
Chapter 1 Introducing the ZyXEL Device
1.5 LEDs (Lights)
The following graphic displays the labels of the LEDs.
Figure 2 LEDs on the Top of the Device
None of the LEDs are on if the ZyXEL Device is not receiving power.
Table 1 LED Descriptions
| LED | COLO | STATUS | DESCRIPTION | |
| R | ||||
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| POWER | Green | On | The ZyXEL Device is receiving power and ready for use. | |
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 | Blinking | The ZyXEL Device is  | |
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| 
 | Red | On | The ZyXEL Device detected an error while  | |
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 | there is a device malfunction. | |
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| 
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 | Off | The ZyXEL Device is not receiving power. | |
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| ETHERNET | Green | On | The ZyXEL Device has an Ethernet connection with a | |
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 | device on the Local Area Network (LAN). | ||
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| 
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 | Blinking | The ZyXEL Device is sending/receiving data to /from the | |
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 | LAN. | |
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| 
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 | Off | The ZyXEL Device does not have an Ethernet connection | |
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 | with the LAN. | |
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