Wire termination block switching arrangement

Details Wire termination block switching arrangement Wire termination block switching arrangement

1975-11-24

1977-07-12

Claffy, Kathleen H.

H04Q 102

Patent

active

040355870

ABSTRACT:
A system for use in a telephone switching office for coupling telephone connector switches either to line group switches or to call intercept apparatus. The system includes a plurality of number terminal blocks and group terminal blocks, each of which have groups of terminal posts. Certain terminal posts of each group of the number terminal blocks are coupled to connector switches and certain other terminal posts are coupled to the call intercept apparatus. Certain of the terminal posts of each group of the group terminal blocks are coupled to line group switches. Also included is a plurality of switching tools, each of which is mounted on a different group of terminal posts of the number terminal blocks and each of which includes a first and second group of terminal posts. Included in each switching tool is apparatus for coupling certain of the number terminal block terminal posts on which the tool is mounted to certain of the switching tool terminal posts of the first group and apparatus for alternatively connecting certain other of the number terminal block terminal posts either to certain other switching tool terminal posts of the first group or to the second group terminal posts. The terminal posts of each switching tool are arranged so that an intercept tool may be mounted thereon in the same manner that such intercept tools are mounted on the terminal posts of number terminal blocks.

REFERENCES:
patent: 2858372 (1958-10-01), Kaufman
patent: 2939937 (1960-06-01), Rejdin et al.
patent: 3312927 (1967-04-01), Garrett
patent: 3548361 (1970-12-01), Garrett et al.
patent: 3611268 (1971-10-01), Webb
patent: 3700824 (1972-10-01), De Luca
patent: 3832498 (1974-08-01), Lawson

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