Telephone station testing apparatus

Details Telephone station testing apparatus Telephone station testing apparatus

1985-09-04

1987-10-20

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Nonquantitative

379 21, H04B 346, G01R 1914

Patent

active

047016990

ABSTRACT:
A telephone station test set performs voltage and polarity checks on four and six wire systems. Both four and six wire jacks are provided which are coupled to LED networks. A switch is provided so that both "intercom" and "data" pairs of a six wire system can be tested by the same LED networks.

REFERENCES:
patent: 3818329 (1974-06-01), Reaves
patent: 3976849 (1976-08-01), Champan
patent: 4207517 (1980-06-01), Bloxam
patent: 4210862 (1980-07-01), Koslar
patent: 4272142 (1981-06-01), Zapf
patent: 4369341 (1983-01-01), Ahuja
patent: 4544807 (1985-10-01), Sers
patent: 4582965 (1986-04-01), Lembke

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