Method for starting lasers in a network

Details Method for starting lasers in a network Method for starting lasers in a network

2004-08-10

2009-08-11

Curs, Nathan M (Department: 2613)

Optical communications

Fault recovery

C398S140000, C398S151000

Reexamination Certificate

active

07574132

ABSTRACT:
A method for starting lasers in a network is provided. According to the method, a restart phase in automatic mode is initiated after the laser is disconnected. During the restart phase in automatic mode, which is accompanied by a delay time for the new laser connection, the automatic mode is switched to a different mode in which the new connection of the laser takes place faster than in automatic mode. This can be achieved by switching to manual mode as per ITU-T G.664. Furthermore, safety measures are defined before activating switching from the network management or a network element control so that safety is ensured during the fast, new connection of the laser.

REFERENCES:
patent: 6626587 (2003-09-01), Marmur
patent: 2003/0194233 (2003-10-01), Casanova et al.
patent: 1 003 300 (2000-05-01), None
patent: 1003300 (2000-05-01), None
patent: 1 130 805 (2001-09-01), None
International Telecommunication Union, “ITU-T G.664: Optical Safety Procedures and Requirements for Optical Transport Systems”, Mar. 2003, pp. 1-18, XP002307774.

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