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DART 300 Modem User’s Guide
2110212 Rev 1.0 Page vii
6.
Protocols and Packet Assembly Features.................................37
6.1.
Communication Protocols and Stacks................................................................37
6.1.1.
DART 300 Internal Protocol Stacks.....................................................38
6.1.2.
Packet Service Modes ..........................................................................38
6.2.
User Datagram Protocol (UDP)..........................................................................38
6.2.1.
UDP Server Features............................................................................39
6.2.2.
UDP Client Features.............................................................................41
6.2.3.
Closing UDP Sessions..........................................................................41
6.2.4.
UDP Broadcast and Multicast..............................................................42
6.3.
Transmission Control Protocol (TCP) ...............................................................43
6.3.1.
TCP Handshaking ................................................................................43
6.3.2.
TCP Server Features.............................................................................43
6.3.3.
TCP Client Features .............................................................................44
6.3.4.
Closing a TCP Session.........................................................................44
6.3.5.
TCP and Sleep Mode............................................................................45
6.4.
Serial Line Interface Protocol (SLIP).................................................................45
6.5.
Point-to-Point Protocol (PPP).............................................................................45
6.6.
Packet Assembly Management ...........................................................................46
6.6.1.
Assembling a Packet ............................................................................46
6.6.2.
Forwarding a Packet.............................................................................46
6.6.3.
Escaping Data State..............................................................................47
6.6.4.
Data and Telemetry Considerations .....................................................50
7.
Advanced Features .....................................................................53
7.1.
Multiple CDPD Accounts ....................................................................................53
7.2.
Controlling Network Registration......................................................................54
7.2.1.
Channel Acquisition.............................................................................54
7.2.2.
Registration ..........................................................................................57
7.3.
Monitoring the Network Connection..................................................................60
7.3.1.
LED Indicator.......................................................................................60
7.3.2.
Radio Signal Monitors..........................................................................60
7.3.3.
Registration Status................................................................................61