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).
|
top
|