User manual

12Wavecom WMOD2B Modem
TROUBLESHOOTING
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.
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 the baud rate is 9600 bps.
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).