
Using the BayStack 450 10/100/1000 Series Switch
Table C-3. 1000BASE-SX MDA Components
Item | Label | Description |
|
|
|
1 | Link | Communication link LEDs (green): |
|
| On: Valid communications link. |
|
| Off: The communications link connection is bad or there is no connection to |
|
| this port. |
|
| Blinking: The corresponding port is management disabled. |
2 | PHY | Phy status LEDs (green): |
| (or) |
|
| Phy Select |
|
|
| On: The corresponding Phy port is active. |
|
| Off: The corresponding Phy port is in backup mode or there is no |
|
| connection to this port. |
3 | Activity | Port activity LEDs (green): |
|
| Blinking: Indicates network activity level for the corresponding port. A high |
|
| level of network activity can cause LEDs to appear to be on continuously. |
4 |
| |
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