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Sierra Wireless DART 200 CDPD Modem User Manual

Page 8

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DART 200 CDPD Modem User's Guide

Sierra Wireless, Inc.

viii

Auto-Registration/De-Registration at connection/disconnection 8-8
Deregistration

8-8

Data forwarding

8-8

Manual transmit control

8-9

Automatic transmit control

8-9

Maximum packet size transmit control

8-10

Escape transmit control

8-11

Usage considerations (for TCP and UDP)

8-11

Auto answer setup

8-11

Flow control considerations

8-12

Flow control and the new end-user

8-13

Flow control in application (online) mode

8-13

Hardware flow control operation

8-14

PAD operating mode

8-14

Data and control interface

8-15

CDPD status sensing

8-15

Escaping through the control interface

8-16

Binary data transfer

8-16

Flow control considerations

8-17

Data forwarding considerations

8-17

Parity considerations

8-17

PAD keep-alive considerations

8-18

Timer expiry in transmit mode

8-19

Timer expiry in receive mode

8-19

Timer expiry for keep-alives

8-19

Escape sequence considerations

8-20

Command response options

8-20

Echo option selection

8-21

Channel acquisition restrictions

8-22

Baud considerations

8-22

Maximum block size considerations

8-23

Modem dial directory

8-24

Messages and response codes

8-25

Messages

8-25