> Hello All, > > > We manufacture a modem product which has been tested and found to comply with > FCC part 68 (& CS03). > > At a customer site, (a CO in Pittsburg) an installer was setting up our > modems on a phone system and the modem would not communicate on the lines. It > was determined ( by the site tech) that there was more line current on the > phone line than our modem could handle and a resistor (attenuator) had to be > put on the lines so it could function normally. > > Since Part 68 deals only with signal / levels that our equipment imposes onto > the network, my question is: > > Is there a standard out there that: > > 1) defines what the acceptable line levels are or should be ? > 2) defines such requirements for Modems ? > 3) prescribes appropriate testing to ensure proper operation at higher than > levels ? > > Am I making sense ?? > > I would appreciate any help from you. > > Thanks, > George >
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