"The phone is a remarkably complex, simple device, and very rarely ever needs repairs, once you fix them." - Dan/Panther
Started by Ed D, April 16, 2011, 06:28:31 PM
Quote from: Jim S. on April 17, 2011, 07:57:20 PMI think I have some key power supplies. These would be old Bell system supplies.Also I beleive that 555's could be wired 24 or 48. 24v will prolong lamp life.Jim
Quote from: Phonesrfun on April 17, 2011, 08:03:31 PMOne of these days I will have to get a 555. I have a 552, which is pretty useless. It looks real nice, but it was a PBX board and needed a whole room full of equipment to function.