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AT Command Set and S-Registers
5-133920-A2-GN31-30 November 1996
Table 5-2
(8 of 9)
392x
Plus
AT Commands
AT
Command
DCP LCD
Command
Sequence
Description
&Z
n=x
Store Telephone Numbers. Modem saves the telephone numbers and dial
command modifiers (if any) entered for
x
(up to 40 characters in length) in
Directory Location
n
(1–24). For example, the command AT&Z1 = 5551234
stores the telephone number 555-1234 into directory location 1.
To clear a telephone number from a memory location, issue the &Z
n
=
x
command
without entering a telephone number
.
Call Setup\
Change Directory
\A
n
Maximum Frame Size.
\A0 64 bytes.
\A1 128 bytes.
\A2 192 bytes.
\A3 256 bytes.
\A4 32 bytes.
\A5 16 bytes.
Configure\Edit\
V42/MNP/Buffer
\C
n
Error Control Negotiate Buffer.
\C0 Disable.
\C1 Enable.
\C2 Disables and switches modem to Buffer mode.
Configure\Edit\
V42/MNP/Buffer
\D
n
CTS Control.
\D0 Forced On. Forces CTS to always ON.
\D1 Standard RS232.
\D2 Wink When Disconnect. CTS is turned OFF for 1 to 2 seconds upon a
disconnect.
\D3 Follows DTR. The state of CTS follows the state of DTR.
\D4 Follows RTS. The state of CTS follows the state of RTS.
Configure\Edit\
DTE Interface
\G
n
Modem to Modem Flow Control.
\G0 Disable.
\G1 Enable.
Configure\Edit\
V42/MNP/Buffer
\K
n
Buffer Control, Send Break Control, Break Forces Escape.
Break Buffer
Send Break
Break Forces
Control: Control: Escape:
\K0 Discard Data Break First Enable
\K1 Discard Data Break First Disable
\K2
Keep Data
Break First Enable
\K3
Keep Data
Break First Disable
\K4
Keep Data
Data First
Enable
\K5
Keep Data
Data First
Disable
Break Buffer
Control:
Configure\Edit\
V42/MNP/
Send Break
Control:
Configure\Edit\
V42/MNP/Buffer
Break Forces
Escape:
Configure\Edit\
DTE Dialer