
117353-B Rev. 00
E-1
Appendix E
AT Initialization Commands for the ARN
Table E-1 lists the AT commands used by the ARN with the internal Modem
Adapter Module. Because your modem may use a different set of commands,
consult the manual for your modem.
Table E-1. Summary of AT Modem Initialization Commands
Command Function
A/ Reexecute command.
A Go off-hook and attempt to answer a call.
B0 Select V.22 connection at 1200 b/s.
B1 Select Bell 212A connection at 1200 b/s.
C1 Return OK message.
Dn Dial modifier.
E0 Turn off command echo.
E1 Turn on command echo.
F0 Select auto-detect mode, equivalent to N1 (RC144).
F1 Select V.21 or Bell 103 (RC144).
F2 Reserved (RC144).
F3 Select V.23 line modulation (RC144).
F4 Select V.22 or Bell 212A 1200 b/s line speed (RC144).
F5 Select V.22bis line modulation (RC144).
F6 Select V.32bis or V.32 4800 line modulation (RC144).
F7 Select V.32bis 7200 line modulation (RC144).
F8 Select V.32bis or V.32 9600 line modulation (RC144).
(continued)
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