"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1683, 1685, 1687, 1688, and 1690

Energy

Voltage

Amp-hour capacity

Watt-hour capacity

Environmental Requirements

Operating Temperature

Non-operating Temperature

14.8

V

 

 

3.0 Ah

 

 

44.4

Wh

 

 

 

 

 

 

 

 

32° F to 113 F

 

0° to 45° C

-4° F to 140 ° F

 

-20° to 60° C

 

 

 

 

Modem
Compliance

 

ITU v.90~6 standard

 

 

Full ITU-T V.34 compliance

 

 

Full compliance with: V.21, V.22, V.22bis, V.23, V.32, V.32bis, Bell 103, Bell 212A

 

 

 

Data Compression

 

V.42bis/MNP 5

 

 

 

Fax Modulation

 

V. 17

 

 

V. 21 (Group III Compatible)

 

 

V.29

 

 

V.27Ter

 

 

 

Command Set

 

Hayes AT

 

 

Class 1 Fax

 

 

 

Cable

 

6 Ft. RJ-11 telephone cable

 

 

 

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