Multitech MultiModem SocketModem MT9234 Series At Commands Reference Manual page 40

S48 decimal 7 or 128
S89 seconds 0, 5–65
Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H)
Downloaded from Elcodis.com electronic components distributor
Chapter 1 – AT Commands, S-Registers, and Result Codes
7 Enables (7) or disables (128) LAPM negotiation . The following
table lists the S36 and S48 configuration settings for certain
types of connections.
S36=0, 2
S36=1, 3
S36=4, 6
S36=5, 7
0 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.
S48=7 S48=128
LAPM or hang up Do not use
LAPM or async Async
LAPM, MNP, or hang up MNP or hang up
LAPM, MNP, or async MNP or async
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