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

 

 

 

POWER

Green

On

The ZyXEL Device is receiving power and ready for use.

 

 

 

 

 

 

Blinking

The ZyXEL Device is self-testing.

 

 

 

 

 

Red

On

The ZyXEL Device detected an error while self-testing, or

 

 

 

there is a device malfunction.

 

 

 

 

 

 

Off

The ZyXEL Device is not receiving power.

 

 

 

 

ETHERNET

Green

On

The ZyXEL Device has an Ethernet connection with a

1-4

 

 

device on the Local Area Network (LAN).

 

 

 

 

 

 

Blinking

The ZyXEL Device is sending/receiving data to /from the

 

 

 

LAN.

 

 

 

 

 

 

Off

The ZyXEL Device does not have an Ethernet connection

 

 

 

with the LAN.

 

 

 

 

 

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P-870HW-51a v2 User’s Guide