![](/images/new-backgrounds/1205321/20532139x1.webp)
Table 9 describes the
Table 9 450-1SR / 450-1SX MDA description
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 |
| |
|
|
|
18