Troubleshooting guide

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