Mitel 3300 Technician's Handbook page 365

Universal ASU, ASU, and ASU II CIM Status LEDs
LED Status - RED
ON
Flashing
OFF
Universal ASU LS Circuit LEDs
Table 90: Universal ASU and ASU ONS/LS Circuit LEDs
LED Status
Steady ON
Slow Flash
Fast Flash
OFF
Analog Services Unit II Alarm LED
LED Status
Flashing or ON
OFF
Analog Services Unit II Activity LED
Table 92: ASU II Activity LED (Green)
LED Status
ON
Flashing
OFF
Table 89: CIM LED
Meaning
Communication link synchronized with Controller.
Powered on, BSP running.
No power.
Circuit State
Off hook.
Idle
Idle
Idle
Table 91: ASU II Alarm LED (Red)
Meaning
System error.
No error.
Meaning
Fully operational.
Initial boot-up.
No power.
Status LEDs
Circuit Status
n/a
Circuit is manual busy.
Circuit fault.
n/a
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