Comtech EF Data CRS-500 - Manual (Page 203)

CRS-500 1:N Redundancy System Revision 2
Appendix B MN-CRS500
B–5
B.2.1.4 CRS-530 “J1 | System Alarms” Connector (DB-25F)
See Table B-4 for the DB-25F connector pinouts: “J1 | System
Alarms” on the CRS-530 TMI.
Table B-3. “J1 | System Alarms” Connector Pinouts
Pin Description by Mode of Operation
Pin # “Show Fault” when Switch loses power (Default) “Show No-Fault” when Switch loses power
1
Traffic Modem Online Status – Common
Common for pins 2-6 and 14-18
Unchanged
14 Traffic Modem #10 Online Status – Normally Open (Note 2)
2 Traffic Modem #9 Online Status – Normally Open (Note 2)
15 Traffic Modem #8 Online Status – Normally Open (Note 2)
3 Traffic Modem #7 Online Status – Normally Open (Note 2)
16 Traffic Modem #6 Online Status – Normally Open (Note 2)
4 Traffic Modem #5 Online Status – Normally Open (Note 2)
17 Traffic Modem #4 Online Status – Normally Open (Note 2)
5 Traffic Modem #3 Online Status – Normally Open (Note 2)
18 Traffic Modem #2 Online Status – Normally Open (Note 2)
6 Traffic Modem #1 Online Status – Normally Open (Note 2)
19 No Connection
7 Ground
20 Audio Indicator (Gnd = Auto On / Float = Audio Off)
8
Form C Fault Relay – Common
Common for pins 9-13 and 21-24
21 Switch Unit Fault – Normally Closed Switch Unit Fault – Normally Open
9 Switch Unit Fault – Normally Open Switch Unit Fault – Normally Closed
22 Modem Summary Unit Fault –Normally Closed Modem Summary Unit Fault –Normally Open
10 Modem Summary Unit Fault – Normally Open Modem Summary Unit Fault – Normally Closed
23 Modem Summary Tx Traffic Fault – Normally Closed Modem Summary Tx Traffic Fault – Normally Open
11 Modem Summary Tx Traffic Fault – Normally Open Modem Summary Tx Traffic Fault – Normally Closed
24 Modem Summary Rx Traffic Fault – Normally Closed Modem Summary Rx Traffic Fault – Normally Open
12 Modem Summary Rx Traffic Fault – Normally Open Modem Summary Rx Traffic Fault – Normally Closed
25 Modem Summary DFM Fault – Normally Closed Modem Summary DFM Fault – Normally Open
13 Modem Summary DFM Fault – Normally Open Modem Summary DFM Fault – Normally Closed
Notes:
1. “Normally” refers to the NON-FAILED state.
2. Traffic Modem Online Status (Open = Online, Closed = Backup)