Appendix C: Alarm Pin Assignments; Table 6: Alarm Interface Port Pinouts - Alcatel-Lucent 7210 SAS-T Installation Manual

7210 SAS-T Installation Guide

Table 6: Alarm Interface Port Pinouts

Pin Name
1 CRIT_ALARM_COM
2 CRIT_ALARM_NO
3 MJR_ALARM_NC
4 +24 VDC source 100 mA
referenced to chassis
ground
5 ALARM_IN4_EXT_+
6 ALARM_IN3_EXT_+
7 ALARM_IN2_EXT_+
8 ALARM_IN1_EXT_+
9 CRIT_ALARM_NC
10 MJR_ALARM_COM
11 MJR_ALARM_NO
12 ALARM_IN4_EXT_RTN

Appendix C: Alarm Pin Assignments

Function
Common contact for Critical alarm relay.
Normally open contact will be connected to
the common contact during a Critical alarm
state.
Normally closed contact will be disconnected
from the common contact during a Major
alarm state.
Available as a source voltage for use with
Alarm In 1-4.
External alarm input 4 (external relay dry
contact closure to pin 12).
External alarm input 3 (external relay dry
contact closure to pin 13).
External alarm input 2 (external relay dry
contact closure to pin 14).
External alarm input 1 (external relay dry
contact closure to pin 15).
Normally closed contact will be disconnected
from the common contact during a Critical
alarm state.
Common contact for Major alarm relay.
Normally open contact will be connected to
the common contact during a Major alarm
state.
External alarm input 4 (external relay dry
contact closure from pin 5).
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