Multi-Tech Systems MT2834MR6 - Manual (Page 74)

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Chapter 5 - Error Correction, Data Compression, and Speed Conversion
5.10 Compression, Error Correction, Flow Control,
and Pacing Commands
The MT2834MR6 has several commands that control error correction, data compression, and flow control:
5.10.1 V.42 Error Correction Modes
&E0 Non-auto correction mode (no error correction).
&E1 Autoreliable mode (factory default).
&E2 Reliable mode.
5.10.2 Modem-Initiated Flow Control
&E3 Disable flow control.
&E4 CTS/RTS hardware flow control (factory default).
&E5 XON/XOFF software flow control.
5.10.3 XON/XOFF Pass-Through
&E6 Respond to and discard XON/XOFF characters when &E5 is selected (factory
default).
&E7 Respond to and pass through XON/XOFF characters when &E5 is selected.
5.10.4 Hewlett Packard ENQ/ACK Pacing
&E8 Ignore ENQ/ACK pacing characters (factory default).
&E9 Respond to ENQ/ACK pacing characters.
5.10.5 Non-Error Correction Mode Flow Control
&E10 Non-error correction mode flow control off (factory default).
&E11 Non-error correction mode flow control on.
5.10.6 Pacing (Computer-Initiated Flow Control)
&E12 Pacing off.
&E13 Pacing on (factory default).
5.10.7 Data Compression
&E14 Data Compression disabled.
&E15 Data Compression enabled.*
* The factory default setting for data compression is enabled, but the modem will not compress data unless &E1
(autoreliable mode) or &E2 (reliable mode) is also selected.