Installation guide

A-50
Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases
OL-1165-06
Appendix A System Specifications
Cabling Summary
External Alarm Cabling
This cable connects network alarm outputs to either the DTI Faceplate or the ARI card alarm connector.
Table A-50 lists particulars for the physical interface. Table A-51 lists the pinouts for the network alarm
outputs. In Table A-51, note that pins whose names end in “A” are normally open, and pins whose names
end in “C” are common.
11 External Clk 2-B
4 Shield ground pair 1
5 8.192 MHz test output (factory use
only)
Table A-49 External Clock Connector Pin Assignments (continued)
Pin No. Description
Table A-50 External Alarm Cabling
Parameter Description
Interface Dry-contact relay closure
Wire 24 AWG, shielded, 10 pairs
Connector DB-37, subminiature, male
Table A-51 External Alarm Connector Pin Assignments
Pin No. Name Description
1 CHASSIS Chassis ground
2Reserved
3 NWMAJA Network major alarm
4 NWMAJC Network major alarm
5Reserved
6Reserved
7Reserved
8Reserved
9Reserved
10 MNVISA Minor visual alarm
11 Reserved
12 MNVISC Minor visual alarm
13 Reserved
14 Unused
15 Unused
16 MJAUDC Major audible alarm
17 MJAUDA Major audible alarm