Communication Options

This section describes the various methods of communication supported by Hayes modems. Configuration recommendations for these methods are provided. Flow diagrams illustrate the states and conditions through which the modem passes.

Additionally this section defines retraining and rate re-negotiation available in Hayes V.32, V.32bis, V34, and V.FC modems.

Transmission and DTE Types

Communication Modes &Q


Leased-Line Mode


Retrains and Rate Re-negotiation


Security Callback

Basic Remote Configuration

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