Dell Inspiron 10z (1120, Mid 2010) - Manual (Page 20)

Operating Environment
Protocols and Standards
Dialing Capability
Tone
Fax Capability
ITU-T V.17
ITU-T V.29
ITU-T V.27ter
ITU-T V.21 channel 2
Group 3 fax, class 1
Line Requirements
RJ11
Public Switched Network
Operating Modes
Asynchronous
Full duplex
Automatic and manual call originate/answer
Speed
33600 bps data (send/receive)
14400 bps FAX (send/receive)
5600 bps data (receive)*
31200 bps data (send)
* Due to FCC rules, which restrict power output of service providers, modems download speed is currently limited to 53Kbps. Actual speed may vary depending on line
conditions.
Standards and Protocols
ITU V.90 (including support for both a-law and u-law countries)
V.34 Annex 12
V.34
V.32bis
V.32
V22bis
V.22
V.23
V.21
Bell 212A
Bell 103
Tones Detected
Dial, busy, ringback, credit card bong, and modem answer tones.
Blind dialing based on timeout periods available for incompatible tones
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Altitude: Operating-up to 10,000 ft. (3050m)
Non-operating-up to 30,000 ft (9100m)
Humidity: Operating-10% to 90% noncondensing
Non-operating-5% to 95% @ 39 C