1-59
Cisco ONS 15454 Reference Manual, R8.5.x
78-18106-01
Chapter 1 Shelf and Backplane Hardware
1.12.1 Wire-Wrap and Pin Connections
Figure 1-38 Alarm Input Circuit Diagram
Table 1-25 lists the connections to the external alarm sources.
78473
Station
48 V
max. 2 mA
AEP/AIE
GND
VBAT–
VBAT–
Input 1
Input 48
Table 1-25 Alarm Input Pin Association
AMP Champ
Pin Number Signal Name
AMP Champ
Pin Number Signal Name
1 ALARM_IN_1– 27 GND
2 GND 28 ALARM_IN_2–
3 ALARM_IN_3– 29 ALARM_IN_4–
4 ALARM_IN_5– 30 GND
5 GND 31 ALARM_IN_6–
6 ALARM_IN_7– 32 ALARM_IN_8–
7 ALARM_IN_9– 33 GND
8 GND 34 ALARM_IN_10–
9 ALARM_IN_11– 35 ALARM_IN_12–
10 ALARM_IN_13– 36 GND
11 GND 37 ALARM_IN_14–
12 ALARM_IN_15– 38 ALARM_IN_16–
13 ALARM_IN_17– 39 GND
14 GND 40 ALARM_IN_18–
15 ALARM_IN_19– 41 ALARM_IN_20–
16 ALARM_IN_21– 42 GND
17 GND 43 ALARM_IN_22–
18 ALARM_IN_23– 44 ALARM_IN_24–
19 ALARM_IN_25– 45 GND