ERICSSON IDSL MODEM - INSTALLATION GUIDE

GENERAL

INSTALLATION
   MODEM
   PC & SOFTWARE

FAULT FINDING

CONNECTORS & CABLES


FAULT FINDING

SYMPTOM: NO PC CONNECTION TO DATA NETWORK POSSIBLE.

Cause

Remedy
 

No power to the IDSL MODEM.

 

Check that the power light is on. If not, check that the power adapter is plugged into a live socket, and that the power cable is plugged into the Modem power socket. 

No synchronisation with the network (lamp is flashing).

 

Be sure that every phone is on hook, wait until sync light stops flashing (maximum 60 seconds).

Modem not plugged into the RJ11 wall socket.

Check that the power and sync. lights are on. Plug the Modem into the RJ11 wall socket via the line cable.

RS-232 cable not plugged in.

 

Plug the RS-232 cable into the Modem socket (DB9) and into the PC serial port (COM).

SYMPTOM: TELEPHONE EQUIPMENT/MODEM NOT WORKING.

Cause

 

Remedy

Modem not plugged into the RJ11 wall socket.

 

Plug Modem into the RJ11 wall socket.

Incoming line terminals still linked to phone wiring in original wall socket.

For correct connection, separate the incoming line conductors from the house wiring telephone pair.

Incorrect installation, or re-wiring of RJ11 wall socket.

 

For correct connections, see: "Modem Installation" and "Connectors".

Resistance of telephone wiring too great.

 

The modem can feed a Phone circuit of up to 600ohm loop resistance, including the telephone, (e.g. Phone 400ohm + Wiring 200ohm).

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