Appendix F – Modem AT Commands
74
Multi-Tech Systems, Inc. MultiAccess User Guide
S48
decimal 7 or 128
7
Enables (7) or disables (128) LAPM negotiation. The following
table lists the
S36
and
S48
configuration settings for certain
types of connections.
S48=7
S48=128
S36=0, 2
LAPM or hang up
Do not use
S36=1, 3
LAPM or async
Async
S36=4, 6
LAPM, MNP, or hang up
MNP or hang up
S36=5, 7
LAPM, MNP, or async
MNP or async
S89
seconds 0, 5–255
10
Sets the length of time in the off-line command mode before
the modem goes into standby mode or “sleep mode”. A value
of zero prevents standby mode; a value of 1–4 sets the value
to 5. Standby mode (sleep mode or low power mode) is
controlled by
S89
. It programs the number of seconds of
inactivity before the modem will go to sleep. The default value
is 0. A value of 0 disables standby mode. The modem will
wake on an incoming ring or an AT command.
S108
decimal 0–3, 6, 7
6
Selects the 56K digital loss if using the modem through a PBX
line. The default value is -6 dB loss, the value used when
calling from a typical POTS line long distance.
0 = -0 dB digital loss, no robbed-bit signaling
1 = -3 dB PBX digital loss
2 = -2 dB digital loss
3 = -3 dB digital loss
6 = -6 dB digital loss
7 = -0 dB digital loss with robbed-bit signaling
