Remote data line monitor

Details Remote data line monitor Remote data line monitor

H - Electricity

04

M

379/5, 379/8

H04M 11/00 (2006.01) H04M 1/64 (2006.01) H04Q 9/02 (2006.01)

Patent

CA 1063270

ABSTRACT OF THE DISCLOSURE The disclosure herein provides a circuit which can be connected to data lines coming into a multiplexer at a remote location where those data lines are multiplexed or information otherwise concentrated for transmittal to a central location; the circuitry has associated with it a unique telephone number which, when dialed by someone at the central facility, connects the data monitor to the central facility via the telephone lines; each of the data lines is associated with a unique coded number so that, when that number is entered into the interrogating telephone by a touch-tone pad, dial or the like, the data monitor decodes the signal and operates a relay associated with the identified line to couple that line to an audio buss; the information on the audio buss is then applied to the telephone line and transmitted back to the remote station where it can be monitored and any problem diagnosed.

259106

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