Multi-Tech Systems ISI5634PCI/4/8 manual Is also disabled = disable, = enable S43 decimal

ISI5634PCI/4/8 User Guide

			12 = 52000 bps
			13 = 54000 bps
			14 = 56000 bps
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
			S36=0, 2	LAPM or hangup	Do not use
			S36=1, 3	LAPM or async	Async
			S36=4, 6	LAPM, MNP, or hangup	MNP or hangup
			S36=5, 7	LAPM, MNP, or aysnc	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. A value of zero
			prevents standby mode; a value of 1–4
			sets the value to 5.
S108 decimal	0–3, 6, 7	6	Selects 56K digital loss if using the
			modem thru a PBX line. 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

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