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Introduction DART 300 Modem
Page 16 2110212 Rev 1.0
3.6.2.1. Obtaining a PING from the Modem
This step assumes the modem is registered on the CDPD network.
(AT is omitted for brevity):
1. +WS45=0 or 1 to select UDP or TCP packet service respectively. This will have the modem
reply to the PING without the need of a local host connection.
2. Using a network-connected PC as the remote station, open a MS-DOS Prompt window.
3. At the MS-DOS command line enter:
PING <ip> where <ip> is the registered NEI address of the modem in dotted-decimal format.
(The modem’s NEI can be determined with the AT command +WPCURNEI.) Do not use
leading zeroes in the IP address components. (The PING utility assumes a leading 0 indicates
an octal rather than decimal value).
The modem should reply and the PC will indicate the echo time. Four PINGs are issued by
this command option.
If the PC PING requests timeout without success, try allowing a longer wait time by adding the
parameter –w 5000 to the PING command line. That will allow 5 seconds (5000 ms) for the echo
before the PC will time out the attempt. For a full list of PING command options, enter the PING
command without parameters.
At this point the modem should be functioning on the network and responding to PINGs. The
modem is now ready for configuration and installation as described in the sections on
Configuration and Use.
Should the modem fail to respond, check Section 13, Troubleshooting.