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Northern Telecom Meridian SL-1 Installation Manual

1.5 mb/s remote peripheral equipment cabinet
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Download this manual See also: Reference Manual, Installation Manual
Integrated Services Network
Meridian SL-1*
QCA144 1.5 MB/S Remote Peripheral
Equipment Cabinet
Publication number: Appendix 1 to 553-2601-200
Document Status: Standard
Date: 88 06 10
Description, Installation and Testing
©
1987 Northern Telecom
All rights reserved.
* Meridian and SL-1 are trademarks of Northern Telecom Limited
Appendix 1 to 553-2601-200

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  • Page 1 Integrated Services Network Meridian SL-1* QCA144 1.5 MB/S Remote Peripheral Equipment Cabinet Publication number: Appendix 1 to 553-2601-200 Document Status: Standard Date: 88 06 10 Description, Installation and Testing © 1987 Northern Telecom All rights reserved. * Meridian and SL-1 are trademarks of Northern Telecom Limited...

  • Page 2: Table Of Contents

    Contents 1. Description Remote Peripheral Equipment (RPE) QCA144 RPE cabinet Expansion shelves Power converters Power line cords Reserve batteries Cooling units Built-in cross connect terminal 2 Installation and connections Environment Grounding Option and switch settings on circuit packs Installation Figure 1-1 Front View QCA144 RPE Cabinet 1-2 Front View Typical Common Equipment (CE) Cabinet 2-1 Ground Connection and Tests...
  • Page 3 Contents 2-10 Expansion Battery Unit Connections 2-11 P10 Cable Terminations and Designations 2-12 Cabinet Top Assembly 2-13 Cooling Unit Location and Connections 2-14 QBL15 Battery Distribution Box 2-15 Reserve Power Connections Outside Cabinet 2-16 Battery Sensing and Monitoring Connections 2-17 Local-To-Remote Cross-Connections Charts 2-10 QBL15 Battery Distribution Box Installation Tables...

  • Page 4: Description

    Expansion shelves 1.04 QSD69 RPE shelf. at the Main Meridian SL-1 location in a QCA136 or QCA141 CE equipment cabinet (Fig. 1-2) or in a QCA144 RPE cabinet at the remote location. The RPE shelf assembly is designed to contain all the RPE related circuit packs required to operate two network loops.

  • Page 5: Power Converters

    Description 1.05 QSD66 PE expansion shelf. used to expand a QCA144 RPE cabinet to a two- or three-tier cabinet. The QSD66 is equipped with two PE shelves each capable of accommodating eight line circuit packs and one peripheral buffer circuit pack. Note: Although the QSD66 PE expansion shelf provides dual-loop capabilities, the shelf can only be used in a single-loop mode when operating with RPE.

  • Page 6: Reserve Batteries

    Reserve batteries 1.10 be connected to the cabinet when service is required during commercial power failures. 1.11 QBL15 battery distribution box and a QCAD321 junction box assembly. Cooling units 1.12 required in cabinets equipped with three tiers. Built-in cross connect terminal 1.13 block system is available with cabinets equipped for suppression of EMI.
  • Page 7 Description Figure 1-1 Front View QCA144 RPE Cabinet Note: This position can be equipped with an RPE shelf when additional RPE network loops are required. (III.553-1266) Appendix 1 to 553-2601-200...
  • Page 8 Figure 1-2 Front View Typical Common Equipment (CE) Cabinet Note: This position can be equipped with a QSD69 RPE shelf when additional RPE network loops are required. (III.553-1267) Description 1-5 Appendix 1 to 553-2601-200...

  • Page 9: Installation And Connections

    Meridian SL-1. The location should be clean, dry and protected from extreme heat or cold. The operating environment described in 553-2YY1- 200 for the location of the main Meridian SL-1 should be used as a guide when installing the QCA144 RPE cabinet.
  • Page 10 Installation and connections 2.05 installing an additional QSD66 PE or QSD69 RPE shelf assembly in an existing QCA144 RPE cabinet. 2.06 installing a QBL24 Battery Unit. 2.07 installing an expansion QBL24 Battery Unit. 2.08 installing a QUA6 Power Fail Transfer Unit (PFTU). 2.09 installing alarm and transfer wiring (P10).
  • Page 11 Chart 2-1 QCA RPE CABINET INSTALLATION STEP PROCEDURE Transport the cabinet as close as possible to its final location. Transport the remaining equipment to a convenient safe dry location. Unpack and inspect the cabinet. Remove cabinet from pallet and place on floor. If casters are provided, tilt the cabinet and replace the levellers on the cabinet with four casters.
  • Page 12 Installation and connections Chart 2-1 Continued QCA RPE CABINET INSTALLATION STEP PROCEDURE If required, install reserve battery unit as described in Chart 2-3. If cabinet is not equipped with a built-in cross connect terminal, install connecting blocks at cross-connect terminal. A typical wall-mounted terminal block layout is shown in Fig.

  • Page 13: Figure

    Installation and connections 2-5 Figure 2-1 Ground Connection and Tests Appendix 1 to 553-2601-200...

  • Page 14: Typical Terminal Block Layout

    Installation and connections Figure 2-2 Typical Terminal Block Layout Appendix 1 to 553-2601-200...

  • Page 15: Built-In Cross Connect Terminal Layout

    Installation and connections 2-7 Figure 2-3 Built-in Cross Connect Terminal Layout Appendix 1 to 553-2601-200...

  • Page 16: Rpe Cables C And D Cross Connections

    Installation and connections Figure 2-4 RPE Cables C and D Cross Connections Appendix 1 to 553-2601-200...

  • Page 17: Front View Of Rpe Cabinet

    Installation and connections 2-9 Figure 2-5 Front View of RPE Cabinet Appendix 1 to 553-2601-200...

  • Page 18: Peripheral Equipment Cable Terminating Sequence

    2-10 Installation and connections Table 2-A PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...
  • Page 19 Installation and connections 2-11 Table 2-A Continued PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...
  • Page 20 2-12 Installation and connections Table 2-A Continued PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...
  • Page 21 Installation and connections 2-13 Table 2-A Continued PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...
  • Page 22 2-14 Installation and connections Table 2-A Continued PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...
  • Page 23 Installation and connections 2-15 Table 2-A Continued PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...
  • Page 24 2-16 Installation and connections Table 2-A Continued PERIPHERAL EQUIPMENT CABLE TERMINATING SEQUENCE Appendix 1 to 553-2601-200...

  • Page 25: Qsd66 Or Qsd69 Expansion Shelf Installation

    Chart 2-2 QSD66 OR QSD69 EXPANSION SHELF INSTALLATION STEP PROCEDURE Remove screws securing front and rear cabinet covers and remove covers. If the cabinet is equipped with EMI shields, set the CAB INP breaker on the QUX19 to OFF. Set the input breakers on the QUX20 unit (if equipped) for the new shelf to OFF. Note: The designations on the breakers located on the QUX20 unit correspond to connectors PE2 through PE5 on the QCAD276 and QCAD277 power cables.
  • Page 26 2-18 Installation and connections Chart 2-2 Continued QSD66 OR QSD69 EXPANSION SHELF INSTALLATION STEP PROCEDURE Reinstall the two cabinet side panels by sliding them down in the grooves located in the uprights at each end of the cabinet. The flange on the side panels should be positioned at the top facing towards the inside of the cabinet.
  • Page 27 Chart 2-2 Continued QSD66 OR QSD69 EXPANSION SHELF INSTALLATION STEP PROCEDURE • White leads equipped with ring connections to the GRD1 lug on the ground bus. • The red lead designated 2 equipped with a spade connector to TB5 terminal 2 at the rear of the QUX20 unit.
  • Page 28 2-20 Installation and connections Chart 2-2 Continued QSD66 OR QSD69 EXPANSION SHELF INSTALLATION STEP PROCEDURE If this is an operating cabinet, set the CAB INP breaker on the QUX19 unit to ON to restore service to the cabinet. Install circuit packs in assigned positions in new shelf (Fig. 2-5). If cabinet is not equipped with a built-in cross connect terminal (Fig.

  • Page 29: Shelf Assembly

    Installation and connections 2-21 Figure 2-6 Shelf Assembly Appendix 1 to 553-2601-200...

  • Page 30: Rear View Of Cabinet

    2-22 Installation and connections Figure 2-7 Rear View of Cabinet Appendix 1 to 553-2601-200...

  • Page 31: Charts

    Chart 2-3 QBL24 BATTERY UNIT INSTALLATION (MAIN UNIT) When adding batteries to a cabinet ensure that the cabinet is connected to a 220 V 20A or 110 V 30A ac power supply. Service is interrupted when adding batteries to an operating cabinet. Caution: Do not add batteries to a cabinet connected to a 110 V 15A power supply.
  • Page 32 2-24 Installation and connections Chart 2-3 Continued QBL24 BATTERY UNIT INSTALLATION (MAIN UNIT) STEP PROCEDURE If not previously disconnected, disconnect the power line cord from the commercial power supply. Remove the EMI shield (if equipped) from the bottom rear of the cabinet. Remove the lock nut from the 90°...
  • Page 33 Chart 2-3 Continued QBL24 BATTERY UNIT INSTALLATION (MAIN UNIT) STEP PROCEDURE Install cover on QBL24 battery unit and secure with locking screws. Set all breakers on the front of the QUX19 and QUX20 power distribution units to the OFF position. Connect the power line cord to the commercial power supply.

  • Page 34: Expansion Qbl24 Battery Unit Installation

    2-26 Installation and connections Chart 2-4 EXPANSION QBL-24 BATTERY UNIT INSTALLATION STEP PROCEDURE Set the breaker on the front of the QBL24 unit to OFF. Remove cover from the QBL24 unit by loosening the captive screws on top of the unit. Unpack batteries and place in unit as shown in Fig.
  • Page 35 Chart 2-4 Continued EXPANSION QBL-24 BATTERY UNIT INSTALLATION STEP PROCEDURE Insert the wires through the lock nut and secure elbow to cabinet. Connect wiring from expansion QBL24 battery unit to the main QBL24 unit as follows (Fig. 2-10). • Connect the green to lug 2 at the front of the unit. •...
  • Page 36 2-28 Installation and connections Figure 2-8 Battery Cell Connections Appendix 1 to 553-2601-200...

  • Page 37: Reserve Power Supply Connections

    Installation and connections 2-29 Figure 2-9 Reserve Power Supply Connections Appendix 1 to 553-2601-200...

  • Page 38: Expansion Battery Unit Connections

    2-30 Installation and connections Figure 2-10 Expansion Battery Unit Connections Appendix 1 to 553-2601-200...

  • Page 39: Qua6 Power Fail Transfer Unit (Pftu) Installation

    Remove the QUA6 unit from its container. Mount the unit (preferably on a wall if cabinet is not equipped with a built-in cross connect terminal) near the Meridian SL-1 cross connect terminal and secure with four screws. Install an NE-A25B-type cable from connector J1 on the QUA6 unit to a connecting block reserved for PFJ1 cables at the cross-connect terminal.

  • Page 40: Alarm And Transfer Wiring (P10) Installation

    2-32 Installation and connections Chart 2-6 ALARM AND TRANSFER WIRING (P10) INSTALLATION P10 wiring in cabinets equipped with a built-in cross connect terminal is terminated on the lower right set of blocks mounted on the rear of the cabinet. This chart describes the method of extending the P10 wiring to an external cross connect terminal.
  • Page 41 Chart 2-6 Continued ALARM AND TRANSFER WIRING (P10) INSTALLATION STEP PROCEDURE • Terminate the black wire associated with the white wire and designate as XPE. • Terminate the black wire associated with the red wire and designate as CPE. • Store the braided wire (connected only in the cabinet to suppress EMI). Terminate and designate cable 2 (if provided) at the cross connect terminal as follows (Fig.

  • Page 42: Pfj1 Emergency Transfer Cable Cross-Connections

    2-34 Installation and connections Table 2-B PFJ1 Emergency Transfer Cable Cross-Connections Appendix 1 to 553-2601-200...

  • Page 43: P10 Cable Terminations And Designations

    Installation and connections 2-35 Fig. 2-11 P10 Cable Terminations and Designations Appendix 1 to 553-2601-200...

  • Page 44: Qpc705 Power Converter Installation

    2-36 Installation and connections Chart 2-7 QPC705 POWER CONVERTER INSTALLATION The QPC705 power converter mounts in the slot between the QUAA3 power unit and the QUX19 power distribution unit. A QCAD278 cable is required to connect the QPC705 power converter. STEP PROCEDURE Remove the lower front and rear cabinet panels.
  • Page 45 Installation and connections 2-37 Reinstall the EMI shield and cabinet cover (if required). Appendix 1 to 553-2601-200...

  • Page 46: Cabinet Top Assembly

    2-38 Installation and connections Chart 2-8 QUD24 FAN UNIT INSTALLATION STEP PROCEDURE If not previously removed, remove the lower front and top rear covers. Remove screws securing cabinet top assembly and remove assembly and louvers (Fig. 2-12). Position QUD24 cooling units in their assigned location on the cabinet top panel and secure with mounting screws (Fig.
  • Page 47 Installation and connections 2-39 Figure 2-12 Cabinet Top Assembly Appendix 1 to 553-2601-200...

  • Page 48: Cooling Unit Location And Connections

    2-40 Installation and connections Figure 2-13 Cooling Unit Location and Connections Appendix 1 to 553-2601-200...

  • Page 49: Qcad321 Junction Box Assembly Installation

    Chart 2-9 QCAD321 JUNCTION BOX ASSEMBLY INSTALLATION The QCAD321 junction box assembly is equipped with power and control wiring enclosed in a flexible conduit 5.5 ft (1675 mm) long. The junction box should be installed on the floor or on the wall within 5 ft (1525 mm) of the cabinet.
  • Page 50 2-42 Installation and connections Chart 2-9 Continued QCAD321 JUNCTION BOX ASSEMBLY INSTALLATION STEP PROCEDURE Insert the wires through the lock nut and secure the 90° elbow to the cabinet. Ensure that the locking teeth on the nut are facing downward against the cabinet metal. If previously removed, reinstall the SDI port.
  • Page 51 Chart 2-9 Continued QCAD321 JUNCTION BOX ASSEMBLY INSTALLATION STEP PROCEDURE Note: Use one 4 AWG wire for distances up to 100 ft (30m). Use two 4 AWG wires for distances of 100 to a maximum of 200 ft (20 to 60 m). Terminal 2 of terminal block TB1 in the junction box is reserved for a second 4 AWG wire.
  • Page 52 2-44 Installation and connections Chart 2-9 Continued QCAD321 JUNCTION BOX ASSEMBLY INSTALLATION STEP PROCEDURE Insert the previously removed DISCHARGE fuse in the QBL15 battery distribution box (Fig. 2-14). Connect the power line cord to the commercial ac power supply. Set breakers to ON in the cabinet in the following order: a) CAB INP breaker on the QUX19 or QUX21 power distribution unit (whichever is equipped).

  • Page 53: Qbl15 Battery Distribution Box Installation

    Chart 2-10 QBL15 BATTERY DISTRIBUTION BOX INSTALLATION The QBL15 battery distribution box should be located on the wall near the Meridian SL-1 cabinet to readily enable viewing of meters and LED indicators on the front of the unit. When suppression of Electromagnetic Interference (EMI) is a requirement, power and alarm wiring should be run in metallic conduit between the QBL15 battery distribution box and the QCAD321 junction box assembly.
  • Page 54 2-46 Installation and connections Figure 2-14 QBL15 Battery Distribution Box QBL15 Appendix 1 to 553-2601-200...

  • Page 55: Reserve Power Connections Outside Cabinet

    Installation and connections 2-47 Figure 2-15 Reserve Power Connections Outside Cabinet Appendix 1 to 553-2601-200...

  • Page 56: Battery Sensing And Monitoring Connections

    2-48 Installation and connections Figure 2-16 Battery Sensing and Monitoring Connections Appendix 1 to 553-2601-200...

  • Page 57: Local-To-Remote Cross-Connections

    Installation and connections 2-49 Figure 2-17 Local-To-Remote Cross-Connections Appendix 1 to 553-2601-200...

  • Page 58: Cable C Designations (Receive) Local And Remote

    2-50 Installation and connections Table 2-C Cable C Designations (Receive) Local and Remote Carrier Network Loop Note: These leads are grounded in the carrier shelf when cable connectors C and D are installed in jacks C and D. They are cut off at the MDF when cables C and D go directly to an MDF.

  • Page 59: Cable D Designations (Transmit) Local And Remote

    Meridian SL-1 cross-connect terminal, they are terminated at that terminal and extended to the MDF. These leads are then cut off at the MDF. Table 2-D Cable D Designations (Transmit) Local and Remote Carrier Network Loop Note: These leads are grounded in the carrier shelf when cable connectors C and D are installed in jacks C and D.
  • Page 60 MDF. When cables C and D go to an intermediate cross-connect terminal, such as a Meridian SL-1 cross-connect terminal, they are terminated at that terminal and extended to the MDF. These leads are then cut off at the MDF.
  • Page 61 Integrated Services Network Meridian SL-1* QCA144 1.5 MB/S Remote Peripheral Equipment Cabinet Description, Installation and Testing Copyright © 1987 Northern Telecom All rights reserved. Information subject to change without notice. *Meridian and SL-1 are trademarks of Nothern Telecom Limited Release 2.0...

  • Page 62: Copyright Statement

    Family Product Manual Contacts Copyright FCC notice Trademarks Document number Product release Document release Date Publish Copyright Statement © 1998 Northern Telecom All rights reserved Information is subject to change without notice. Northern Telecom reserves the right to make changes in design or components as progress in engineering and manufacturing may warrant.

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