Boca Pro16 Series - Q Extended Flow Control

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154

BOCA PRO16 Reference Guide

COMMAND MEANING

\Q Extended Flow Control

The \Q command enables you to select flow control (handshaking)

between your modem and computer. While performing the same func-

tion as the &K command, the \Q command provides compatibility with

Microcom modems. Flow control is only available when the modem is

configured for constant speed mode or reliable or auto-reliable modes,

and is operating in on-line state. Flow control will be ignored when your

modem is configured for variable speed mode or is in local command

state.

Options

AT\Q0 Flow control disabled

AT\Q1 XON/XOFF flow control

The modem and computer use the XON and XOFF characters

(DC1 and DC3) to pause the flow of data.

AT\Q2 CTS flow control #1

The modem uses the CTS (Clear To Send) signal to pause

data flow, but will not respond if the computer changes the

state of the RTS (Request To Send) signal.

AT\Q3 CTS/RTS flow control #1

The modem and computer use the CTS and RTS signals to

control data flow (as per &K3).

AT\Q4 Modem XON/XOFF flow control

The modem uses the XON and XOFF characters (DC1 and

DC3) to pause the flow of data but will not respond if the

computer sends XON or XOFF characters.

AT\Q5 CTS flow control #2

The modem uses the CTS (Clear To Send) signal to pause

data flow and keeps CTS low until a connection is established

with a remote modem. The modem will not respond if the

computer changes the state of the RTS (Request To Send)

signal.

AT\Q6 CTS/RTS flow control #2

The modem and computer use the CTS and RTS signals to

control data flow. CTS remains low until a connection is

established with a remote modem.