Fast Ethernet Switching System User’s Guide
Col
Col means collision. The Col LED is amber when collisions occur at the port. Collisions are normal on the network. You should be concerned when a high number of collisions happen at the port.
Table 8:
LED | Lit | Dark |
100/10 (Speed) | Port is set for 100 Mbps | Port is set for 10 Mbps |
(Green) |
|
|
Link (Link) | Port is linked to another | No link |
(Green) | device |
|
FDX (Duplex Mode) | Port is in full duplex | Port is in half duplex |
(Green) |
|
|
Tx (Transmission) | Port is transmitting data | Port is not transmitting data |
(Green) |
|
|
Rx (Receiving) | Data is being received at | Port is not receiving data |
(Green) | the port |
|
Col (Collision) | Collisions are occurring at | No collisions are occurring |
(Amber) | the port |
|
LEDs | 31 |
