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6 Aztech AT3300 Audio Fax/Data Modem
Introduction
Communications Options
As a data modem, the modem operates at line speeds of up to
28,800 bps. Error correction (V.42/MNP 2-4) and data compression
(V.42 bis/MNP 5) maximize data transfer integrity and boost data
throughput up to 115.2 kbps. The modem also operates in non-error-
correcting mode.
Extended “AT” commands provide data, fax class 1 and class 2, and
MNP 10 functions, while using minimal external ROM, RAM, and
optional NVRAM.
The modem also operates over a dial-up telephone line, can autodial
and autoanswer, and can operate in both synchronous and
asynchronous modes.
As well as combining computer and telephone technologies, the
communications option has the following features:
•
28,800-bps internal modem.
•
Answering machine with multiple-voice mailboxes.
•
Automatic baud rate recognition at all speeds.
•
Autodial and autoanswer.
•
Caller ID (available from the local telephone company) to screen
incoming calls.
•
Data modem throughput up to 115.2 kbps.
V.34, V.FC, V.32 bis, V.32, V.22 bis, V.22A/B, V.23, and V.21; Bell
212A and 103.
ITU V.42 bis and MNP 5 data compression.
ITU V.42 and MNP 2-4 , MNP10, MNP 10EC error correction.
•
Digitized speech compression or decompression or both.
•
Enhanced ADPCM/PCM voice operation with concurrent DTMF
detection.
