Specifications

X723-300151 2-17 Issue 2
System Alarm
Power/Active
All the LEDs are red except for the Power/Active LED which is green.
This LED will be on continuously when the system controller is active,
and will flash if the system controller is the standby card in redundant
operation when equipped. In addition to these alarms, channel cards have
LEDs to indicate alarm conditions, however these can only be viewed by
removing the front panel.
See Section 3.1.8 for a description of the LED indicators on the Dual LIU.
Alarm conditions can be examined via the local port or network port
where an exact description of the fault can be found.
When an alarm occurs the appropriate alarm relay will also be set (See
Table in Section 6.1.6)