User’s Manual A-2
Specifications

Environmental Requirements

Power Requirements

Built-in Modem

Conditions Ambient temperature Relative humidity
Operating 5°C (41°F) to 35°C (95°F) 20% to 80%
Non-operating -20°C (-4°F) to 65°C (149°F) 10% to 90%
Thermal Gradient 20°C per hour maximum
Wet-bulb
temperature
26°C maximum
Conditions Altitude (from sea level)
Operating -60 to 3,000 meters
Non-operating -60 to 10,000 meters
maximum
AC adaptor 100-240 volts AC
50 or 60 hertz (cycles per second)
Computer 15 VDC
4.0 amperes
5.0 amperes
Network control unit (NCU)
Type of NCU AA
Type of line Telephone line (analog only)
Type of dialing Pulse
To n e
Control command AT commands
EIA-578 commands
Monitor function Computer’s speaker
Communication specifications
Communication
system
Data: Full duplex
Fax: Half duplex