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Hardware Reference
Line Cards (AX Controller)
The AX controller line cards are the same as those for the ASU II. See
Table 40: ASU II/AX Line Card Lock Latch Color Code (page 261),
Table 41: ASU II/AX 25-Pair Male D-Type Connector Pinout (page 262),
and Table 43: ASU II/AX Combo Card SFT/PFT Port Connections
(page 264).
Controller Alarm Port Pinouts
Controller Remote Alarm Behavior
Tip: The alarm port is not available on the AX, CX/CXi, and CX II/CXi II
controllers.
Table 28: Controller Alarm Port Pinout
Pin Signal Pin Signal
1 Critical Alarm 6 Not Used
2 Critical Alarm Return 7 Minor Alarm
3 Not Used 8 Minor Alarm Return
4 Major Alarm 9 Not Used
5 Major Alarm Return
Notes:
1. Contacts closed when alarm is present
2. Loss of power to the controller trips (closes) the Critical Alarm relay.
Table 29: Controller Remote Alarm Behavior
Action Behavior
Power-up or push-button
reset
Remote alarms are enabled by default and the LED is
turned off. Press the remote alarm button to disable
remote alarms. Disabled when the LED is ON.
Software-activated
reboot
Remote alarms remain in the state they were in prior
to the reboot.
Software Install or
Upgrade
If remote alarms are disabled, an install/upgrade
may enable the alarms.
Power failure When the system comes back up, the remote alarm
will be enabled, by default.
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