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3: Operating the Gigabit Ethernet PCI Express Board

Using LEDs to Determine Board Functionality

The ﬁber-optic and copper Gigabit Ethernet boards have light-emitting diodes (LEDs)

that indicate whether the board is conﬁgured correctly and connected to an active

Ethernet, as discussed in the following sections.

Fiber-Optic Board LEDs and Connector Speciﬁcations

Table 3-1 describes the functions of these LEDs.

During normal operation, the link LED is on; the data LED blinks whenever the board is

receiving trafﬁc.

Copper Board LEDs

The copper Gigabit Ethernet board has three LEDs per ports. Table 3-2 describes the

functions of these LEDs.

Table 3-1 LEDs on the Fiber-optic Gigabit Ethernet PCI Express Board

Components Purpose

LEDs One LED per port

Link/Activity: Turns on link, blinks on activity (green)

LEDs are located on the Fiber-Optic board visible through holes in the

metal bracket holder.

Connectors small form factor (SFF) LC

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