Casio MPC-501 manual 118, Main functions of the modem

Main functions of the modem

Network control functions		Automatic Send and Receive by built-in NCU
		Conforms to the following protocols and possible to
Modem protocols		communicate in full duplex V.21/V.22bis/V.32/V.32bis/
		V.34/V34bis/V.90/K56flex/V.27ter/V.29/V.17
Data compression		Conforms to MNP 5, ITU-T V.42bis
protocols
Error control protocols		Conforms to MNP 4, ITU-V.42
Function	Protcol		Speed	Comment
	ITU-T V.21		300
	ITU-T V22bis		2400, 1200
	ITU-T V32		9600, 4800
	ITU-T V32bis		14400, 12000, 9600,
Data			7200, 4800
			28800, 26400, 24000,
communication
(Send and	ITU-T V34		21600, 19200, 16800,
Receive)			14400, 12000, 9600,
			7200, 4800, 2400
			33600, 31200, 28800,
			26400, 24000, 21600,
	V34bis		19200, 16800, 14400,
			12000, 9600, 7200,
			4800, 2400
			56000, 54667, 53333,
			52000, 50667, 49333,
	V.90		48000, 46667, 45333,
			42667, 41333, 40000,
Data			38667, 37333, 36000,
			34667, 33333, 32000,
communication
			30667, 29333, 28000
(Receive only)
			56000, 54000, 52000,
	K56flex		50000, 48000, 46000,
			44000, 42000, 40000,
			38000, 36000, 34000,
			32000
	ITU-T V.27ter		4800, 2400
FAX	ITU-T V.29		9600, 7200
			14400, 12000, 9600,	There are two modes,
communication	ITU-T V.17
			7200	Long and Short in each
				speed respectively

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