Alarm Contact Port Pinouts For Acx1000 And Acx1100 Routers - Juniper ACX1000 Hardware Manual

Alarm Contact Port Pinouts for ACX1000 and ACX1100 Routers

You can independently configure alarm input ports (0 to 3) to operate in Normally Open or Normally
Closed mode, and to trigger a red alarm condition or a yellow alarm condition, or to ignore alarm
conditions.
You can independently configure alarm output ports (0 and 1) can be configured to relay alarm
information when the system condition goes to a red or yellow alarm condition and when the alarm
output port is configured to trigger based on alarm input condition. Alarm output ports (2 and 3) are
used to indicate major and minor system alarms and are normally in open mode.
Table 24 on page 86 shows the alarm contact connector pinouts.
Table 24: Alarm Contact Connector Pinouts
Pin Signal Definition
Number
1 ALARM_IN0_NO/NC
2 ALARM_IN1_REF
3 ALARM_IN2_NO/NC
4 ALARM_IN3_NO/NC
5 ALARM_OUT3_REF
Direction CLI Port Mapping
Input Input Alarm Port
0
Input Input Alarm Port
1
Input Input Alarm Port
2
Input Input Alarm Port
3
Output Reserved for
Minor alarm
Function
External alarm input 0 (if voltage on
this pin is between 24V to 72V with
reference to Pin 6, alarm input 0 is in
closed condition)
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)
86