User's Manual

Chapter 1 Introduction
P-660HN-T1H User’s Guide
24
1.5 LEDs (Lights)
The following graphic displays the labels of the LEDs.
Figure 2 LEDs
None of the LEDs are on if the ZyXEL Device is not receiving power.
Table 1 LED Descriptions
LED COLOR 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.
LAN 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.
(WPS/
WLAN)
Green On The wireless network is activated.
Blinking The ZyXEL Device is communicating with other
wireless clients.
Orange Blinking The ZyXEL Device is setting up a WPS connection.
Off The wireless network is not activated.
(DSL)
Green On The DSL line is up.
Blinking The ZyXEL Device is initializing the DSL line.
Off The DSL line is down.