He carries a complete set of cables (pc or mac to stb) that are tested to work. Other cables/adapters are unknown (use at your own risk).īe careful, a lot of these adapters are no longer pl2303 based although they carry the same Model number.Works flawlessly on an H23 receiver (also works with D11, D12, and H20) and has additional logic to eliminate the channel banner quickly. Paterson Technology USB TV Translator.Dynex DX-UBDB9 purchased off of ebay (February 2009 and August 2009) work fine on the H20-600, H20-100 and H21-200., which shows up under linux as 'Prolific Technology, Inc.This has been reported to work on both the HD20-100 and D11-500 boxes as of November, 2007. Previously, they were a good and inexpensive supplier, but the replacement cables are not compatible. JUpdate: It has been reported that EMTC ( ) is no longer shipping linux compatible (PL2303) cables.A new IOGear GUC232A unit worked for me on, so either they still use the older rev (unlikely) or DirecTV upgraded to a newer Linux kernel that fixes the driver bug with the new revision (likely).These are now using the pl2303X chips instead of the pl2303 and do not work. WARNING: I ordered two of these (Sabrent?) and they no longer work with the DirecTV box.IOGEAR GUC232A, ATEN UC-232A (pl2303), BAFO BF-810, QVS UR-2000M2, Sabrent SBT-USC1M and other PL2303 based adapters are known working.WARNING: I ordered one of these and it no longer works with the DirecTV box.The Sabrent USB->Serial port adapter ( ).Apparently, that red reset button does something particularly special. Further, neither rebooting from the UI nor yanking the power cord is sufficient. The docs that say the port is hot-swap are lying. WARNING: You MUST hit the red reset button for many DirecTV receivers to recognize USB-to-serial adapters. There are a few well known ones that are made with compatible chipsets (the PL-2303 comes to mind), but there are many more that do not work with any flavor of linux. WARNING: Not all USB to Serial port adapters are compatible with linux. Nearly all of them have the ability, although not directly advertised, to be controlled from an external device, such as a MythTV BackEnd. 16 Serial -> RJ45 (Pin to Wire) MappingĭirecTV supplies and has supplied a variety of set top boxes (referred to as 'STB' from here on) to consumers.14 Mini RJ11 (RJ22 or 4P4C) to Serial Port mapping.13 Mini RJ11 (RJ22 or 4P4C) Port Pinout.12 Working around some missing functionality on the channel change script.10 Watch out for Xwindows using the serial port by default.8 Making Your Own Custom Cable (D10/RCA).2.1 Official USB to Serial Cable Support.

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