User's Manual

Corning Optical Communications User Manual I CMA-336-AEN I Page 53
3.4.5 External Alarm Connections
The GX-Quad EXT_ALM port supports up to four dry-contact alarm connections from external sources (incoming outputs).
The alarms can be connected any time, before or after the system is powered-on.
Note: After being connected, the External Alarms must be enabled from the Web Management application (see SC-450 user
manual – v5.4 and higher).
Pin
Number
Description
1
EXT_ALM1
2
EXT_COM1
3
EXT_ALM2
4
EXT_COM2
5
EXT ALM3
6
EXT_COM3
7
EXT ALM4
8
EXT_COM4
Figure 3-37. External Alarm Pin Out Description
3.4.6 System Alarm Pin-Out Description
The GX quad band system alarm pin-out connector supports three relay alarm connections. GX quad band status alarms can
be relayed via a network or modem connection.
Pin No.
Description
1
EXT_OPEN
2
EXT_COM
3
EXT_CLOSE
Figure 3-38. System Alarm Pin Out Description