Fastrack M1306B User Guide
Troubleshooting
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
WM_PRJ_M13_UGD_001 -003 November 11, 2006
6 Troubleshooting
This section of the document describes possible problems encountered when using
the Fastrack M1306B and their solutions.
To review other troubleshooting information, refer the ‘FAQs’ (Frequently Asked
Questions) page at
www.wavecom.com or use the following link:
http://www.wavecom.com/support/faqs.php
6.1 No Communication with the M1306B through the Serial
Link
If the Fastrack M1306B does not answer to AT commands through the serial link,
refer to the table below for possible causes and solutions.
Table 9: Solutions for no connection with M1306B through serial link
If the M1306B
returns
then ask Action
Is the M1306B powered
correctly?
Make sure the external power
supply is connected to the M1306B
and provides a voltage in the range
of 5.5 V to 32 V.
Is the serial cable connected at
both sides?
Check the serial cable connection
Nothing
Does the serial cable follow
correctly pin assignment
shown in paragraph 3.2.1.2.
Connect the cable by following pin
assignment given in paragraph
3.2.1.1.
Is the communication program
properly configured on PC?
Ensure the setting of the
communication program is fit to
setting of M1306B.
M1306B factory setting is:
Data bits = 8
Parity = none
Stop bits = 1
Baud = 115 200 bps.
Flow control = hardware
Nothing or non-
significant
characters
Is there another program
interfering with the
communication program (i.e.
Conflict on communication
port access)
Close the interfering program.
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