Mitel 3300 Technician's Handbook page 374

3300 ICP Technician's Handbook
Table 102: BRI Card Circuit LEDs (continued)
LED
BRI
Circuit Off
Flashing at 1 Hz
Flashing at 4 Hz
On
364
State
BRI circuit not in use (no device connected to
circuit)
Idle device connected to the circuit (layer 1
established)
Call being established from device on circuit
(layer 2 established)
Call in progress at device on circuit (layer 3
established)
Meaning (All LEDs)
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