Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!slxsys!stevem From: stevem@specialix.co.uk (Steven Murray) Newsgroups: sci.electronics Subject: Re: Drawing DC phone current Keywords: SK2086, phones Message-ID: <1991May31.135017.13702@specialix.co.uk> Date: 31 May 91 13:50:17 GMT References: <8053@nst> <1084@eplunix.UUCP> <1991May29.084859.5324@specialix.co.uk> <8085@nst> <107170@sgi.sgi.com> Organization: Specialix International, London Lines: 24 rpw3@rigden.wpd.sgi.com (Rob Warnock) writes: >In article <8085@nst> grayt@Software.Mitel.COM (Tom Gray) writes: >+--------------- >| Telephone line circuit switch hook detectors are designed to operate >| at currents ABOVE 12mA. They are also designed NOT TO operate at >| currents LESS than 7mA. >| >| No problem will result if you draw less than the 7mA from the loop. >+--------------- >No *immediate* operational problem... However, in the nightly automatic test >scans [forgot the Telco acronym], your line will be flagged as "leaky", and >may eventually spit out a trouble ticket. When they figure out the "leak" is >inside your house, they'll send you the "repair bill" for a "false service >call due to customer premises equipment". Hey! Thats neat! Do you know what current the test flags as a leak? -- Steven Murray uunet!slxsys!stevem stevem@specialix.co.uk I am speaking, but | If these are your opinions, then we are in agreement!! not for my employer.| Flames, spelling errors, complaints > /dev/null