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Overview
Introduction
The 5556 Micro PC Modem Card is a compact 56K BPS data modem
solution for the Micro PC product line. It supports baud rates up to
56K. It is AT command set compatible and will work with any
popular AT compatible communication software written for the PC.
The 5556 complies with the Bell System 103/212A and CCITT
V.22/V.22bis/V.21 protocols. It can be used with any Micro PC
Control Card or Microcontroller and occupies one slot in a Micro PC
card cage.
Major features
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Compatible Hayes AT command set
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Supports the following protocols:
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Bell System 103 and 212A
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V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.34bis, V.90
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Automatic speed selection/Automatic fallback to slower speed
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Auto–originate and auto–answer modes
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Dialing capabilities:
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Autodial in tone or pulse
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Call progress monitoring
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Programmable number of rings before answer
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5V operation
