Universal SFP support

Details Universal SFP support Universal SFP support

2004-04-30

2008-12-02

Kindred, Alford W. (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

C710S016000, C710S062000, C370S248000

Reexamination Certificate

active

07461179

ABSTRACT:
Techniques for supporting optical and electrical protocols, such as on the ports of a line card in a network device, are provided. A port on a line card supports optical and electrical connections. The PHY monitors a signal to determine if the transmission connection at the port has changed, such as from optical to electrical, or vice versa. If there has been a change, the PHY is directed to reset a port to correspond to the appropriate transmission connection. By resetting the port, the PHY changes the protocol that is utilized with the signals (e.g., NRZI or 3-Level MLT3).

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BCM5201/BCM5202 10/100BASE-TX/FX Mini-φ™ Transceiver; Mar. 2, 1999; Broadcom Corporation; pp. 1-49.

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