XE3314B データシートの表示（PDF） - Unspecified

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コンポーネント説明

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XE3314B

Low-Cost, Embeddable 33,600 BPS Modem Module

Unspecified 

XE3314B AT Commands (continued)

Yn - Long Space Disconnect - ATYn determines if the mo-

dem will automatically disconnect if a continuous space is re-

ceived for 1.6 seconds.

n=0 Long Space Disconnect Disabled*

n=1 Disconnect on long space

&Qn - Line Connection - AT&Qn determines if error control

or data buffering are active on the link.

n=0 Direct mode (no data buffering)*

n=5 Use Error Correction

n=6 Normal Mode (Speed buffering)

Zn - Reset - ATZn executes a soft reset to the modem and re-

sets the modem configuration.

n=0 Reset to user profile 0*

n=1 reset to user profile 1

&Sn - DSR Operation - AT&Sn sets the operation of the

DSR signal.

n=0 DSR always active*

n=1 DSR in accordance with V.25.

&Cn - DCD Operation - AT&Cn determines the operation

of the DCD output.

n=0 DCD is forced active.

n=1 DCD indicates a valid carrier*

&Dn - DTR - AT&Dn determines how the modem will re-

spond to changes to DTR.

n=0 DTR is ignored by the modem.

n=1 Enter command mode if DTR revoked.

n=2 Disconnect if DTR revoked.*

n=3 Soft reset when DTR revoked

&Fn - Return to Factory Defaults - AT&Fn returns the mo-

dem configuration to one of two factory configurations.

n=0 Restore configuration 0*

n=1 Restore configuration 1

&Gn - Guard Tone - AT&Gn controls the guard tone pro-

duced by the modem

n=0 Guard Tone Disabled*

n=1 Guard Tone Disabled

n=2 1800 Hz Guard Tone

&Kn - Flow Control - AT&Kn selects the flow control

method used by the modem.

n=0 Disabled

n=3 RTS/CTS

n=4 XON/XOFF

n=5 Transparent XON/XOFF

n=6 RTS/CTS and XON/XOFF

&Pn - Dial Pulse Make/Break Ratio - AT&Pn determines

the specific pulse dialing parameters used by the modem.

n=0 39/61% @ 10 pps*

n=1 33/67% @ 10 pps

n=2 39/61% @ 20 pps

n=3 33/67% @ 20 pps

&Tn - Test Modes - AT&T selects modem test modes.

n=0 Exit test mode

n=1 Local analog loopback

n=3 Initiate local digital loopback

n=4 Respond to remote loop request*

n=5 Deny remote loop request

n=6 Initiate a Remote Digital loopback

n=7 Remote digital loopback w self-test

n=8 Local analog loopback w self-test

&Vn - View Configuration Profiles - AT&V permits the

user to check on the modems current configuration.

n=0 View active profile & user profile 0*

n=1 View active profile & user profile 1

&Wn - Store Active Profile - AT&Wn stores the current mo-

dem configuration in NVRAM.

n=0 Store active profile as profile 0*

n=1 Store active profile as profile 1

&Yn - Recall Stored Profile - AT&Yn sets the stored mo-

dem configuration to be used after a hard reset.

n=0 Recall profile 0 on power-up*

n=1 Recall profile 1 on power-up

&Zn=x - Store telephone number "x" in

memory location "n"

%En - Line Quality Monitor/Auto Retrain - AT%En de-

termines if the modem will monitor line quality during a con-

nection and initiate a retrain if quality drops below acceptable

levels.

n=0 Disabled

n=1 Enabled

n=2 Line quality, fallback, fall forward

XECOM

(8)

XE3314B

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