Multitech MULTIMODEM MT5634ZBA-USB User Manual
Page 34
34
MT5634ZBA-USB User Guide
Register
Unit
Range
Default
Description
S42
decimal
0–1
1
Enables/disables the 56K auto rate. When
56K auto is disabled, fallback to V.34 is also
disabled. 0 = disable; 1 = enable.
S43
decimal
0–1
1
For testing and debugging only. Enables/
disables V.32bis start-up auto mode operation.
0 = disable; 1 = enable.
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
LAPM or async
Async
LAPM or hangup
Do not use
LAPM, MNP, or aysnc
LAPM, MNP, or hangup
MNP or hangup
MNP or async
S36=0, 2
S36=1, 3
S36=4, 6
S36=5, 7
S89
seconds 0, 5–255 10
Sets the length of time in the off-line command
mode before the modem goes into standby
mode. A value of zero prevents standby mode;
a value of 1–4 sets the value to 5.
S109
decimal
0, 1 or 2 1
Selects one of three 56K operating modes.
0
V.90 disabled
1
K56flex or V.90 (dual-mode
enabled)
2
V.90 only (K56flex diabled)