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Raven CDMA User Guide for Verizon, version 2.23 23
CHAPTER 6 Host Modes
The Raven plays the part of a host when its serial port is connected to a computer or
another device. As the host, the Raven can be in one of six communication modes.
AT: The Raven accepts and responds to standard, Hayes-style AT commands.
PassThru: Direct connection to internal hardware (OEM Module) of the
Raven.
PPP: The Raven uses PPP to communicate.
SLIP: The Raven uses SLIP to communicate.
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.
By default, the Raven is in AT Mode and allows AT Commands to be entered via
Telnet (through the serial port connection) or remotely (through the cellular net-
work).
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