3Com 710026, 3C985B-SX, 3C986-T, 710011, 710024, 710025 Verifying NIC Functionality, 1000Base-SX NIC

2 Installing the NIC Software

Verifying NIC Functionality

1000Base-SX NIC

1000 SX- DATA

BASE LINK

TX RX

Connectors

The faceplate of the NIC has one 1000Base-SX fiber-optic connector for connecting the NIC to a Gigabit Ethernet segment.

LEDs

There are two LEDs on the faceplate: one to indicate link status and one for data transfer status. Once the NIC hardware and its driver software have been properly installed on your system, the LEDs indicate the following NIC states:

1000Base-SX NIC Port LED Activity

LED	State	Description
Data	Blinking	Data detected on the port.
	On	Data detected on the port.
	Off	No data detected on the port.
Link	Blinking slowly	Port has been disabled by software.
	On	Good link.
	Off	No link; possible bad cable, bad connector, or
		configuration mismatch.

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