Plug-in card for optical transmission apparatus

Details Plug-in card for optical transmission apparatus Plug-in card for optical transmission apparatus

2006-09-28

2009-12-29

Ton, Dang T (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S395510, C370S463000, C713S500000, C327S153000

Reexamination Certificate

active

07639702

ABSTRACT:
A plug-in card for an optical transmission apparatus includes a J1generating unit. The J1 generating unit sends information on on-use side J1 data to a plug-in card at a spare side in a redundant structure when the plug-in card operates as an on-use side plug-in card. The J1 generating unit receives information on on-use side J1 data from a plug-in card at the on-use side when the plug-in card operates as a spare side plug-in card. Based on the information, the J1 generating unit matches spare side J1 data to the on-use side J1 data. The plug-in card also includes a B3 byte calculating unit that operates in a similar way as the J1 generating unit does in processing B3 byte data.

REFERENCES:
patent: 6750687 (2004-06-01), Klecka, III
patent: 7243253 (2007-07-01), McClary et al.
patent: 2002/0097743 (2002-07-01), Baydar et al.
patent: 2000-196551 (2000-07-01), None

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