Optical communications – Multiplex – Optical switching
Reexamination Certificate
2005-02-14
2009-11-17
Vanderpuye, Ken N (Department: 2613)
Optical communications
Multiplex
Optical switching
C398S043000, C398S049000, C398S050000, C398S111000
Reexamination Certificate
active
07620320
ABSTRACT:
The present invention is directed to a Fiber Selective Control Switch system for simulating human intervention during a test process for fiber network environments. The Fiber Selective Control Switch system may comprise a MCU, and at least one FSCS module mounted on a SFP device. The MCU is download programmable with basic code, which remotely controls FSCS modules. Each FSCS module coupled to the MCU may include two MOSFETs and a pull down resistor. A positive signal voltage from the MCU to the FSCS module mounted on SFP device will disconnect the fiber connection. A low signal voltage from the MCU to the FSCS module will re-connect the fiber connection. Advantageously, the FSCS system may not affect normal fiber operations due to fast switching characteristics of MOSFET devices and the MCU's low power requirement.
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Mayes Joseph E.
VonLeiner Manfred
LSI Corporation
Suiter Swantz pc llo
Vanderpuye Ken N
Woldekidan Hibret A
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