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» Film-Tech Forum   » Operations   » Digital Cinema Forum   » Unable to connect Christie TPC over Ethernet

Author Topic: Unable to connect Christie TPC over Ethernet
Lucas Crantschaninov
Film Handler

Posts: 2
From: São Paulo, SP, Brazil
Registered: May 2017

 - posted 12-03-2017 02:45 PM      Profile for Lucas Crantschaninov   Email Lucas Crantschaninov   Send New Private Message       Edit/Delete Post 
Hello guys,

I'm trying to connect a Christie Series 2 Touch Panel with the projector over the ethernet cable, instead of using the provided TPC cable.

When using the original TPC cable attached to the back of the projector, everything works fine, but when unplugging this cable and using the ethernet port at the bottom of the TPC + a 24VDC Power Supply, I get the "PIB Connection lost" alarm.

I've tried to manually set the TPC's IP under the projector range but had no luck.

Does someone had a similar experience? Any hint?

Thanks [Big Grin] !

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Dave Macaulay
Film God

Posts: 2173
From: Toronto, Canada
Registered: Apr 2001

 - posted 12-03-2017 03:53 PM      Profile for Dave Macaulay   Email Dave Macaulay   Send New Private Message       Edit/Delete Post 
I don't know for sure but I think the TPC connects through the umbilical via serial to the projector. Otherwise how would it adjust the various projector IP addresses?
Or - the TPC connects to the projector router, and possibly the router won't pass some connections to the TPC on the external port? It is not just a dumb switch.
I've never considered remote mounting of the TPC with network communication and no umbilical. It's easy with a Barco DCTP but even there a serial link is still needed for some "out of the ordinary" tasks.

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Adrian Avram
Film Handler

Posts: 40
From: Iasi, Romania
Registered: Oct 2013

 - posted 12-04-2017 01:33 AM      Profile for Adrian Avram   Email Adrian Avram   Send New Private Message       Edit/Delete Post 
The PIB's router is expecting TPC communication on a specific port, via the connector J10/P10 on the backplane. If you can tap into those 4 wires, with a ETH socket, then your remotely located TPC (with local PS) will talk with the projector via the ethernet cable.

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Stephan Shelley
Jedi Master Film Handler

Posts: 722
From: castro valley, CA, usa
Registered: Nov 2014

 - posted 12-06-2017 05:59 PM      Profile for Stephan Shelley   Email Stephan Shelley   Send New Private Message       Edit/Delete Post 
What Adrian says. The TPC, PIB and ICP are on an internal network . The management network is an external network. You could make a breakout from the DIN connector on the projector and it should work. Do not change the IP address of the TPC. It will only work with the address it came with. Christie sells 30' extension cables for the TPC.

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12322
From: Annapolis, MD
Registered: Dec 1999

 - posted 12-07-2017 01:50 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
A clue to the Christie IP scheme is in their ICP recovery where they have you connect your PC to the internal network on a 192.168.254.x IP scheme (they suggest your 4th octet be 99.

Now this doesn't tell you the port(s) that the TPC is using for communication or the TPC's IP address but that can be found. I haven't tried but either by going into the TPC's WinXP environment or by merely using an app like WireShark while your PC is connected directly to it. Asking Christie tech support might also be worthwhile. The worst they can do is tell you no/nothing.

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Stephan Shelley
Jedi Master Film Handler

Posts: 722
From: castro valley, CA, usa
Registered: Nov 2014

 - posted 12-07-2017 02:52 PM      Profile for Stephan Shelley   Email Stephan Shelley   Send New Private Message       Edit/Delete Post 
The internal IP for the TPC is This does not change with the projector IP configuration. It is not like the series 1 Christies or the touchpanel commanders for Barcos.

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