COMSPHERE 392xPlus Modems
5-10
November 1996
3920-A2-GN31-30
Table 5-2
(5 of 9)
392x
Plus AT Commands
AT
Command
DCP LCD
Command
Sequence
Description
&G
n
V.22bis Guard Tone.
&G0
Disable.
&G1
550 Hz.
&G2
1800 Hz.
Configure\Edit\
Dial Line
NOTE: The V.22bis Guard Tone cannot be disabled in some countries.
&
I
n
Dial Transmit Level.
The AT command is &
I
n, where n is
0 for – 0 dBm
1 for –1 dBm
•
•
•
32 for –32 dBm
Configure\Edit\
Dial Line
NOTE: In North America the range of allowable values is –10 dBm to –32 dBm.
This command is disabled in some countries (it answers OK but does not
change the level).
&L
n
Leased Mode.
&L0
Disables leased-line operation.
&L1
2-wire originate leased-line operation.
&L2
4-wire originate leased-line operation.
&L3
2-wire answer leased-line operation.
&L4
4-wire answer leased-line operation.
The &L command will cause the modem to reset before entering or exiting
Leased Line mode. Therefore, it must be entered as the last command in an
initialization string.
Configure\Edit\
Leased Line