XE2420-ITR Ver la hoja de datos (PDF) - Unspecified

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XE2420-ITR

The World’s First Complete PLCC Packaged Modem

Unspecified 

XE2420 AT Commands

An asterisk indicates the factory default

A - Answer Command -

Bn - Select Communications Standard

n=0 Selects CCITT standards

n=1 Selects Bell standards*

D - Dial Command -

P = Pulse dial

T = Tone dial

R = Connect as an answering modem

W = Wait for dial tone

, = Pause for the duration of S8

@ = Wait for silence

! = Switch hook flash

; = Return to the command state

S=n = Dial Stored Number n

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 Switch hook relay closes

In - Modem Identification

Mn - Speaker Activity -

n=0 Speaker off

n=1 Speaker on until carrier received*

n=2 Speaker remains on

n=3 Speaker on after dialing until carrier is detected.

On - On Line

n=0 Return On Line with no retrain*

n=1 Initiate retrain while returning On line.

Qn - Responses

n=0 Send responses *

n=1 No Responses

Sr? - Interrogate Register -

Sr=n - Set Register Value -

Vn - Result Codes -

n=0 Numeric Result Codes

n=1 English Word Result Codes*

Xn - Result Code Set -

n=0 Responses 0-4

n=1 Responses 0-5 & 10

n=2 Responses 0-6 & 10

n=3 Responses 0-5, 7 & 10

n=4 Responses 0-7 & 10*

&Cn - DCD Operation

n=0 DCD is forced active*

n=1 DCD indicates a valid carrier signal

&Dn - DTR

n=0 DTR is ignored*

n=1 When the modem is on-line DTR off switches it to

the command mode and issues OK response.

n=2 Modem disconnects if the host revokes DTR.

n=3 The modem performs a soft reset when DTR is re-

voked.

&F - Revert to Factory Defaults

&Gn - Guard Timer -

n=0 None *

n=1 550 Hz Guard Timer

n=2 1800 Hz Guard Timer

&Kn - Flow Control

n=0 Flow Control Disabled

n=3 RTS/CTS Flow Control *

n=4 XON/XOFF Flow Control

&Sn - Data Set Ready

n=0 Data Set Ready Forced Active *

n=1 Data Set Ready on at Start of Modem handshake

&Zn=x - Store number x in memory location n

%En - Automatic Retrain

n=0 Automatic Retrain Disabled

n=1 Automatically retrain on poor signal quality *

\Nn - Data Buffering

n=0 Data Bufferred

n=1 Direct Mode no data buffering *

XECOM

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XE2420

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