Nova Patents
EP0802697A3

Optical transmission system

Abstract

An optical transmission system includes an optical path cross-connect device and an electrical cross-connect device connected by a plurality of working and standby input/output interface links. Optical signals in the working and standby systems are entered from the optical path cross-connect device into the electrical cross-connect device via the working and standby interface links, respectively, and switching of working and standby transmission lines is performed electrically by the electrical cross-connect device without momentary disconnect.

EP0802697A3, drawing sheet 1
Sheet 1 of 1

Term

Term ended

Projected expiry passed 19 March 2017, 9.5 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

1 sheet

  1. Sheet 1