ISDN DEFINITY
Extender 2300EU/2100EU
51
Troubleshooting
LED Indicator Sequences
LED Sequence
Description
1 Red
The DSP (Digital Signal Processor) is faulty.
2 Red
•
Port to PBX (Switch Module) is not operational
•
or Port to the phone (Remote Module) is not
operational.
3 Red or
4 Red
If you have not tried to place or receive a call, then the
Extender is functioning normally.
If you have tried to place or receive a call, there is a
network error.
1 Green &
0 Red or
1 Red or
2 Red
Unit is online with the Switch Module (B1).
Data connection is not established.
(2100EU)
Data connection is established.
(2100EU)
Data (B2) dialing for connection.
(2100EU)
Table 8. LED Indicator Sequences