Multi-Tech Systems MT2834ZDX User Manual

Page 16

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Chapter 3 – AT Commands, S-Registers, and Results Codes

Multi-Tech Systems, Inc. MT2834ZDX User's Guide

16



Command:

&Wn Store Configuration

Values:

n = 0 or 1

Default:

1

Description:

&W0 Store current settings in NVRAM; load them at power-on or following the ATZ command
instead of loading the factory defaults from ROM.

W1 Clear user default settings from NVRAM.


Command:

Xn Result Codes and Call Progress Selection

Values:

n = 0–4

Default:

0

Description:

X0 Basic result codes ( CONNECT only); does not look for dial tone or busy signal.

X1 Extended result codes ( CONNECT 28800, CONNECT 33600, etc.); does not look for dial tone
or busy signal.

X2 Extended result codes with NO DIALTONE; does not look for busy signal.

X3 Extended result codes with BUSY; does not look for dial tone.

X4 Extended result codes with NO DIALTONE and BUSY.


Command:

#Xn Number of XOFF Characters Sent

Values:

n = 0 or 1

Default:

0

Description:

#X0 Single XOFF character sent after buffer is full.

#X1 Multiple XOFF characters sent (one for every character received after buffer is full).


Command:

Yn Long Space Disconnect

Values:

n = 0 or 1

Default:

0

Description:

Y0 Disable sending or responding to long space break signal on disconnect.

Y1 Enable sending or responding to long space break signal on disconnect. (Both modems must
have Y1 set.)


Command:

Z Modem Reset

Values:

n/a

Description:

Reset modem to default values. Defaults come from user NVRAM if &W0 is set, from factory ROM
if &W1 is set.


Command:

, Dialing Pause

Values:

n/a

Description:

Placed in dialing command, comma causes dialing pause for time set by S8.


Command:

: Continuous Redial

Values:

n/a

Description:

Placed at end of dial command, a colon causes continuous redial of a number (10 in DOC
modems) until answered. Not used in ZDXK or ZDXI modems.


Command:

; Return to Command Mode

Values:

n/a

Description:

Placed at end of dial command, a semicolon causes an immediate return to command mode after
dialing.


Command:

! Flash On-Hook

Values:

n/a

Description:

Placed in dial command, exclamation point causes modem to flash on-hook.


Command:

@ Quiet Answer

Values:

n/a

Description:

Placed in dial command, @ causes modem to wait for a ringback, then 5 seconds of silence, before
processing next part of command.


Command:

$ Call Card Tone Detect

Values: n/a
Description:

Placed in dial command, causes modem to wait for a call card tone before processing next part of
command (such as a call card number).

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