Toshiba M40 user manual Built-in Modem, Network control unit NCU

APPENDIX A

User’s Manual

Computer 15 VDC 5.0 amperes

Built-in Modem

Network control unit (NCU)
Type of NCU	AA
Type of line	Telephone line (analog only)
Type of dialing	Pulse
	Tone
Control command	AT commands
	EIA-578 commands
Monitor function	Computer’s speaker
Communication specifications
Communication	Data:	Full duplex
system	Fax:	Half duplex
Communication	Data
protocol	ITU-T-Rec		V.21/V.22/V.22bis/V.32
	(Former CCITT)		/V.32bis/V.34/V.90
	Bell		103/212A
	Fax
	ITU-T-Rec		V.17/V.29/V.27ter
	(Former CCITT)		/V.21 ch2
Communication	Data transmission and reception
speed	300/1200/2400/4800/7200/9600/12000/14400/
	16800/19200/21600/24000/26400/28800/31200/
	33600 bps
	Data reception only with V.90
	28000/29333/30666/32000/33333/34666/36000/
	37333/38666/40000/41333/42666/44000/45333/
	46666/48000/49333/50666/52000/53333/54666/
	56000 bps
	Fax
	2400/4800/7200/9600/12000/14400 bps
Error correcting	MNP class 4 and ITU-T V.42
Data compression	MNP class 5 and ITU-T V.42bis

A-2