The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 1996
Filed:
Jul. 21, 1995
Ryoichi Ishibashi, Kawasaki, JP;
Fujitsu Limited, Kanagawa, JP;
Abstract
A fiber interface shelf is connected to a plurality of subscriber lines on one side and to an ATM switch module on the other side for interfacing between the subscriber lines and the ATM switch module. The fiber interface shelf comprises a plurality of fiber interface cards, each of which is connected to a corresponding subscriber line for terminating the corresponding subscriber line, and a fiber interface common card for interfacing between the subscriber lines and the ATM switch module to transfer signals therebetween, the fiber interface common card having, a plurality of selection gates, each being inputted a pair of outputs of the fiber interface cards and outputting one of the pair of outputs, and a control circuit for controlling each of the selection gates to select and output the one of the pair of outputs.