JP1 Remotes

aldaweb · Joined: 10 Jan 2006 Posts: 26 Location: London

Now I have a working rdf for my URC-7555 (thanks to Binky123) I've successfully uploaded an upgrade and downloaded from the remote using the USB to Serial cable attached to a JP1.x serial cable.

I've found I get the occasional 'unable to find jp1.2 interface' error but this s easily solved by unplugging the USB lead and then reconnecting.

Incidentally the URC-7555 has a small cut out for the pins which meant that an IDC 6-way plug would not fit. I ended up adding a modification between the IDC and remote made from cutting an electronic coin acceptor routing plug. Images:
JP120001.jpg
JP120002.jpg
JP120003.jpg
I don't know if this is common to any other new remotes.

nj7p · Joined: 02 Sep 2006 Posts: 3 Location: Sierra Vista, AZ

I built the interface in the 1 Aug 06 document and omitted the three parts for JP1.1. I am using Remote Control Programmer Version 7.0 (beta2) and the RDF for a URC-10820. I have selected serial. When I attempt to read the remote, I get "The interface does not appear to have power." The JP1.2 plug is properly oriiented.

The red led on the URC-10820 does flash a couple of times.

Any idea what I have doen wrong? BTW, this is very good documentation! Thanks.

Bill

jetskier · Joined: 09 Dec 2003 Posts: 287 Location: Nevada

Try selecting JP1.x rather than serial. The Serial selection is for the JP1 interfaces not the JP1.2. IIRC, the JP1.2 interface only works on COM1.

aldaweb · Joined: 10 Jan 2006 Posts: 26 Location: London

nj7p · Joined: 02 Sep 2006 Posts: 3 Location: Sierra Vista, AZ

I set it for the JP1.X interface, loaded the RDF for the 10820 and now I get a "failed to open JP1.2 interface". I also tried the raw download option. From a new initialization of the ir program, I get several flashes on the URC-10820 LED before it returns the above message.

jetskier · Joined: 09 Dec 2003 Posts: 287 Location: Nevada

There is still a bug in the JP1.2 drivers. Once it fails with that error message, you have to restart IR to reinitialize the driver/port. Even a check interface won't get it back.

nj7p · Joined: 02 Sep 2006 Posts: 3 Location: Sierra Vista, AZ

Thanks! That filled in the hole. I also found not all RS-232 cables are created equal. I had to find one the passed pins 2-5 straight through.

I have successfully downloaded the days work programming and learning the DirecTV PVR and my Tivo PVR. Now I can clone the "master" controller.

John_Doe72 · Joined: 28 Sep 2006 Posts: 2

Hi! Where can i get JP1.2 interface schematics and instructions? Old file in this topic already is not exists. Thanks.

aldaweb · Joined: 10 Jan 2006 Posts: 26 Location: London

aldaweb · Joined: 10 Jan 2006 Posts: 26 Location: London

Capn Trips · Expert Joined: 03 Oct 2003 Posts: 3990

Hey Rob!

Perhaps it's time to demote this thread from "sticky" status and relegate it to a "regular" discussion thread.
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Remotes: OFA XSight Touch, AR XSight Touch
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(But I still have to get up for my beer)