Wavecom WMO2 Modem
12
5.
TROUBLESHOOTING: Specific defaults possibly encountered
5.1
The modem does not answer through the serial link
A) Is the modem correctly powered on?
❏
If not, the correct power supply is 5 to 32V (GSM 900) - 6 to 32V (GSM 1800/1900).
B) Is the serial cable suitable and adjusted in the modem and PC sockets?
❏
A suitable cable must follow pin assignment described on figure 6.
❏
Check in particular, that Rx et Tx are properly connected.
C) Check that your communication program is properly configured:
❏
Modem factory setting for the character framing are:
➫
Data Bits
: 8
➫
Parity
: None
➫
Stop Bits
: 1
❏
The factory setting for baud rate is autobauding mode.
D) Does any other program interfere with your communication program (conflict on communication port access)?
❏
If yes, close any application likely to interfere (e.g. mouse or printer driver).
TROUBLESHOOTING
GUIDE
19/04/99, 9:22
15
