ZyXEL Communications Prestige P-870HW-51a v2 - Manual (Page 21)

Chapter 1 Introducing the ZyXEL Device
P-870HW-51a v2 User’s Guide
21
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
R
STATUS DESCRIPTION
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
1-4 Green On The ZyXEL Device has an Ethernet connection with a
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.