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User’s Manual A-2
Specifications
Environmental Requirements
Built-in Modem
Conditions Ambient temperature Relative humidity
Operating 5°C to 35°C 20% to 80%
Non-operating -20°C to 65°C
Conditions Altitude (from sea level)
Operating -30 to 10,000 feet
Non-operating -30 to 40,000 feet
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
Communication specifications
Communication
System
Data:
Fax:
Full duplex
Half duplex
Communication
Protocol
Data:
ITU-T-Rec
(Former CCITT)
Bell
Fax:
ITU-T-Rec
(Former CCITT)
V.21/V.22/V.22bis/V.32/
V.32bis/V.34/V.90/V.92
(only for USA and
Canada)
103/212A
V.17/V.29/V.27ter/
V.21 ch2