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Cellular Communications
Table D-1. Configuration Options Set by Automatic Cellular Setup
Configuration
Option
Maximum Frame Size
Maximum Data Rate
Error Control Mode
No Carrier Disconnect
No Answer Timeout
Autorating
When the modem detects a normal land-line telephone
connection, the options in Table D-1 automatically switch back to
their non-cellular settings.
Using Cellular Modem Pools
Many cellular carriers now offer Cellular Modem Pools which
support the ETC protocol. These Cellular Modem Pools are
highly recommended, as they allow your ETC modem to connect
to virtually any modem in the world with peak performance.
Contact your local cellular service provider for information on the
availability of Cellular Modem Pools in your area.
To place a call to a remote site through a Cellular Modem Pool,
add a 3282 command to the ATDT command prior to the dial
string:
TYPE:
PRESS: Enter
The 3282 number is easy to remember, as it spells out the word
DATA on your telephone keypad.
D-4
Issue 2
Automatic Cellular Setting
32 characters/frame
14,400 bps, V.32bis
V.42 (4800 bps or higher), V.42
or MNP (2400 bps or lower)
10 seconds
90 seconds
Enabled, start at 9600
ATDT 3282 n
where n is the telephone number
May 1995
AT Command
Equivalent
\A4
%BL14400
\N8
S10=100
S7=90
S76=3
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