Wavecom WMOD2B Manuel d'utilisateur télécharger pdf (Page 15)

Wavecom WMOD2B 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

❏ The power supply must be able to deliver current peaks up to 1.8A@5V (see chapter 2.3.5 for further details).

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).

TROUBLESHOOTING

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Wavecom WMOD2B Manuel d'utilisateur Page 15