AirLink Communications Raven X HSDPA Betriebsanweisung PDF herunterladen (Seite 61)

Rev 2.0 Jul.09 54

8: Data Communication and Host

Modes

• Basic Modes

• Data Communication

TheRavenXEplaysthepartofaHOSTwhenacomputeror

anotherdeviceisconnecteddirectlytoitsportandroutesdata

to/fromtheconnecteddevicetothecellularnetwork.

Caution: The Raven XE moves data from one port to the cellular

network in a simple one-to-one routing. It does not employ a routing

table or any complicated routing protocol.

Tip: If you need to have one-to-many routing, you can connect the

Raven XE to a router. The router would provide the multiple routing

and the Raven XE would provide one-to-one for the router to the

cellular network and the Internet.

Asthehost,theRavenXEcanusedifferentcommunication

modes:

Basic Modes

• AT:TheRaven XEacceptsandrespondstostandardAT

commands.

• PassThru:Directconnectiontointernalhardwa re(OEM

Module)oftheRavenXE.

• Telnet:TheRavenXEauto‐answersTCPconnectionsto

allowterminalemulationusingeitheralocalUSBEthernet

connectionorremotelyusingthecellularconnection.

Tip: By default, the Raven XE is in AT Mode and allows AT

Commands to be entered via terminal connection (through the local

port connection) or remotely (through the cellular network). PassThru

Mode can only be exited by resetting the Raven XE. All serial modes

are entered by use of a startup mode command.

Data Communication

• PublicandPrivateModes:ThemethodusedbytheRaven

XEtopassanIPaddresstoaconnecteddevice.

• Keepalive:HowtheRavenXEmaintainsitsconnectionto

thecellularnetwork.

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AirLink Communications Raven X HSDPA Betriebsanweisung Seite 61