Nortel Networks NN43001-301 Install NTBK51 Ddch on NT5D12 dual-port DTI/PRI, Service Interruption

Install NTBK51 DDCH on NT5D12 dual-port DTI/PRI 93

CAUTION

A static discharge bracelet must be worn before handling circuit cards. Failure to wear the bracelet can result in damage to the circuit cards.

The NTBK51 can only be removed when it is disabled in software. Both ports of the associated DDP2 card must be disabled. Follow the steps in Procedure 6 "Remove the NTBK51 from the NT5D97 dual-port DTI2/PRI2 card" (page 93) to remove the NTBK51 from the NT5D97 dual-port DTI2/PRI2 card.

Procedure 6

Remove the NTBK51 from the NT5D97 dual-port DTI2/PRI2 card

Step Action

1Set the DDP2 ENB/DIS faceplate switch to Disable (OFF).

2Remove the DDP2 and the DDCH.

—End—

Install NTBK51 DDCH on NT5D12 dual-port DTI/PRI

Installation procedures for the NTBK51 DDCH are the same for all Large Systems.

Set the address for the DDCH (see the switch settings section to set the address). If a DDCH is present on a DDP card then an external D-channel should not be connected to J6. If a DDCH is present, the LED "DCH" lights up.

CAUTION

Service Interruption

A static discharge bracelet must be worn before handling circuit cards. Failure to wear the bracelet can result in damage to the circuit cards.

The DDCH can be mounted on any DDP card. Follow the steps in Procedure 7 "Install the NTBK51 DDCH on the NT5D12 dual-port DTI/PRI" (page 94) to install the NTBK51 on the NT5D12 dual-port DTI/PRI card.

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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