Juniper ACX4000 Hardware Manual page 97

Table 27: Alarm Contact Connector Pinouts
Pin Signal Definition
Number
2 ALARM_IN1_REF
3 ALARM_IN2_NO/NC
4 ALARM_IN3_NO/NC
5 ALARM_OUT3_REF
6 ALARM_IN0_REF
7 ALARM_IN1_NO/NC
8 ALARM_IN2_IN3_REF
9 ALARM_OUT2_REF
(Continued)
Direction CLI Port Mapping
Input Input Alarm Port
1
Input Input Alarm Port
2
Input Input Alarm Port
3
Output Reserved for
Minor alarm
Input Input Alarm Port
0
Input Input Alarm Port
1
Input Input Alarm Port
2 and Input Alarm
Port 3
Output Reserved for
Major alarm
Function
External alarm input 1 (Reference for
Pin 7)
External alarm input 2 (if voltage on
this pin is between 24V to 72V with
reference to Pin 8, alarm input 2 is in
closed condition)
External alarm input 3 (if voltage on
this pin is between 24V to 72V with
reference to Pin 8, alarm input 3 is in
closed condition)
External alarm output 3 (this pin is
connected to Pin 10 in closed
condition)
External alarm input 0 (Reference for
Pin 1)
External alarm input 1 (if voltage on
this pin is between 24V to 72V with
reference to Pin 2, alarm input 1 is
closed)
Common contact for external alarm
input 3 and 4 (Reference for Pin 3 and
Pin 4)
External alarm output 2 (this pin is
connected to Pin 15 in closed
condition)
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