System for connecting optical lines to a wideband telecommunicat

Details System for connecting optical lines to a wideband telecommunicat System for connecting optical lines to a wideband telecommunicat

1989-12-01

1992-02-04

Eisenzopf, Reinhard J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

359161, H04J 1400

Patent

active

050863487

ABSTRACT:
The connection system includes at least one connection assembly having at least one connection module with a connection capacity of N optical lines. A connection module comprises first, second, and third optical switch assemblies (C11 to C1n, C21 to C2n, and C31, C32). The first assembly is connected to the N optical lines, the second assembly is connected firstly to the first assembly and secondly to the junctors and the spare junctors associated with the N optical lines, and the third assembly is connected firstly to the first assembly and secondly to at least one test circuit via a line test optical fiber and via a junctor test optical fiber. When using narrowband optical switches, there are two switching assemblies, one for transmission and the other for reception of the signals conveyed by the optical lines, when using wideband optical switches, then a single switching assembly is used both for transmission and for reception, i.e. for both call directions.

REFERENCES:
patent: 4365248 (1982-12-01), Bargeton
patent: 4451708 (1984-05-01), Kemler et al.
Jtr-Japan Telecommunications Review, vol. 29, No. 2, Apr. 1987, pp. 23-29, Tokyo, Japan; M. Hirata; "High Reliability Subscriber Loops with Free Access Point Concept".

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