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Sierra Wireless DART 200 CDPD Modem User Manual

Page 74

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DART 200 CDPD Modem User’s Guide

5 DART Supported Protocols

Sierra Wireless, Inc.

5-20

Table 5-3. Remote TCP setup

AT Command

Req Opt Def Description

AT^Annn.nnn.nnn.nn
n

R

Input IP Address (if not already
done)

AT\N[1,2]

R

Side Preference (get from carrier)

AT\J0

D

Use default - No channel access
restrictions

AT\R4

R

Auto Registration at Power On

ATS13=0

R

With AT\R4 sets Continuous
Automatic Registration

AT\O0

R

PAD mode is required for TCP

AT*A1

R

Sets TCP Server mode

ATS0 =1

O

Set modem to Auto Answer

AT*L2100

D

Use default - Listen on port 2100

ATE0

O

No command mode character echo

ATV0

O

Use terse result codes

ATQ0

D

Use default - Result codes are sent to
the RTU

ATF1

D

Use default - Do not echo
transmitted data to the RTU

ATX1

D

Use default - Extended result codes

AT&C1

D

Use default - DCD follows state of
the connection

AT&D0

D

Use default - You may want to
consider using DTR to escape if
RTU supports it

AT&E2

O

Filter escape sequence from output

AT&S0

D

Use default - DSR is always active

AT\F3

D

Use default - Applies only if \M1
specified

AT\M0

D

Use default - Do not recognize data
forwarding characters

AT\Q0

O

Most RTUs do not use flow control

AT\T1

D

Use default - Timed data forwarding
should always be used with binary
data

AT*B0

D

Use default - Does not apply to TCP

AT*C1

D

Use default - Does not apply to TCP

AT*G1

D

Use default - Does not apply to TCP

AT*K2

O

Set TCP receive keep-alives

ATS86 = 3

O

Use 3 minute keep-alive timeout

AT*R0

D

Use default - Does not apply to TCP

AT*T0

D

Use default - Does not apply to TCP