SIDE LOCATION OUTLET MODULE TN754 CIRCUIT WALL PACK JACK PORT 110P6A PATCH PURPLE BLUE OR CORD OR 4-PAIR WHITE FIELD...
  • Page 308 Install patch cord/jumper wires at cross-connect field. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 309 The interface between the system and many types of data equipment is provided by a TN754 digital line circuit pack connected to a PDM. The following types of data equipment can be connected by a PDM: AP/Adjunct—System 75 Only AP/Terminal—System 75 Only AUDIX/Adjunct—R1V3 Only AUDIX/Terminal—R1V3 Only...
  • Page 310 PDMs. This guide contains only the information required to connect the PDMs to the switch. PDM installation and testing information is contained in AT&T System 75 User’s Guide—Processor Data Module, 999-700-028. The data mounting is connected by an A25D/B25A cable through the cross-connect field to a TN754 digital line circuit pack.
  • Page 311 Install patch cord/jumper wires at cross-connect field. Administer per AT&T System 75 and System 75 XE—Implementation ( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 312 The interface between System 75 and the AP/adjunct or AP/terminal is through PDMs. The AP alarms are connected through the trunk/auxiIiary field to the System 75. The AP terminals can also be connected through the cross-connect field to the AP.
  • Page 313 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Connections for the AP alarms are shown in Figure 5-23. Installation of AP Alarms At the rear of the AP, connect a B25A (for 110-type hardware) or A25B (for 66-type hardware) cable to the REMOTE ALARM connector, then route the cable to a connector associated with a yellow row/connecting block in the trunk/auxiliary field to be used for the AP alarms (Figure 5-23).
  • Page 314 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION 5-41...
  • Page 315 AUDIX. The large AUDIX is not supported by System 75 or 75 XE. System 75, Version 3 uses interface 1 (TN716), interface 2 (TN738), and interface 3 (TN719) as the required control circuit packs.
  • Page 316 The DCS link to the switch can be provided by either PDMs or a DS1 tie trunk. System 75, Version 2 or 3 uses interface 1 (TN716), interface 2 (TN738), and interface 3 (TN719) as the required control circuit packs.
  • Page 317 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Installing PMS Interface—R1V3 Only Requirements The interface between the switch and the customers PMS is through PDMs. Connections between the PMS interface and the switch is covered in the section for installing PDMs (Figures 5-21 and 5-22). Refer to the appropriate vendor’s documentation for connecting the PDM to the PMS.
  • Page 318 The interface between the switch and SMDR is through a PDM, trunk data module (TDM), or 212-type modem. For connections between the switch and the PDM or TDM, refer to the section on installing PDMs (Figures 5-21 and 5-22). Administer per AT&T System 75 and System 75 5-45...
  • Page 319 TN758 pooled modem circuit pack must be provided. One of the pooled modem’s conversion resources is dedicated to the SMDR output device. Administer per AT&T System 75 and System 75 XE—Implementation (555-200-651) and AT&T System 75 and System 75 XE—Administration (555-200-500).
  • Page 320 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION 50 FEET MAXIMUM M25B “TELESEER” M1OM TRUNK M25B PRINTER M25B NULL MODEM DATA CABLE MODULE CUSTOMER PROVIDED M25B MODEM Figure 5-25. SMDR Cabling for Data Terminal Equipment 5-47...
  • Page 321 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION Figure 5-26 shows the cabling required to connect the 94A LSU, a printer, or customer-provided data communications equipment (DCE). The M25B cable connects to the C1 connector on the 94A LSU. 50 FEET MAXIMUM TRUNK M 2 5 B DATA MODULE...
  • Page 322 Installing ISN Interface The ISN interconnects computers and terminals on a customer’s premises. When an ISN and a System 75 or 75 XE are colocated, voice and data can be shared at the same information outlet as shown in Figure 5-28.
  • Page 323 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION The voice pair that connects to a TN742 or TN769 analog line circuit pack port occupies the first pair of the information outlet. The ISN data pairs occupy the second and third pairs of the information outlet. The voice and data pairs can be separated as shown in Figure 5-18.
  • Page 324 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION 5-51...
  • Page 325 The STARLAN NETWORK interconnects small quantities of personal computers, data terminals, resource units, and printers. When a STARLAN NETWORK and a System 75 or 75 XE are colocated, voice and data can be shared on the same information outlet as shown in Figure 5-29.
  • Page 326 The PLS is used to connect IBM* 3270 Type A terminals to an IBM 3274 cluster controller. An optical fiber backbone and station cables are used instead of coaxial cables. When a PLS and a System 75 or 75 XE are colocated, voice and data can be shared on the same information outlet as shown in Figure 5-30.
  • Page 327 CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION The voice pair that connects to a TN742 or TN769 Analog Line circuit pack port occupies the first pair of the information outlet. The PLS data pairs occupy the second and third pairs of the information outlet. The voice and data pairs must be separated at the blue or white cross-connect field in the equipment room or the blue cross-connect field in a satellite location.
  • Page 328 OR 75 XE OR 75 XE * THE MAXIMUM DISTANCE LIMITATION FOR TWO SYSTEM 75/75 XE IS 50 FEET WHEN DIRECTLY CONNECTED WITH 24 AWG WIRE. REDUCING THE MAXIMUM DISTANCE MAY BE NECESSARY IF HIGHER GAUGE WIRE IS USED OR IF THE CAPACITIVE LOAD ON THE LINE IS INCREASED.
  • Page 329 M25B CORD SYSTEM 75 OR 75 XE * THE MAXIMUM DISTANCE BETWEEN SYSTEM 75/75 XE IS 50 FEET WHEN USING 24 AWG WIRE. THE DISTANCE MAY BE REDUCED IF HIGHER GAUGE WIRE IS USED OR IF THE CAPACITIVE LOAD ON THE LINE IS INCREASED.
  • Page 330 CHAPTER 6. GLOSSARY CHAPTER 6. GLOSSARY Note: A complete glossary for System 75 is contained in the AT&T System 75 Reference Manual—System Description, (555-200-200). Asynchronous Data Transmission A scheme for transmitting data where each character is preceded by a start bit and followed by a stop bit, thus permitting data elements to occur at irregular intervals.
  • Page 331 CHAPTER 6. GLOSSARY Central Office Trunk A telecommunications channel that provides access from the switch to the public network through the local central office. Channel A communications path for transmitting voice and data. Common Control Switching Arrangement (CCSA) A private telecommunications network using dedicated trunks and a shared switching center for interconnecting company locations.
  • Page 332 CHAPTER 6. GLOSSARY Digital Multiplexed Interface (DMI) Specifies the remote interface requirements for multiplexed data communications between a host computer and a private switching system. Digital Trunk A circuit in a telecommunications channel designed to handle digital voice and data. Distributed Communications System (DCS) A network of two or more switches, each with its terminals and trunks, configured to function as a single large system.
  • Page 333 CHAPTER 6. GLOSSARY Feature A specifically defined function or service provided by the switch. Foreign Exchange (FX) A CO other than the one providing local access to the public telephone network. Foreign Exchange Trunk A telecommunications channel that directly connects the switch to a central office other than its local central office.
  • Page 334 CHAPTER 6. GLOSSARY Loop-Start Trunk After establishing a connection with the distant switching system for an outgoing call, the switch waits for a signal on the loop formed by the trunk leads before sending the digits of the called number. On incoming calls, the received request for service is sufficient to cause the call to route to a predetermined destination, normally the system attendant group.
  • Page 335 CHAPTER 6. GLOSSARY Off-Premises Terminal An extension (analog only) connected from another location that appears as a trunk circuit on any of the RJ21X network interfaces provided by the local telephone company. Out-of-Building Terminal An extension not physically located in the same building as the equipment room but is located on the same property.
  • Page 336 CHAPTER 6. GLOSSARY Riser Cable A cable run vertically from the equipment room to the various floors of a building. Satellite A physical location (closet) where cross-connect administration can take place and adjunct power may be applied. Single-Line Voice Terminals Voice terminals served by a single-line tip and ring circuit.
  • Page 337 CHAPTER 6. GLOSSARY Tandem Tie Trunk Network (TTN) A private network that interconnects several customer switching systems by dial repeating tie trunks. Access to the various systems is dictated by codes that must be individually dialed for each system. Telephone An analog 500-, 2500-, or 7102-type voice instrument.
  • Page 338 CHAPTER 7. INDEX CHAPTER 7. INDEX 3-Pair to 4-Pair Station Circuits, 3-102 110A-Type Hardware, 2-7 3-Pair White Station Labels, 3-45 110A-Type Terminal Blocks, Wall Mounting, 3-25 4-Pair Blue Station Labels, 3-49 110P-Type Hardware, 2-11 4-Pair Station Cable Circuits, 3-110 110P-Type Terminal Blocks, Frame 4-Pair Station Cable, Sizing, 3-108 Mounting, 3-28 4-Pair Station Circuits, 3-99...
  • Page 339 CHAPTER 7. INDEX Background Music, Loudspeaker Paging, Adapter Requirements, 3-108 Installing, 5-20 Adjunct Power Units, 2-47 Blank Auxiliary Label, 3-44 Adjunct Power Units, Bulk Power Supply, 2-49 Blue 3-Pair Station labels, 3-47 Adjunct Power Units, Individual Power Blue 4-Pair Station labels, 3-49 Supplies, 2-47 Blue Station Labels, 3-45 Adjunct Powering, 4-12...
  • Page 340 CHAPTER 7. INDEX Connecting Block, 66M1-50, 2-23 Cross-Connect Hardware, 66-Type, 2-23 Connecting Blocks, 2-4 Cross-Connect Hardware Selection, 1-8 Connecting Blocks, Connectorized Customer-Provided Alarm, Installing, 4-34 66-Type, 2-24 Customer-Provided Terminal, ADU, Connecting Blocks, Multiple-Mounted Installing, 5-45 66-Type, 2-25 Connecting Control Carrier Outputs Cable, 3-77 Connecting Trunk Pairs to the Switch Cabinet Data Modules, 3270 Installing, 5-33 Using Concentrator Cables, 3-81...
  • Page 341 External Ringing, Installing, 4-63 Installation—Non-FCC Registered Music Source ,5-19 Installing 3270 Data Modules, 5-33 F Clip Terminal Insulator, 2-22 Installing AP Interface—AT&T System 75 Only, 5-39 F-61789 Power Adapter Cord, 2-20 Installing Attendant Console, 4-24 FCC Registered Music Source, Installing, 5-19...
  • Page 342 CHAPTER 7. INDEX Installing Music-on-Hold, 5-3 Label, 574-5 Power Transfer and Control Carrier Outputs, 3-40 Installing Music-on-Hold Access, 5-16 Label, 574-5 Power Transfer Unit, 3-43 Installing Non-FCC Registered Recorded Label, Auxiliary and Control Carrier Outputs Announcement Equipment, 5-25 label, 3-36 Installing PagePac 20, 5-11 Label, Auxiliary Port and Circuit, 3-35 Installing PagePac 50/100/200, 5-14...
  • Page 343 CHAPTER 7. INDEX Loudspeaker Paging, PagePac 50/100/200, Paging Access, Loudspeaker 278A Adapter, Installing, 5-5 Installing, 5-14 Loudspeaker Paging, PagePac VS, Paging Access, Loudspeaker 89A Control Unit Installing, 5-13 Installing, 5-8 Loudspeaker Paging With Background Music, Paging, Loudspeaker Installation, 5-3 Installing, 5-20 Paging, Loudspeaker PagePac 20, Installing, 5-11 Paging, Loudspeaker PagePac 50/100/200,...
  • Page 344 CHAPTER 7. INDEX Sneak Fuse Panel, 2-34 Sneak Fuse Panel Installation, 3-63 Recorded Announcement, Digital Announcer, Installing, 5-26 STARLAN NETWORK Interface, Installing, 5-52 Recorded Announcement Equipment, Station Cable Installing, 5-22 25-Pair Sizing, 3-109 4-Pair Sizing, 3-108 Recorded Telephone Dictation Equipment, Multiple 25-Pair Sizing, 3-109 Installing, 5-32 Station Cable Circuits...
  • Page 345 CHAPTER 7. INDEX Wall Space Requirements, 3-20 Trunk Concentrator Cables, 2-39 Wall Space Requirements 110-Type T r u n k P a i r s t o S w i t c h C a b i n e t U s i n g Hardware, 3-21 Concentrator Cables, Connecting, 3-81 Wall Space Requirements for 66-Type Hardware...

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