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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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duplicating phone and ring voltage
I need to connect some telephone-type things together in my own little
circuit, and test them, but I don't know a simple method or what voltages to use. I think I need to use some wire, some kind of DC power, something to put a ring-signal on the line, a phone, and whatever I am testing. For example, I'm getting a replacement for my all-time favorite phone answering machine, but the owner has forgotten the 3-digit code for remote message retrieval. I'm willing to try all 900 or 1000, probably while I'm watching tv, but only if I can get it to go quickly. So I need a test line to ring it directly, have the machine answer, and punch in the code. Also I have 2 fax machines, one that sends and one that receives! I'm pretty sure I can get it down to one that does both. I don't have two phone lines, and even if I did, I think things would run quicker with my own little circuit. In the 7th grade, we had two candlestick phones and a dry cell to play with during ham radio club, and everything worked (except it didn't ring, but that was ok because they had no bells. ) Any help appreciated. |
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