Avaya BCM 2.0 Programming Guide de l'utilisateur Page 319

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Troubleshooting your Enterprise Edge system 319
P0911588 Issue 01 Enterprise Edge 2.0 Programming Operations Guide
2. Check the LEDs on the front of the EE-DTM
Receive Alarm: yellow LED on indicates a problem with the digital
transmission being received. This half-duplex link is unusable.
Receive Error: yellow LED indicates a minor error as a result of degraded
digital transmission. Possible causes are an ohmic connection, water ingress, or
too long a loop.
Transmit Alarm: red LED on indicates an inability to transmit. Alarm
indication signal (AIS) is being transmitted to the terminating switch. This half-
duplex link in unusable.
Transmit Error: yellow LED on indicates a remote alarm indication (RAI)
carrier failure alarm (CFA) is being sent to the terminating switch. If the
Transmit Alarm is not on, this indicates a far-end or cable problem.
In service: flashing green indicates that the T1 or PRI trunks are out of service
because of a running loopback test, or because the
EE-DTM is being initialized.
Loopback test: red LED on while a continuity loopback test is running.
All LEDs flashing continuously: the EE-DTM is being initialized.
3. In the Unified Manager, select Resources, Telephony, Maintenance,and
Tests to run any loopback tests as appropriate.
4. Check the pinout of the cable that connects the EE-DTM to the termination
point from the T1 or PRI service provider or the external channel service unit,
and check that the cable is properly connected.
Front view
Telecom
Loopback
connector
Transmit LEDs
Receive LEDs
Continuity loopback
Loopback Test LED
In Service LED
Power LED
Status LED
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