
Chapter 2 – Installation
Connecting the Optional Handset
If you intend to use a phone handset, connect it to the MultiModem now.
Modular Handset
Cable
(use of handset optional;
handset cable not included)
Mobile Phonetools
For initial configuration of your wireless device, Multi-Tech offers a Windows
®
based mobile Phone
Tools application.
To load mobile Phone Tools, click on the mobile Phone Tools icon on your product CD and follow
the on-screen prompts.
Verifying Signal Strength
The Wireless MultiModem establishes a call if the signal is sufficiently strong. To verify the signal
strength, do the following:
1. Using the
HyperTerminal
program at the computer to which the Wireless MultiModem is
connected, type the AT command AT+CSQ. A value for the received signal strength will be
returned.
2. Verify the result with the following chart:
Signal Strength Verification
Value of signal strength
(AT+CSQ response) (RSSI)
Signal strength
10 - 31
Sufficient
0 - 9
Weak or Insufficient
99 Insufficient
Multi-Tech Systems, Inc. MultiModem
®
GPRS with USB User Guide
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