5.1 Introduction

This chapter presents a command summary followed by a detailed description of each command used in the MultiMux. Each command line must begin with a prefix of AT and may contain any number of commands in a string (no spaces) up to a limit of 40 characters. Most commands include a value and are part of the 40 character total. Hitting Return executes a command line but does not incorporate it into the operation of your MultiMux. You must execute a Store New Parameters command (&W) to implement your changes into your mux network.

An example of a command line which changes the parameters of the channel device connected to channel 1is shown in the following example. The example changes the baud rate to 4800 bps, parity to odd, CTS flow control and turns echo off

ATC1B4800P1F1E0

Table 5-1 presents a summary of all the commands used in the MultiMux. The commands are divided into a number of general categories according to their functionality within the MultiMux. This functional division is carried on into the detailed description of each command.

The access commands for the command modem are described in this chapter. The general AT commands for the command modem are described in Appendix D.

The following functional grouping of the commands are listed with their paragraph title and paragraph number:

General Commands

5.2.1

Channel Parameter Commands

5.2.2

Composite Link Speed & Clocking commands

5.2.3

Additional Composite Link Commands

5.2.4

Voice/Fax Channel Commands

5.2.5

Test Commands

5.2.6

Command Modem Commands

5.2.7

 

 

Table 5-1. Command Summary

TYPE

COMMAND

DESCRIPTION

General

H

General Help

 

H1

Channel Parameter Help

 

H2

DIP-Switch Configuration Help

 

H3

Composite Link Speed and Clocking Help

 

H4

Additional Composite Link Help

 

H5

Miscellaneous Help

 

H6

Voice/Fax Channel Help

 

H7

Additional Voice/Fax Channel Help

 

Z

Reset

 

&W

Store New Parameters to Memory

 

 

 

Channel

B0

Channel Off Command

Parameter

Bxxx

Baud Rate Select

 

C0

Universal Channel Parameters Command

 

C1-C32

Channel Select for Parameter Change

 

DC

Destination Channel Selection

 

DN

Destination Node Selection

 

E0

Echo Off

 

E1

Echo On

 

F0

Flow Control Off

 

F1

CTS (RS232C) Flow Control

 

F2

Xon/Xoff Flow Control

 

F3

Enq/Ack On

 

F4

EnqAck Off

 

F5

Pacing On

 

F6

Pacing Off

 

F7

Pass EIA (RS232C) Signals On

 

F8

Pass EIA (RS232C) Signals Off

 

F9

Xon Pass Thru On

 

F10

Xon Pass Thru Off

 

F11

Inverter DTR On

 

F12

Inverter DTR Off

 

F13

Xoff/First Character Pacing

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Multi-Tech Systems MMV1600 owner manual Command Summary, ATC1B4800P1F1E0, Type Command Description