Don't pitch them yet. If all else fails, they are programmable devices and can be recycled. I'll take them if no one else needs them. I can read what's in them and see if I can make sense out of it.
73, Dick, W1KSZ -----Original Message----- >From: "larryjspamme...@teleport.com" <lar...@teleport.com> >Sent: Mar 27, 2010 4:30 PM >To: Repeater-Builder@yahoogroups.com >Subject: [Repeater-Builder] Anyone familiar with this NPC 243 ID'er? > >I picked up what appears to be a bunch of base station / Repeater ID'ers. I >have no other clue as to anything else that they might be. They're an NPC >model 243 - I haven't found anything on the web about them. They are a circuit >board mounted in a small box (6-1/2" X 5-3/4"), which is a little smaller than >an S-COM 5K, 6K, or similar box, and the box is mounted to a 19" wide rack >panel that is 1-3/4" high. > >The circuit board has four-Mitsubishi PROMs - with cover labels over the >windows, and they've been marked as "1", "2", "3", and "800 Hz". The PROMs >labeled 1, 2, and 3 are 28-pin ICs marked MSL2764K and also have numbers that >appear to be 82 and 83 date codes. The 4th PROM labeled "800 Hz" is a 24-pin >MSL2732K IC with an 83 date code. > >The circuit board has a connector with a ribbon cable that goes to an 18-pin >terminal strip on the back of the box. The front of the rack panel has a small >opening for a small circuit-board-mounted speaker, a front-panel hole for a >screwdriver adjusted "AUDIO ADJ." pot that's on the circuit board, a green >"ON" LED, and a "TEST" push button. There are two - seven position and one - >five position DIP switches on the circuit board, as well as several movable >2-pin jumpers. I see several other things on the circuit board like a >3-terminal voltage regulator IC, an LM380N IC, and about a dozen other 14 and >16-pin ICs. > >Anyone familiar with these units? Or should I just chuck them into the >dumpster? > >Larry > > >------------------------------------ > > > >Yahoo! Groups Links > > >
