Toshiba U400 Specifications, Environmental Requirements, Built-in Modem, Power Requirements

Appendix A

Specifications

This appendix summarizes the computer's technical specifications.

Environmental Requirements

	Operating	Non-operating
Ambient temperature	5°C to 35°C	-20°C to 60°C
Relative humidity	20% to 80%	10% to 90%
Altitude (from sea	0 to 3,000 meters	0 to 10,000 meters
level)
Power Requirements
AC adaptor	100-240 volts AC
	50 or 60 hertz (cycles per second)
Computer	19 VDC

Built-in Modem

Network control unit (NCU)

Type of NCU	AA
Type of line	Telephone line (analog only)
Type of dialling	Pulse
	Tone
Control command	AT commands
	EIA-578 commands
Monitor function	Computer's speaker

User’s Manual A-1