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Ethernet Card LED Status
| LED Name - Status | Explanation |
|---|---|
| LNK - On LNK - Off |
Sucessfully linked to the network No link established. Check for: Good network condition Good cable between computer and network receptacle. Replace: Ethernet adapter Riser card System board |
| ACT - On ACT - Off |
Activity present (Transmit and Receive data to and from the network). No activity. |
| 100 TX - On 100 TX - Off |
Network speed equals up to 100Mbps Network speed equals up to 10Mbps |
Token-Ring Card LED Status
Adapter LED Status
| Amber | Green | Explanation |
|---|---|---|
| Blinking (500ms) |
Blinking (500ms) |
The adapter is active and waiting for initialization. |
| Off | Off | The adapter initialization is in progress, the computer is powered off, or the adapter is not active. Run LANAID and verify the adapter's configuration. The adapter might be configured for Plug and Play while the system is not enabled for Plug and Play. Reconfigure a valid configuration and store it to the adapter. |
| Off | Blinking (80ms) |
The adapter did not detect any problems during its self-diagnostic tests and is waiting to open. If this LED state occurs after the adapter is open, this state indicates that the adapter is closed. |
| Off | On | The adapter is open and operating correctly. |
| On | Off | The adapter self-diagnostics tests failed or there is a problem with the adapter. |
| Blinking (80ms) |
Off | The adapter is closed. One of the following conditions exists: The adapter open failed. The adapter detected a wire fault. The adapter failed the auto-removal test. |
| Blinking (80ms) |
On | The adapter has detected beaconing or a hard error. |
Token-Ring Table Terms and Definitions
| Auto-removal | The state in which a token-ring adapter port removes itself |
|---|---|
| from the network to perform self-tests to verify that it is not | |
| the cause of a hard error. If the tests are successfully, | |
| the port will reattach itself to the network. | |
| Beaconing | The state that a token-ring adapter port enters after it has |
| detected a hard error. The error condition is reported to the other | |
| devices on the network. Beaconing can result in the port removing itself | |
| from the network (auto-removal) to determine whether it is the cause | |
| of the hard error. | |
| Hard error | An error condition on a network that requires removing the source |
| of the error or reconfiguring the network before the network can | |
| resume reliable operation. | |
| Initialization | The first step taken to prepare the port for use after the computer has |
| been booted. During initialization, the port runs a series of internal | |
| self-diagnostic tests. | |
| Open | The state in which the port has established connection with other |
| devices on the ring. | |
| Wire fault | An error condition caused by a break or short circuit in the cable segment |
| that connects the port to its access unit, such as an IBM 8230 Token-Ring | |
| Network Controller Access Unit. |
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for any BUG on this page found - Thank you.