Sierra Wireless DART 300 User Manual
User’s Guide
Troubleshooting
2110212 Rev 1.0
Page 121
13.4. CDPD Network / Connectivity Problems
This table lists problems specifically related to CDPD channel acquisition and registration.
Problem Description
Suggestions
Fails to lock onto a CDPD
channel.
channel.
Make sure that the antenna is connected correctly.
Check that you are in the CDPD coverage area, or that your immediate
location is not preventing the radio/modem from receiving a signal, e.g.,
you are in an area of weak signal strength. (+WPRSSI).
location is not preventing the radio/modem from receiving a signal, e.g.,
you are in an area of weak signal strength. (+WPRSSI).
Remove any SPNI matching requirement (+WPSPNI=<enter>). An
incorrect value will prevent channel lock and registration even in areas
with strong signals.
incorrect value will prevent channel lock and registration even in areas
with strong signals.
Verify that the correct channel side is set as the preference.
Fails to register on a CDPD
channel.
channel.
Make sure the NEI is configured correctly. Check that the correct NEI
is being used (Active or Auto-register NEI Indices).
is being used (Active or Auto-register NEI Indices).
Make sure you are using the correct registration mode (auto or manual)
and are issuing the registration command if using manual registration.
If ATH1 was issued, the modem will not resume auto-registration until
the modem is reset or the command AT+WS173=1 is issued to re-
enable auto-registration.
and are issuing the registration command if using manual registration.
If ATH1 was issued, the modem will not resume auto-registration until
the modem is reset or the command AT+WS173=1 is issued to re-
enable auto-registration.
Check with your CDPD service provider to confirm that your account is
activated. You may need to have the modem’s credentials reset.
activated. You may need to have the modem’s credentials reset.
Slow response from the
CDPD network.
CDPD network.
The CDPD network may be congested with heavy use. No user action
can alleviate this problem. Retry your connection later.
can alleviate this problem. Retry your connection later.
13.5. Warranty
Sierra Wireless, Inc. warrants the DART 300 CDPD modem against all defects in materials and
workmanship for a period of one year from the date of purchase.
workmanship for a period of one year from the date of purchase.
The sole responsibility of Sierra Wireless, Inc. under this warranty is limited to either repair or, at
the option of Sierra Wireless, Inc., replacement of the DART 300 CDPD modem. There are no
expressed or implied warranties, including those of fitness for a particular purpose or
merchantability, which extend beyond the face hereof.
the option of Sierra Wireless, Inc., replacement of the DART 300 CDPD modem. There are no
expressed or implied warranties, including those of fitness for a particular purpose or
merchantability, which extend beyond the face hereof.
Sierra Wireless, Inc. is not liable for any incidental or consequential damages arising from the use,
misuse, or installation of the DART 300 CDPD modem.
misuse, or installation of the DART 300 CDPD modem.
This warranty does not apply if the serial number label has been removed, or if the DART 300
CDPD modem has been subjected to physical abuse, improper installation, or modification.
CDPD modem has been subjected to physical abuse, improper installation, or modification.
13.5.1. Warranty
Registration
To register the warranty, visit the Sierra Wireless website at