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Nortel SONET AccessNode Quick Reference Manual

Abm bay cable connection
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P0887749
SONET Products
AccessNode
Front cover
ABM Bay Cable Connection Quick Reference
Guide
Issue 1.0 February 1999

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Summary of Contents for Nortel SONET AccessNode

  • Page 1 P0887749 SONET Products AccessNode Front cover ABM Bay Cable Connection Quick Reference Guide Issue 1.0 February 1999...
  • Page 3 ACCESSNODE, NORTEL, and NORTEL NETWORKS are trademarks of Northern Telecom. AccessNode ABM Bay Cable Connection Quick Reference Guide Issue 1.0...
  • Page 5 First, right, odd Publication history February 1999 Release-independent Standard Issue 1.0 of the document. Note: With the February 1999 release, references to the software release number (such as AN15 or AN16) have been deleted, making this document release-independent. This document will be rereleased only when technical changes occur.
  • Page 6 Left even AccessNode ABM Bay Cable Connection Quick Reference Guide Issue 1.0...

  • Page 7: Table Of Contents

    First, right, odd Contents About this document Audience vii Related documentation vii ABM bay ac power requirements AC power grounding environments 1-1 AC power feed requirements 1-1 Utility receptacles (ac) 1-2 Receptacles (ac) in a CBN 1-2 Receptacles (ac) in an IBN 1-2 ABM bay grounding schemes Grounding schemes 2-1 Central office CBN engineering rules 2-2...
  • Page 8 ABM bay connections Left even ABM bay intershelf and external cabling connections 4-1 ABM bay intershelf cabling connections 4-2 ABM bay external cabling connections 4-5 Index AccessNode P0887749 Issue 1.0...

  • Page 9: About This Document

    First, right, odd About this document This document presents the essential cabling and connection information for access bandwidth manager (ABM) bays in all configurations. It is a quick reference to help installers in planning the installation of an ABM bay. Note: This document should be used to support the Bay in Central Office Installation Manual - ABM , 323-3001-201, in the AccessNode documentation suite (separately bound).
  • Page 10 viii AccessNode Express volume, separately bound Left even • AccessNode Express Customer Ordering Guide , 323-3051-032 • AccessNode Express Configuration and Equipment Description , 323-3051-100 AccessNode P0887749 Issue 1.0...
  • Page 11 The ABM bay can be used in both isolated bonding network (IBN) and common bonding network (CBN) grounding environments. For CBN environments, Nortel Networks recommends that you use a dedicated ac panel for feeding communication equipment and utility receptacles. For IBN grounding environments, you must use a dedicated ac panel for feeding communication equipment and utility receptacles.

  • Page 12: 1-2 Abm Bay Ac Power Requirements

    Figure 1-1 on page 1-3. Receptacles (ac) in an IBN In an IBN, Nortel Networks recommends that you bond the utility receptacles that are mounted on the bays to the single point ground (SPG). Also, you should bond receptacles that are mounted on the walls of the installation room within 2 m (7 ft) of the bays to the SPG.
  • Page 13 ABM bay ac power requirements 1-3 Figure 1-1 Right odd CBN ac power distribution and utility receptacle ground wiring scheme Unless otherwise specified by the operating company or by local codes, the receptacles are standard 3-conductor receptacles and the receptacle boxes are not insulated from frame ground.
  • Page 14 1-4 ABM bay ac power requirements Figure 1-2 Left even IBN ac power distribution and utility receptacle ground wiring scheme Isolated bonding network Unless otherwise specified by the operating company or by local codes, the receptacles are standard 3-conductor receptacles and the receptacle boxes are Isolated ground not insulated from frame ground.

  • Page 15: Abm Bay Grounding Schemes

    First, right, odd ABM bay grounding schemes This chapter describes grounding schemes for an access bandwidth manager (ABM) bay. Note: For complete information about the grounding requirements of the ABM bay, see “Power and ground distribution” in Site Installation Planning and Engineering , 323-3001-200, in the Engineering, Configuration, and Ordering Guide , Volume 1.

  • Page 16: Central Office Cbn Engineering Rules

    2-2 ABM bay grounding schemes Central office CBN engineering rules Left even The following engineering rules and requirements apply to central office CBN grounding schemes as shown in Figure 2-1 on page 2-3: • A modem is needed if the distance to the AccessNode terminal is more than 50 ft, if the AccessNode is located in an IBN, or if the AccessNode is in located in a different CBN.
  • Page 17 ABM bay grounding schemes 2-3 Figure 2-1 Right odd Central office common bonding network grounding scheme RS-232 Modem (see eng. rules) DSX- AccessNode VF lines cross- DS1 cables (see eng. rules) connect Same line-up 6 AWG frame 6 AWG frame ground lead ground lead 2 AWG...

  • Page 18: Remote Cbn Engineering Rules

    2-4 ABM bay grounding schemes Remote CBN engineering rules Left even The following engineering rules and requirements apply to remote CBN grounding schemes as shown in Figure 2-2 on page 2-5: • The transmit DS1 cable from the DSX-1 is grounded at the DSX-1. The DSX-1 receive DS1 cable is grounded at the AccessNode.
  • Page 19 ABM bay grounding schemes 2-5 Figure 2-2 Right odd Remote common bonding network grounding scheme Continuous pair (feed and return) conductors. One of four pairs shown Same lineup Insulated BR bus AccessNode DSX-1 VF lines DS1 cables (see eng. rules) BDFB Battery return leads (4) (see eng.

  • Page 20: Central Office Ibn Engineering Rules

    2-6 ABM bay grounding schemes Central office IBN engineering rules Left even The following engineering rules and requirements apply to central office IBN grounding schemes as shown in Figure 2-3 on page 2-7: • A modem is needed if the distance to the AccessNode terminal is more than 50 ft, if the AccessNode is located in a CBN, or if the AccessNode is in located in a different IBN.
  • Page 21 ABM bay grounding schemes 2-7 Figure 2-3 Right odd Central office isolated bonding network grounding scheme Isolated bonding network Modem (see eng.rules) DSX-1 AccessNode VF lines cross-connect DS1 cables panel (see eng. rules) 6 AWG 6 AWG 2 AWG 2 AWG frame frame ground bus...

  • Page 22: Remote Ibn Engineering Rules

    2-8 ABM bay grounding schemes Remote IBN engineering rules Left even The following engineering rules and requirements apply to remote IBN grounding schemes as shown in Figure 2-4 on page 2-9: • The transmit DS1 cable coming from the DSX-1 cross-connect is grounded at the DSX-1.
  • Page 23 ABM bay grounding schemes 2-9 Figure 2-4 Right odd Remote isolated bonding network grounding scheme Isolated bonding network Continuous pair (feed and return) conductors. One of four pairs shown. Same lineup Insulated BR bus DS1 cables AccessNode DSX-1 (see eng. rules) Battery return 6 AWG leads (4)

  • Page 24: Abm Bay Frame Ground

    2-10 ABM bay grounding schemes ABM bay frame ground Left even The ground wire used for the ABM bay frame ground must be a 6 AWG conductor with green colored insulation, connectorized at one end with a crimp-type two-hole lug as shown in Figure 2-5. The ABM bay frame ground attaches to the top of the ABM bay as shown in Figure 2-6.

  • Page 25: Abm Bay Dc Power Requirements And Connection

    First, right, odd ABM bay dc power requirements and connection This chapter describes the dc power requirements for the access bandwidth manager (ABM) bay. Note: For complete information on the ac power requirements of the ABM bay, see Site Installation Planning and Engineering , 323-3001-200 in the Engineering, Configuration, and Ordering Guide , Volume 1.

  • Page 26: Calculating Capacitor Values

    BDFB. Main power cables for ABM bays Nortel Networks manufactures main power cables with a length of 10.7 m (35 ft). The cables are preconnectorized at one end for connection to the breaker interface panel (BIP) of the AccessNode equipment. Longer cables are the responsibility of the customer.

  • Page 27: Nt4K84Ua Main Power Cable (4 Cables For Each Bay)

    ABM bay dc power requirements and connection 3-3 NT4K84UA main power cable (4 cables for each bay) Right odd Each cable consists of two 6 AWG stranded conductors (red battery and white return), in an overall jacket, 10.6 m (35 ft) in length, and connectorized at one end for connection to the BIP.

  • Page 28: Power Redundancy In Bays Equipped With Abm Shelves

    3-4 ABM bay dc power requirements and connection Figure 3-2 Left even DC power connection to the right side of the BIP FW-11105 Preform cable before attempting to connect it FW-11105 right side Battery (red) Return (white or black) Note: Do not allow cable to extend beyond the edge of the bay upright. Power redundancy in bays equipped with ABM shelves As shown in Figure 3-3, feeds 1 and 2 serve the common-equipment shelf with redundancy, and feeds 3 and 4 serve the cooling unit with redundancy.
  • Page 29 ABM bay dc power requirements and connection 3-5 Figure 3-3 Right odd BIP power input and distribution schematic for bays equipped with ABM shelves 2 -48 V dc battery 6 AWG 15 A Common-equipment shelf * 15 A Copper-distribution shelf 1 15 A 30 A rating Copper-distribution shelf 3...
  • Page 30 3-6 ABM bay dc power requirements and connection Left even AccessNode P0887749 Issue 1.0...
  • Page 31 (ABM) bays in an AccessNode system. ABM bay intershelf and external cabling connections Nortel Networks classifies all cabling connections in the ABM bay as either intershelf or external. Intershelf cabling in the ABM bay is installed in the factory. You should only have to deal with intershelf cabling if you are replacing a component or doing maintenance troubleshooting.
  • Page 32 4-2 ABM bay connections ABM bay intershelf cabling connections Left even Table 4-1 describes the intershelf connections and cabling used in the ABM bay. Figure 4-1 on page 4-4 shows a schematic diagram of these connections. Table 4-1 ABM bay intershelf connections Connection/Cable From Breaker interface panel...
  • Page 33 ABM bay connections 4-3 Table 4-1 (continued) Right odd ABM bay intershelf connections Connection/Cable From CDS VT & D links / CDS 1A/B to CDS 7A/B CDS A and CDS B connectors on NT4K82BA and (J01 to J14) on ABM CDS #1-7.
  • Page 34 4-4 ABM bay connections Figure 4-1 Left even Intershelf cable connections for ABM bays FW-10203 NT4K84JA power NT4K84JB power FW-10203 distribution cable distribution cable harness harness 1 2 3 4 5 6 7 CDS 7 6 5 4 3 2 1 To CDS To CDS NT4K85KA...
  • Page 35 ABM bay connections 4-5 ABM bay external cabling connections Right odd Table 4-2 describes the external connections and cabling used in the ABM bay. Figure 4-2 on page 4-8 shows a schematic diagram of these connections. Table 4-2 ABM bay external connections Connection/Cable From Main power /...
  • Page 36 4-6 ABM bay connections Table 4-2 (continued) Left even ABM bay external connections Connection/Cable From Orderwire extension / Orderwire Extension Orderwire office equipment. NT4K85CA-CF (J04) connector on the ABM shelf SIL BIP wire-wrap external BIP wire-wrap block Customer-selected external connections / equipment for alarms, parallel Note: See Figure 4-3 on Customer-provided...
  • Page 37 ABM bay connections 4-7 Table 4-2 (continued) Right odd ABM bay external connections Connection/Cable From OC-3 or OC-12 optic I/O connectors on the Fiber optic cross-connect fiber / front faceplate of the NT7E46/47AA-AE - OC-3 or OC-12 biconic connectors multiplexer NT7E46/47BA-BE - FC connectors NT7E46/47CA-CE -...
  • Page 38 4-8 ABM bay connections Figure 4-2 Left even External cable connections for ABM bays FW-10205 To battery To battery distribution frame FW-10205 distribution frame To office alarms, orderwire NT4K84UA NT4K84UA and parallel telemetry equipment main power cable main power cable Ret 3 (+) Batt 3 (-) Ret 4 (+) Batt 4 (-) Ret 2 (+) Batt 2 (-)
  • Page 39 ABM bay connections 4-9 Figure 4-3 Right odd Pinout details of wire-wrap pins on the BIP E2A In 01 return E2A In 02 return E2A In 01 E2A In 02 E2A In 04 return E2A In 03 return E2A In 03 E2A In 04 E2A In 05 return E2A In 06 return...
  • Page 40 4-10 ABM bay connections Figure 4-4 Left even ABM shelf layout DS1 and DS3 input/out (I/O) card section Input/Out (I/O) card section 54 55 Common equipment card section 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Feeder Tributary slots 1-8 Side...
  • Page 41 ABM bay connections 4-11 Figure 4-5 Right odd ABM side interconnect left connectors FW-15590_DDW Side interconnect left FW-15590 BIP CTL NT4K85SA BIP control cable (factory) (J13) Ext sync IF NT4K86EA external synchronization (not used) (J12) NT4K84FA parallel telem. cable to PDU (factory) Parallel telemetry (J11)
  • Page 42 4-12 ABM bay connections Figure 4-6 Left even ABM shelf side interconnect right connectors FW-15176 Side interconnect right FW-15176 NT1W82DC VT & D links 1 & 2 plane A cable CDS 1A (J01) CDS 1B NT1W82DC VT & D links 1 & 2 plane B cable (J02) CDS 2A NT1W82DD VT &...
  • Page 43 First, right, odd Index Capacitor calculating values 3-2 Central office dedicated ac panel 1-1 building point ground 2-2 power requirements 1-1 Common bonding network 2-1; 3-2 receptacles with CBN 1-2 in central office locations 2-1 receptacles with IBN 1-2 in remote locations 2-1 utility receptacles 1-2 common bonding network 1-1 Connector...
  • Page 44 Index left even Isolated bonding network (continued) engineering rules 2-6 Feed cable size 1-1 in central office locations 2-1 Floor ground bar in remote locations 2-1 grounding 2-2; 2-4 Frame ground wire 2-10 Lightning 3-1 Ground wire Main distribution frame bay frame 2-10 grounding 2-2;...
  • Page 45 Index right odd Single point ground in small buildings 2-6; 2-8 Subscriber line grounding 2-2; 2-4; 2-6; 2-8 Transient current 2-1 Transient voltage 3-1 Transmit DS1 cable grounding rule 2-2; 2-4; 2-6; 2-8 Utility receptacle 1-2 Voltage drop 3-4 AccessNode ABM Bay Cable Connection Quick Reference Guide Issue 1.0...
  • Page 46 5-4 Index Left even AccessNode ABM Bay Cable Connection Quick Reference Guide Issue 1.0...
  • Page 48 Northern Telecom reserves the right to make changes to equipment design or program components, as progress in engineering, manufacturing methods, or other circumstances may warrant ACCESSNODE, NORTEL, and NORTEL NETWORKS are trademarks of Northern Telecom. Document release: Issue 1.0 Date: February 1999...

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