Line Cards (Ax Controller); Controller Alarm Port Pinouts; Controller Remote Alarm Behavior - Mitel 3300 Technician's Handbook

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

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
1 Critical Alarm
2 Critical Alarm Return
3 Not Used
4 Major Alarm
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.

Controller Remote Alarm Behavior

Table 29: Controller Remote Alarm Behavior
Action
Power-up or push-button
reset
Software-activated
reboot
Software Install or
Upgrade
Power failure
Pin
6
7
8
9
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.
Remote alarms remain in the state they were in prior
to the reboot.
If remote alarms are disabled, an install/upgrade
may enable the alarms.
When the system comes back up, the remote alarm
will be enabled, by default.
Hardware Reference
Signal
Not Used
Minor Alarm
Minor Alarm Return
Not Used
Behavior
253