Cisco Cisco Prisma II EDR Receiver Installation Guide
78-748705-01 Rev C
Installation
2-19
Alarm I/O Connections,
Continued
Chassis
Slot
ALARMS OUT
Pin #
Backplane
Name
Function
11
11
CNT_OUT11_1 Alarm state
30
CNT_OUT11_2 Module dependent
12
12
CNT_OUT12_1 Alarm state
31
CNT_OUT12_2 Module dependent
13
13
CNT_OUT13_1 Alarm state
32
CNT_OUT13_2 Module dependent
14
14
CNT_OUT14_1 Alarm state
33
CNT_OUT14_2 Module dependent
15
15
CNT_OUT15_1 Alarm state
34
CNT_OUT15_2 Module dependent
16
16
CNT_OUT16_1 Alarm state
35
CNT_OUT16_2 Module dependent
N/A
1, 17, 18, 19,
20, 36, 37
Not used
N/A
Notes:
•
•
Return path for all connections is chassis ground
•
Alarm state indications:
−
−
Normal (with module installed): closed to ground
−
Critical alarm (or module not installed): open to ground
•
Alarm relay rating: 2A 30 V DC (resistive)