Media Dependent Adapters
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| Link |
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| Phy Select |
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| Activity |
TX | RX | TX | RX | |
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| Link |
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| Phy |
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| Activity |
TX | RX | |
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2 | 1 | 2 | 1 |
9216EA
1 = LEDs
2 =
Figure C-2. 1000BASE-LX (Longwave Gigabit) MDA Front Panels
Table C-1 describes the 1000BASE-SX MDA LEDs.
Table |
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Label | Type | Color/State | Meaning |
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Link | Communication | Green/On | A valid communication link is established. |
| link LEDs | Green/ | The corresponding port is management disabled. |
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| Blinking |
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| Off | The communication link connection is bad, or there is no |
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| connection to this port. |
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Phy Select | Phy selection | Green/On | The corresponding Phy port is selected. |
| LEDs | Off | The corresponding Phy port is in backup mode. |
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Activity | Port activity | Green/ | Indicates network activity level for the corresponding port. |
| LEDs | Blinking | A high level of network activity can cause LEDs to appear to |
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| be on continuously. |
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