3Com AccessBuilder 980/000048/001, User Manual

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Principal Features
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Support for dial-up transmission protocols:
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V.34 – 2-wire full duplex modems operating at data signalling rates
of 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400,
12000, 9600, 7200, 4800 and 2400 bps.
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Non-proprietary V.32 terbo – 2-wire full duplex modems operating
at data signalling rates of 19200, 16800, 14400, 12000, 9600, 7200
and 4800 bps.
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V.32bis – 2-wire full duplex modems operating at data signalling
rates of 14400, 12000, 9600, 7200 and 4800 bps.
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V.32 – 2-wire full duplex modems operating at data signalling rates
of 9600 and 4800 bps.
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V.23 – 75/1200 bps operation.
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V.22bis – 2400 bps full duplex operation.
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V.22 and Bell 212A – 1200 bps full duplex 2-wire modem.
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V.21 and Bell 103J – 300 bps modems.
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Support for leased line transmission protocols:
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V.34 – 2-wire or 4-wire full duplex modems operating at data
signalling rates of 33600, 31200, 28800, 26400, 24000, 21600, 19200,
16800, 14400, 12000, 9600, 7200, 4800 and 2400 bps.
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Non-proprietary V.32 terbo – 2-wire or 4-wire full duplex modems
operating at data signalling rates of 19200, 16800, 14400, 12000,
9600, 7200 and 4800 bps.
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V.32bis – 2-wire or 4-wire full duplex modems operating at data
signalling rates of 14400, 12000, 9600, 7200 and 4800 bps.
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V.32 – 2-wire or 4-wire full duplex modems operating at data
signalling rates of 9600 and 4800 bps.
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2-wire PSTN backup of the Private line.
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CCITT V.42bis or MNP Class 5 data compression.
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Virtual error-free data passage using CCITT V.42 LAPM or MNP Level 4
error correction.