Telephonic communications – Centralized switching system – Having protective circuit
Patent
1987-04-16
1989-05-02
Brown, Thomas W.
Telephonic communications
Centralized switching system
Having protective circuit
361119, 361426, 379330, H04M 300, H05K 502
Patent
active
048275026
ABSTRACT:
An environmentally protected housing for receiving a connector block in which a multiplicity of central office protector modules can be mounted. The housing is designed such that its surface area is slightly larger than the surface area of the connector block and when the block and modules are mounted in the housing the top of the modules is just below the cover of the housing. Telephone cables which are used to connect to the cables from the central office and from the subscribers enter the housing and are wired to the rear of the connector block. The connector block is mounted in the housing and the modules are placed therein. A potting compound is then poured in the bottom of the housing to thereby environmentally seal the terminals and connections thereto on the rear of the protector block. The housing has a cover which has a suitable seal on its inside surface. The closing of the cover provides the environmentally protected housing. There is a further housing in which the environmentally protected housing can be mounted.
REFERENCES:
patent: 3383565 (1968-05-01), Gritton
patent: 3564164 (1971-02-01), Prescott
patent: 3584106 (1971-06-01), Miller
patent: 3784728 (1974-01-01), Debortoli et al.
patent: 4371757 (1983-02-01), Debortoli et al.
patent: 4414606 (1983-11-01), Anderson et al.
patent: 4591950 (1986-05-01), Houpt
"WeatherGuard Outdoor Building Entry Protector"-Northern Telecom, Product Information Bulletin No. 423A, Issue No. 2, June 1985 (4 pages).
Dawson Robert H.
Suffi Louis
Brown Thomas W.
Reliance Comm/Tec Corporation
Rickin Michael M.
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