Lots of information on grounds. To let you guys know I solved both the touch tone issue (RP on the line) and the no ring issue by Modifying the cards using the document Chris Sent me. Excellent that it worked considering I didn't want to spend any money playing around with this stuff (yet) and have about 20 obsolete 400D cards all either issue 13 or issue 8. Looks like they'll get some more life out of them yet.
I remember a time I had to do some electrical work at work. Some hacker installed a sub panel on an outside storage building and not only didn't run a ground to the box from the main, he didn't install a ground rod either. Guess he was from the "it turn on don't it?" school of electrical. Ended up putting one of those 8' copper clad iron rods into the ground to fix it. Not easy to do in NE where you hit a rock ever 2'.
I found an old Morse 202 reel to reel at the electronic recycling drop off today. I've never found one anywhere before and oddly enough one of my buddies at the bar was asking about getting one last night. Spent most of the morning fixing it up, off topic I know, but I just love old electronics. Anyway since I'm running out of time today I'll post some picture of the 620A2 another time.
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Update on the ringing. While the light flashes the phone still doesn't ring. Think I have a bad power supply. I removed the plastic cover that covered up AC1 and AC2. They show 117VAC, the out leads show 0 volts (blue wires) Looks like it goes into a 117 converter that is supposed to change it from 60HZ to 30HZ. Tried running wires from the output directly to the YS SL pair inside of the phone and it wouldn't ring. Is it common for these converters to go bad?
It happens. If you're only using the one phone line, just strap tip and ring to the yellow/slate leads going to the phone. Be sure to disconnect the jumpers connecting them to CA. Doubtful the cell to pots converter will have enough oomph to ring that old bell, but who knows.
I have some small ringing generators that convert 12 or 24 volts to 70v at 20hz. I wouldn't try to ring 4 phones with one, but it might ring one or two. I'll see if I can find one online....
I have the system mostly together now. Decided to skip adding the MOH and the 415Bs for now. Made a youtube video if you want to check it out. Thanks for all your help guys.
