Test cord for telephone circuits

Details Test cord for telephone circuits Test cord for telephone circuits

1980-03-31

1981-09-08

Robinson, Thomas A.

Geometrical instruments

179175, 339 75M, H04M 100, H04M 322, H04M 124

Patent

active

042886600

ABSTRACT:
A test cord including a plug suitable for testing individual subscriber circuits, terminals of which appear on a protector block mounted on a telephone main frame. The cord includes a terminal plug adapted to engage the exposed end of a telephone circuit protector module to enter recesses therein to provide electrical conductivity therebetween. The plug and module are provided with corresponding detenting means for maintaining the same in engaged condition, and corresponding guiding means to prevent such engagement in an improper mutual orientation.

REFERENCES:
patent: 3916103 (1975-10-01), Morrell et al.
patent: 4002861 (1977-01-01), Putt
patent: 4209671 (1980-06-01), Charles et al.

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