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XE3301F

Multi-National 33,600 BPS Modem Module

Xecom 

XE3301 AT Commands (continued)

&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.

&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 modem 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 modem 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 determines if the modem will monitor line

quality during a connection and intiate a retrain if

quality drops below acceptable levels.

n=0 Disabled

n=1 Enabled

n=2 Line quality, fallback, fall forward

%L - Read Received Signal Level - AT%L

permits the user to read the magnitude of the

recevie singal in dBm.

%Q - Read Line Signal Quality - AT%Q permits

the user to read the EQM value of the recevied

signal.

\An - MNP Block Size - AT|An sets the block

size for MNP data packets.

n=0 Maximum 64 characters

n=1 Maximum 128 characters

n=2 Maximum 192 characters

n=3 Maximum 256 characters*

\Bn - Transmit Break - AT\Bn selects the

duration of the break signal sent. Break = n x 100

msec.

\Kn - Break control - AT\Kn determines how the

modem will handle a break signal.

Break received from host with Reliable link.

n=0 Enter on-line command mode; do not

transmit break

n=1 Purge buffers, immediately transmit

break

n=2 Same as n=0

n=3 Immediately send break

n=4 same as n=0

n=5 Send break in sequence with data*

Break received from host with Direct link .

n=0 Immediately transmit break, then enter

on-line command mode

n=1 Immediately send break

n=2 Enter command mode but do not transmit

break signal

n=3 same as n=1

n=4 same as n=0

n=5 same as n=1*

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XE3301

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