Multi-Tech Systems MT2834BL Normal/Auto-Reliable/Reliable Mode Commands, Enq/Ack Pacing Commands

Chapter 5 - Command Mode

5.4.10Compression, Error Correction, Flow Control, Pass- Through and Pacing Commands

The modem has a variety of commands to control its error correction and data compression options. These additional commands are listed below. (Remember to precede each command with the AT characters.)

Normal/Auto-Reliable/Reliable Mode Commands:

&E0 = Normal Mode

&E1 = Auto-Reliable Mode*

&E2 = Reliable Mode

Modem-Initiated Flow Control Commands: &E3 = Disables flow control (no flow control)

&E4 = Hardware flow control (CTS on/off and RTS on/off)* &E5 = Xon/Xoff flow control

Xon/Xoff Pass-Through Commands:

&E6 = Modem responds to Xon/Xoff characters, but does not allow Xon/Xoff characters to pass through to remote site.*

&E7 = Modem responds to Xon/Xoff characters, and allows them to pass through to remote site. #X0 = Selects single Xoff character until Xon level returns*

#X1 = Selects multiple Xoff characters after buffer levels is full.

Enq/Ack Pacing Commands:

&E8 = Enq/Ack method of pacing off* &E9 = Enq/Ack method of pacing on

Normal Mode Modem Flow Control Commands: &E10 = Normal Mode Modem Flow Control off*

&E11 = Normal Mode Modem Flow Control (Xon/Xoff) on

Computer-or Terminal-Initiated Flow Control (Pacing) Commands: &E12 = Pacing off*

&E13 = Pacing on (either RTS on/off or Xon/Xoff depending on the setting of &E4 or &E5).*

Data Compression Commands: &E14 = Data Compression disabled &E15 = Data Compression enabled*

*Factory Default setting

Multi-Tech Systems, Inc. MT2834BA/BL Series User Guide 52