Multi-Tech Systems MT5600DSVD - Manual (Page 35)

MultiModemDSVD User Guide 4 AT Commands, S-Registers, and Result Codes
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Command: &E n V.42bis Data Compression
Values: n = 14 or 15
Default: 15
Description: &E14 V.42bis data compression disabled.
&E15 V.42bis data compression enabled.
Note: This command controls only V.42bis data compression,
whereas the %C command controls both V.42bis and MNP-5
data compression. The command in effect is the one last en-
tered. See also the L5 command.
Command: &F n Load Factory Settings
Values: n = 0 or 1
Default: None
Description: &F0 Load factory configuration 0.
&F1 Load factory configuration 1.
Note: See also the Z, L5, and &V commands.
Command: &G n V.22bis Guard Tone Control
Values: n = 0, 1, or 2
Default: 0
Description: &G0 Disable guard tone.
&G1 Set guard tone to 550 Hz.
&G2 Set guard tone to 1800 Hz.
Note: The &G command is not used in North America, and
may not be permitted in some countries.
Command: &J n Telephone Jack Control
Values: n = 0 or 1
Default: None
Description: &J0 NA
&J1 NA
Note: This command is included only for backwards compati-
bility. It performs no function except to load the S-register. The
parameter value, if valid, is written to S21 bit 1.
Command: &K n Flow Control Selection
Values: n = 0, 3, 4, 5, or 6
Defaults: 3 (data modem mode)
6 (fax modem and voice modes)
Description: &K0 Disables flow control.
&K3 Enables CTS/RTS hardware flow control.
&K4 Enables XON/XOFF software flow control.
&K5 Enables transparent XON/XOFF flow control.
&K6 Enables both RTS/CTS and XON/XOFF flow control.
Note: See also the &E command