Cisco BPX 8650, Installation And Configuration Manual

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31-6
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
Chapter 31 BPX Switch Cabling Summary
External Alarm Cabling
External Alarm Cabling
This cable (see Table 31-16) is for connecting network alarm outputs to the LM-ASM ALARM
OUTPUT connector only. Table 31-17
lists the pinouts for the network alarm outputs.
Table 31-13 E1 Connection 75 Ohm to EXT TMG on BCC-bc or BCC-3-bc
Connector Description
BNC Receive E1 from trunk
Table 31-14 E1 Connection 100/120 Ohm to EXT TMG on BCC-bc
Pin # Description
2 Receive pair shield
3 Receive tip
11 Receive ring
Table 31-15 E1 Connection 100/120 Ohm to EXT 1 or EXT 2 on BCC-3-bc
Pin # Description Function
1 Transmit tip Transmit T1 timing signal synchronized to the node
2 Transmit pair shield
3 Receive tip Receive clock for synchronized clock source for node
4 Receive pair shield
7 Transfer timing tip
8 Transfer timing shield
9 Transmit ring
11 Receive ring
15 Transfer timing ring
Table 31-16 External Alarm Cabling
Cable Parameter Description
Interface: Dry-contact relay closure
Wire: 24 AWG, shielded, 6-pair
Connector: DB-15, Subminiature, male