D-Link DMI-128ESU Manuel D’Utilisation

D-LINK ISDN TA DMI-128ESU+

9 Trouble Shooting

Here are some flow charts of troubleshooting, which may help you resolve frequently encountered installation

problems.

9.1 Power Switch On but POWER LED is not lit.

9.2 DTR LED not lit, and the TA does not connect.

Please Check Power. Does the

power cord connected ?

Connect the power cord.

Are all connections to the TA
properly and correctly
connected?

Yes

1. Please confirm that the

S/T line to local switch
center is connected
properly.

2. Confirm that the S/T of

local switch center is
working.

Turn off the TA. Reconnect all
connectors before turning on
the TA.