# Indicator Lights

The Intel® PRO/1000 F Server adapter has the following indicator lights:

| Label | Indication | Meaning
TX | On | The adapter is sending data.
RX | On | The adapter is receiving data.
LNK | On | The adapter is connected to a valid link partner and is receiving link pulses.
Off | No link.
not labeled | Flashing | Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.

| NOTE: Fiber-based adapters operate only at 1 gigabit. They do not step-down in speed.

The Intel® PRO/1000 T Server Adapter has the following indicator lights:

| Label | Indication | Meaning
not labeled | Flashing | Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.
LNK | On | The adapter is connected to a valid link partner.
Off | No link.
ACT | On | Data is being transmitted or received.
Off | No data activity.
10/100/1000 | Off | 10 Mbps
Green | 100 Mbps
Yellow | 1000 Mbps

The PRO/1000 XT Server Adapter has the following indicator lights:

| Label | Indication | Meaning
ACT/LNK | Green on | The adapter is connected to a valid link partner.
Green flashing | Data activity
Off | No link.
Yellow flashing | Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.
10=OFF 100=GRN 1000=YLW | Off | 10 Mbps
Green | 100 Mbps
Yellow | 1000 Mbps

The PRO/1000 MT Server Adapter has the following indicator lights:

| Label | Indication | Meaning
ACT/LNK | Green on | The adapter is connected to a valid link partner.
Green flashing | Data activity
Off | No link.
Yellow flashing | Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.
10=OFF 100=GRN 1000=YLW | Off | 10 Mbps
Green | 100 Mbps
Yellow | 1000 Mbps

The PRO/1000 MT Dual Server Adapter has the following indicator lights:

| Label | Indication | Meaning
ACT/LNK | Green on | The port is connected to a valid link partner.
Green flashing | Data activity
Off | No link.
Yellow flashing | Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.
10=OFF 100=GRN 1000=YLW | Off | 10 Mbps
Green | 100 Mbps
Yellow | 1000 Mbps

The PRO/1000 MF Server Adapter has the following indicator lights:

| Label | Indication | Meaning
ACT/LNK | On | The adapter is connected to a valid link partner.
Blinking | Adapter is actively passing traffic.
Off | No link.

The PRO/1000 MF Dual Port Server Adapter has the following indicator lights:

| Label | Indication | Meaning
ACT/LNK | On | The adapter is connected to a valid link partner.
Blinking | Adapter is actively passing traffic.
Off | No link.

The PRO/1000 XF Server Adapter has the following indicator lights:

| Label | Indication | Meaning
LNK | On | The adapter is connected to a valid link partner.
Off | No link.
ACT | On | Data is being transmitted or received.
Off | No data activity.
not labeled | Flashing | Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.

| NOTE: Fiber-based adapters operate only at 1 gigabit. They do not step-down in speed.

`Last modified on 1/14/03 2:49p Revision 8`