Black Box MD403A user manual Upstream data rates

PORTABLE USB MODEM

Register	Unit	Range	Default		Description
S38	decimal	0–23	1		Sets downstream data rate
					where K56flex provides rates
					of 32,000 to 56,000 bps in
					2000 bps increments. V.90
					provides rates of 28,000 to
					56,000 bps in increments of
					1333 bps.
			0	= V.90 disabled
			1	= V.90 autorate		K56flex rates
			2	= 28,000 bps		2 = 32,000 bps
			3= 29,333 bps			3 = 34,000 bps
			4	= 30,666 bps		4 = 36,000 bps
			5	= 32,000 bps		5 = 38,000 bps
			6	= 33,333 bps		6 = 40,000 bps
			7	= 34,666 bps		7 = 42,000 bps
			8	= 36,000 bps		8 = 44,000 bps
			9	= 37,333 bps		9 = 46,000 bps
			10 = 38,666 bps			10 = 48,000 bps
			11 = 40,000 bps			11 = 50,000 bps
			12 = 41,333 bps			12 = 52,000 bps
			13 = 42,666 bps			13 = 54,000 bps
			14 = 44,000 bps			14 = 56,000 bps
			15 = 45,333 bps
			16 = 46,666 bps
			17 = 48,000 bps
			18 = 49,333 bps
			19 = 50,666 bps
			20 = 52,000 bps
			21 = 53,333 bps
			22 = 54,666 bps
			23 = 56,000 bps
			Upstream data rates
			The upstream V.90 data rates are 4800 to
			33,600 bps in 2400-bps increments.

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