Multi-Tech Systems MT5634ZPX-PCI Decimal Sets maximum 56K downstream, 333 bps, = 29,333, = 30,666

3 AT Commands, Result Codes, and S-Registers

Register	Unit	Range	Default	Description
S38	decimal	0–14	1	Sets maximum 56K downstream
				speed that the modem attempts to
				connect. Where K56flex provided
				rates of 32,000 to 56,000 in 2,000 bps
				increments. V.90 provides rates of
				28,000 to 56,000 bps in increments of
				1,333 bps.
				0	=V.90/56Kflex disabled
				1	= V.90/56Kflex enabled with auto-
				matic speed selection maximum
				negotiated modem speed enabled
				2	= 29,333
				3	= 30,666
				4	= 32,000
				5	= 33,333
				6	= 34,666
				7	= 36,000
				8	= 37,333
				9	= 38,666
				10 = 40,000
				11 = 41,333
				12 = 42,666
				13 = 44,000
				14 = 45,333
				15 = 46,666
				16 = 48,000
				17 = 49,333
				18 = 50,666
				19 = 52,000
				20 = 53,333
				21 = 54,666
				22 = 56,000
S42	decimal	0–1	1	Enables/disables the 56K auto rate.
				Retrain and fallback are disabled in
				data mode.
				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.

MT5634ZPX-PCI 47