XE2401L 데이터 시트보기 (PDF) - Xecom
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XE2401L Datasheet PDF : 12 Pages
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The XE2401L uses "AT" commands for
configuration and control. This section describes
use of the AT command format and lists the AT
commands, Registers and Result codes.
Modes of Operation
The "AT" commands have two operational
modes; Command Mode and Data Mode.
Data Mode: The XE2401L enters data mode
after it connects with a remote modem and issues
an appropriate "CONNECT" result code. In the
Data Mode the modem sends all data presented
on Transmit Data (TXD) to the remote modem
and puts data from the remote modem onto
Received Data (RXD). When the modem exits
data mode, it issues a "NO CARRIER" result
code.
AT Command List
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
En - Command Echo
n=0 Do not echo commands
n=1 Enable command echo*
Hn - Switch Hook Control -
n=0 Switch hook relay closes*
n=1 The switch hook relay opens
In - Modem Identification
Ln - Speaker Volume -
n=0 Low speaker volume
n=1 Low speaker volume
n=2 Moderate speaker volume*
n=3 High speaker volume
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? - Interogate 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
Yn - Long Space Disconnect -
n=0 Disabled *
n=1 Enabled
XE2401L
XECOM\5
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