# Indicator Lights

The Intel® Ethernet Converged Network Adapter X540-T1 has the following indicator lights:

| Label | Indication | Meaning
Link | Off | Not linked to the LAN.
Green | Linked at 10Gb
Yellow | Linked at 1Gb
Activity | Off | No link.
Blinking On/Off | Actively transmitting or receiving data.

The Intel® Ethernet Server Adapter X520-T2 has the following indicator lights:

| Label | Indication | Meaning
Link | Off | Not linked to the LAN.
On | Linked to the LAN.
Activity | Off | No link.
Blinking On/Off | Actively transmitting or receiving data.

The Intel® 10 Gigabit AF DA Dual Port Server Adapter and Intel® Ethernet Server Adapter X520 series of adapters have the following indicator lights:

| Label | Indication | Meaning
GRN 10G (A or B): Green | Off | Not linked to the LAN.
On | Linked to the LAN.
ACT/LNK (A or B): Green | Off | No link.
Blinking On/Off | Actively transmitting or receiving data.

The Intel® 10 Gigabit AT Server Adapter has the following indicator lights:

| Label | Indication | Meaning
ACT/LNK | Green on | The adapter is connected to a valid link partner.
Green blinking | Data activity
Off | No link
Green blinking | Identity. Use the "Identify Adapter" button in Intel PROSet or the BLINK command in IBAUtil to control blinking. See Intel PROSet Help for more information.
1Gig/10Gig | Off | No link
Green | 10 Gbps
Yellow | 1 Gbps
FAN FAIL | Red | Over temperature event occurred. The adapter will be shut down to avoid damage.

The Intel® 10 Gigabit CX4 Dual Port Server Adapter has the following indicator lights:

| Label | Indication | Meaning
A or B | On | The adapter is connected to a valid link partner.
Blinking | Adapter is actively passing traffic. Identity. Use the "Identify Adapter" button in Intel PROSet to control blinking. See Intel PROSet Help for more information.
Off | No link.

The Intel® 10 Gigabit XF SR and LR Server Adapters 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. Identity. Use the "Identify Adapter" button in Intel PROSet to control blinking. See Intel PROSet Help for more information.
Off | No link.

The Intel® 10 Gigabit XF SR Dual Port Server Adapters 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. Identity. Use the "Identify Adapter" button in Intel PROSet to control blinking. See Intel PROSet Help for more information.
Off | No link.

`Last modified on 6/11/10 10:27a Revision`