User's Guide

Getting Started
36
Verifying network registration
In this procedure, you will verify that the Wireless
MultiModem has been registered on the wireless
network. To do so, you will use the common
communications program
Hyperterminal.
1. Using the
Hyperterminal program at the
computer to which the Wireless MultiModem
is connected, type the AT command
AT+CREG?. A value for the modem’s network
registration status will be returned.
2. Verify the result with the following chart:
Network Registration Verification
Value Network Registration Status
0, 1 Yes
0, 5 Yes
(registered roaming)
Note: If the modem is not registered, perform the
procedure for
Verifying signal strength on
page 35 to determine the strength of the
received signal.