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134 MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD
Terminal Adapter AT Commands & S-Registers
S76 V.110 Network Rate
Unit: decimal
Range: n=1-600 bps,
n=21200 bps,
n=32400 bps,
n=44800 bps,
n=59600 bps,
n=619200 bps,
Default: 6 (19200 bps)
If S77=1, then the network rate of the V.110 connection will match that of
S76 ($MB). If a V.110 call is received and S77=1, then the incoming V.110
network rate must match S76 ($MB) or the connection will fail. If S77=2
and a V.110 call is received, then the setting of S76 ($MB) will have no
effect on the network rate of that call (see S77 for a description for this
case). The value of S76 will change if $MB is changed and the value of
$MB will change if S76 is changed.
S77 V.110 Network Rate Control
Unit: decimal
Range: n=1 (use $MB (S76)),
n=2 (use $MB (S76)) or Auto Sync on Answer)
Default: 2 (use $MB(S76) or Auto Sync on Answer)
The Network Rate for an originated V.110 call will be determined by S76
($MB) for both S77=1 and S77=2. If the Network Rate of the originated
call does not match that of the peer device, then the connection will fail if
the peer does not support automatic rate synchronization. If the terminal
adapter answers a V.110 call, and if S77=1, then the incoming V.110
Network Rate must match that of the S76 register ($MB) or else the
connection will fail. If S77=2, then the terminal adapter will auto-
synchronize on the incoming V.110 Network Rate.
S80 Persistent DTR Dialing Delay
Usage: S80=n; S80?
Unit: 1 second
Range: n=1-255 (1-255 seconds)
Default: 5 ( = 5 seconds)
Once DTR is detected as present (active high) and other conditions
required for the TA to dial are met, a delay of S80 seconds will occur before
stored number 0 is dialed. Some conditions include the TA not being in the