Airlink Raven GPRS - Manual (Page 34)

Cingular GPRS Raven User Guide Version 2.01 26
CHAPTER 8
Host Modes
The Raven can be in one of six communication modes as the Host to the computer
or other device attached to the serial port of the Raven.
AT: The Raven accepts and responds to standard, Hayes-style AT commands. This
is enabled by default.
PassThru: Direct connection to internal hardware (OEM Module) of the Raven.
PPP: The Raven is using PPP to communicate with the Host.
SLIP: The Raven is using SLIP to communicate with the Host.
UDP PAD: Any data received on the serial port is assembled into UDP packets and
send to the session's associated IP and Port (described later). Any responses
received from the associated IP and port destined for the modem's Device Port are
unwrapped and sent out the serial port.
TCP PAD: Any data received on the serial port is packaged into TCP messages and
sent to the associated connection's IP and Port (described later). Any data received
from the TCP peer is unwrapped and sent out the serial port.
The Raven can be programmed to enter any of the modes, except PassThru, auto-
matically on power up. This is done setting the Startup Mode Default (refer to MD