Passthru mode – Sierra Raven EDGE User Manual

Page 49

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Data Communication and Host Modes

Rev 3.0B Feb.08

45

PassThru Mode

In PassThru mode, the Raven does not behave normally, all 
port communication is passed directly between the internal 
hardware and the computer connected directly to the modem. 
This mode can be used to configure hardware‐specific settings. 
For example, provisioning, troubleshooting, communicating 
with legacy equipment, etc.

Caution: ALEOS is disabled in PassThru Mode. You cannot use
most ALEOS specific commands while the modem is in PassThru
Mode. While in PassThru mode, you also cannot use AceManager to
connect with the PinPoint.

Issuing the “AT\APASSTHRU” from a terminal emulation 
enters this mode. The modem responds with OK, at which 
point a direct connection to the internal hardware is estab‐
lished. You can also configure the modem to enter PassThru 
mode on start up using MD.

Tip: PassThru can only be exited by resetting or power-cycling the
modem. This mode cannot be entered via a remote Telnet session.

You can configure a string of AT commands to be sent to the 
Raven when it enters PassThru and other PassThru settings. 

Figure 6-1: AceManager : PassThru

PassThru Mode allows only specific AT commands. Some 
ALEOS commands will be unavailable when the Raven is in 
PassThru mode. The commands usable also depend heavily on 
the modem model number (found on the label on the top of 
the Raven). 

Note: Some internal hardware requires upwards of 20 seconds
before AT commands can be entered, so be patient if there seems to
be no response to AT commands.

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