Indicator Lights

The Intel Server and Desktop network adapters feature indicator lights on the adapter backplate that serve to indicate activity and the status of the adapter board. The following tables define the meaning for the possible states of the indicator lights for each adapter board.

Intel® 10 Gigabit Server Adapters

Intel® Gigabit Network Adapters

Intel® Pro/100 Network Adapters

 

Intel® 10 Gigabit Server Adapters

The Intel® Ethernet Converged Network Adapter X520-4 has the following indicator lights:

 

 Label

Indication Meaning
 ACT/LNK Green Linked at 10Gb
Yellow Linked at 1Gb

Blinking On/OFF Actively transmitting or receiving data
Off No link.

 

The Intel® Ethernet Converged Network Adapter X520-Q1 has the following indicator lights:

 

 Label

Indication Meaning
 ACT/LNK Green Linked at 10Gb
Yellow Linked at 1Gb

Blinking On/OFF Actively transmitting or receiving data
Off No link.

 

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

 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.

 

Intel® Gigabit Network Adapters

The Intel® Gigabit CT2, Gigabit CT, PRO/1000 T, and PRO/1000 MT Desktop Adapters have 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 Intel® Ethernet Server Adapter I350-T4, I340-T4, Gigabit ET and PRO/1000 PT Quad Port LP Server Adapters have 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.
10=OFF
100=GRN
1000=YLW
Off 10 Mbps
Green 100 Mbps
Yellow 1000 Mbps
Orange flashing Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.

 

The Intel® Ethernet Server Adapter I350-T2, I340-T2, PRO/1000 P, PT Dual Port, and Gigabit ET Dual Port Server Adapters have 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.
10=OFF
100=GRN
1000=YLW
Off 10 Mbps
Green 100 Mbps
Yellow 1000 Mbps
Orange flashing Identity. Use the "Identify Adapter" button in Intel PROSet to control blinking. See Intel PROSet Help for more information.

 

The Intel® Ethernet Server Adapter I340-F4 has the following indicator lights:

Label

Indication Meaning
 GRN=1G Green on The adapter is connected to a valid link partner.
Green flashing Data activity
Off No link.

 

The Intel® PRO/1000 PF Quad Port 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.

 

The Intel® PRO/1000 PT 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.
10=OFF
100=GRN
1000=YLW
Off 10 Mbps
Green 100 Mbps
Yellow 1000 Mbps
Orange flashing Identity. Use the "Identify Adapter" button in Intel® PROSet to control blinking. See Intel PROSet Help for more information.

 

The Intel® 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 Intel® PRO/1000 MT and GT Dual Port Server Adapters have the following indicator lights for each port:

 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 Intel® PRO/1000 MT, GT and PT Quad Port Server Adapters have the following indicator lights for each port:

 Label

Indication Meaning
Top LED

ACT/LNK

Green on The port is connected to a valid link partner.
Green flashing Data activity
Off No link.
Orange flashing Identity. Use the "Identify Adapter" button in Intel PROSet to control blinking. See Intel PROSet Help for more information.
Bottom LED

10=OFF
100=GRN
1000=OR

Off 10 Mbps
Green 100 Mbps
Orange 1000 Mbps

 

The Intel® PRO/1000 MF and PF Server Adapters have 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® PRO/1000 MF, PF, and Gigabit EF Dual Port Server Adapters have the following indicator lights for each port:

 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® 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.

 

The Intel® 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 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 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.

 

Intel® Pro/100 Network Adapters

The Intel® PRO/100+, PRO/100 M, PRO/100 S , and PRO/100 VE and VM Desktop adapters and Network Connections have the following indicator lights:

 Label

Indication

Meaning
 ACT/LNK On The adapter and switch are receiving power; the cable connection between the switch and adapter is good.
  Off The adapter and switch are not receiving power, or you have a driver configuration problem.
  Flashing The adapter is sending or receiving network data. The frequency of the flashes varies with the amount of network traffic.
 100TX On Operating at 100 Mbps.
  Off Operating at 10 Mbps.

 

The PRO/100+ Dual Port Server adapter (with three LEDs per port) has the following indicator lights:

 Label Indication Meaning
 LNK On The adapter and switch are receiving power; the cable connection between the switch and adapter is good.
Off The adapter and switch are not receiving power; the cable connection between the switch and adapter is faulty; or you have a driver configuration problem.
 ACT On or flashing The adapter is sending or receiving network data. The frequency of the flashes varies with the amount of network traffic.
  Off The adapter is not sending or receiving network data.
 100 On Operating at 100 Mbps.
  Off Operating at 10 Mbps.

 

The Intel® PRO/100 S Dual Port Server adapter (with 64 bit PCI Connector) has the following indicator lights:

 Label Indication Meaning
 ACT/LNK On The adapter and switch are receiving power; the cable connection between the switch and adapter is good.

NOTE: if only one port appears to be operating, go into the Network control panel (Windows) or a configuration file for other operating system, and check the status of the second port.

Off The adapter and switch are not receiving power, or you have a driver configuration problem.
  Flashing The adapter is sending or receiving network data. The frequency of the flashes varies with the amount of network traffic.
 100TX On Operating at 100 Mbps.
  Off Operating at 10 Mbps.