Cpu1 cabling, 2 cpu1 cabling – Nortel Networks DCT1900 User Manual

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Technical Product Manual - DCT1900

Installation Instructions, Modular Cabinet – CPU Cabling

20-2

Install-DCT1900/R8/mw

20.2

CPU1 Cabling

Fig. 20-1 Connections to the CPU1

Connections to the MCCB
1.

Remove the tie-wrap that is holding the CPU/MCCB serial connection cable (TSRNB 101 26)
and the general alarm cable (TSRNB 101 28) together. Both cables are already connected to
the MCCB.

Connect the CPU/MCCB serial connection cable (TSRNB 101 26) to the Printer and PC port
on the CPU (see Figure 20-1).

Connect the General Alarm cable (TSRNB 101 28) to the General Alarm port on the CPU.

Printer port
RS232-A
PC port
RS232-B

General Alarm port

To CPU/MCCB
Serial Connection cable
(TSRNB 101 26)

To General Alarm cable
(TSRNB 101 28)

Sync out 1

Sync in

Sync out 2

Sync out 3

To 4x CPU/SDB
Twisted Pair Sync cables
(TSRNB 101 48), refer to Figure 1-2.

Not used

Refer to Figure 20-2