Multi-Tech Systems MT5600BA, MT5600BL manual S46

MultiModemII User Guide

Register	Unit	Range	Default	Description
				attempt to deliver data in the buffer until
				the connection is lost or the data is delivered.
S46	decimal	136, 138	138	Enables or disables data compression:
				136	Error correction without compression.
				138	Error correction with compression.
S48	decimal	0, 7, 128	7	Enables or disables LAPM negotiation. An
				invalid value is treated as a 128 value.
				0		Disables negotiation and proceeds with
						LAPM.
				7		Enables negotiation.
				128		Disables negotiation and proceeds at
						once with the fallback action specified
						in S36. Can be used to force MNP.
S86	decimal	0, 4, 5, 9,	n/a	When the modem issues a NO CARRIER
		12, 13, 14		result code, a value is written to this register
				to help determine the reason for the failed
				connection. S86 records the first event that
				contributes to a NO CARRIER message. Use
				the S86? command to read the value.
				0		Normal disconnect; no error occurred.
				4		Loss of carrier.
				5		V.42 negotiation failed to detect an error-
						correction modem at the other end.
				9		The modems could not find a common
						protocol.
				12		Normal disconnect initiated by the
						remote modem.
				13		Remote modem does not respond after
						10 retransmissions of the same message.
				14		Protocol violation.
S95	decimal	0–15	0	The bits in this register can be set to over-
				ride some of the W command options. A bit
				set to a 1 in this register enables the corre-
				sponding result code regardless of the W
				setting.
				Bit 0 CONNECT result code indicates
						DCE speed instead of DTE speed.
				Bit 1 Append /ARQ to CONNECT XXX
						result code in error-correction mode.
				Bit 2 Enable CARRIER XXXX result code.
				Bit 3 Enable PROTOCOL XXXX result code.
				Bit 4		Reserved.
				Bit 5 Enable COMPRESSION result code.
				Bit 6		Reserved.
				Bit 7		Reserved.

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