Netgear GA621 Reference Guide - Page 49

Troubleshooting

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CHAPTER 8: TROUBLESHOOTING This chapter provides troubleshooting information for the NETGEAR GA621 Fiber Gigabit Ethernet Card. Checking the Port LEDs GA621 Fiber Gigabit Ethernet Card The front panel of the GA621 has three LEDs: one for each port speed option (100 Mbps and 1000Mbps) to indicate which link is active, and one LED for data transfer status (see Figure 2-1 on page 2-5). Before the port LEDs can provide troubleshooting information, the card must be connected to the network (see Chapter 2), and the network drivers for your particular operating system must be installed (see Chapter 3 through Chapter 7). 1. Verify that the card driver software has been installed and that the card is connected to a network. 2. Verify that the card status LEDs operate as described in the Table 8-1. Table 8-1. GA621 (1000BASE-SX) Port LED Activity LED State Description DATA Blinking On Off Brief bursts of data detected on the port. Streams of data detected on the port. No data detected on the port. LINK On Off Good Gigabit Ethernet link. No 1000 Mbps link; possible link at different speed, possible bad cable, bad connector, or configuration mismatch. troubleshooting 8-1

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troubleshooting
8-1
CHAPTER 8: TROUBLESHOOTING
This chapter provides troubleshooting information for the NETGEAR GA621 Fiber
Gigabit Ethernet Card.
Checking the Port LEDs
GA621 Fiber Gigabit Ethernet Card
The front panel of the GA621 has three LEDs: one for each port speed option
(100 Mbps and 1000Mbps) to indicate which link is active, and one LED for data
transfer status (see Figure 2-1 on page 2-5).
Before the port LEDs can provide troubleshooting information, the card must be
connected to the network (see Chapter 2), and the network drivers for your particu-
lar operating system must be installed (see Chapter 3 through Chapter 7).
1.
Verify that the card driver software has been installed and that the card is
connected to a network.
2.
Verify that the card status LEDs operate as described in the Table 8-1.
Table 8-1.
GA621 (1000BASE-SX) Port LED Activity
LED
State
Description
DATA
Blinking
Brief bursts of data detected on the port.
On
Streams of data detected on the port.
Off
No data detected on the port.
LINK
On
Good Gigabit Ethernet link.
Off
No 1000 Mbps link; possible link at different speed, possible bad cable,
bad connector, or configuration mismatch.