Of course JP1 remotes have a similar connector and we can communicate with them and do some amazing things. But those are made by UEI, not URC, so JP1 tools won't work on yours.
URC does have a device that communicates over similar pins in the mx-650 & mx-350 remotes, the device is called pcl-300. It allows you archive your remotes programming to your pc, and upgrade the code database.
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