In the link to the unit he bought off ebay, in the photo the GE Mastr II was the IDA equipped version. Doesn't have a card rack to plug the PSE into. Of course you could wire it in, but not as convenient as having the original style card rack where you just plug it in.
Ralph W4XE ----------------------------------------------------------- Duplexer? Nope, didn't say anything about a duplexer. You mentioned using the PSE508-2 controller (which does one tone), and I suggested using the -3 version instead to get the 4 tones.