XE2814 Просмотр технического описания (PDF) - Xecom

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XE2814

V.34 Modem for Data & Fax

Xecom 

Command Line Editing - The backspace

can be used to edit the command line.

Hitting the backspace key, or Control and H

simultaneously on some systems, erases

the previous character in the command line.

All of the characters can be erased except

for the "A" and "T." Register S5 allows the

user to select a character other than a

backspace to edit the command line.

Re-Execute Last Command - The A/

command causes the modem to re-execute

the last command line. This is the only

command which does not require the "AT"

prefix.

Ommitted Parameters - Most commands

include a parameter which determines the

command function. When this parameter is

omitted from the command string, it is

assumed to be a 0.

AT Command List

A - Answer Command -

Bn - Select Communications Standard

n=0 Selects CCITT standards

n=1 Selects Bell standards*

D - Dial Command -

L = Re-dial last number

P = Pulse dial

T = Tone dial

S=n = Dial stored number

W = Wait for dial tone

, = Pause for the duration ofr S8

@ = Wait for silence

! = Switch hook flash

; = Return to the command state

Escape Characters - A three character

escape sequence maybe entered while in

data mode to switch the modem into

command mode while remaining on line.

The escape character, set by Register S2,

must be entered 3 times in succession to

execute the escape. The default escape

sequence is "+++."

Result Codes - The modem issues a result

code after each action. Result codes may

be provided as full words, numeric codes or

may be disabled all together. Each result

code ends with a carriage return when

numeric result codes are chosen. When full

word result codes are chosen, a Line Feed

and Carriage Return precede and follow

each result code.

En - Command Echo

n=0 Do not echo commands

n=1 Enable command echo*

Hn - Switch Hook Control -

n=0 Switch hook relay opens*

n=1 The switch hook relay closes

In - Modem Identification

Ln - Speaker Volume -

n=0 Lowest speaker volume

n=1 Low speaker volume

n=2 Moderate speaker volume*

n=3 High speaker volume

6/XECOM

XE2814

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