Top critical review
One person found this helpful
Unit Works After Some Difficulty
on February 3, 2016
Like other reviewers, I was not aware that a power supply was not included. The supply needed is a 5V A/DC, 1A unit with a 5.5mm od barrel-2.1mm id. I used the toslink cable to connect a DIRECTV Genie HR54/700 satellite receiver/DVR to a legacy analog stereo amplifier. The unit did not work correctly after hooking up all the cables and the power supply. I read the reviews regarding the digital signal protocol and attempted to find out which protocol the Genie put out. The manual (as well as Amazon web site) specify that the unit expects 24-bit S/PDIF incoming signal. I called DIRECTV and a technician came. He removed the toslink cable from the converter unit and reinserted and at a point the sound could be heard on the analog amplifier. He informed me that toslink connections are very sensitive to the depth of the end plug's insertion into a port. So on this Portta unit, I had to move the toslink plug in and out in small increments until the signal worked. So moving the unit around can cause the signal to be lost, but adjusting the plug allows it to work again. I still don't know what signal protocol the Genie puts out, but this unit does work as designed in this configuration. I rated it 3 stars because I had to find out what power supply it needed, order it, and then have to get help to get the toslink cable to work in the port on the unit. I'm sure the audio coax unit would have been easier to hook up.