Environmental requirements built-in modem – Toshiba A200 User Manual

Page 135

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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

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