Leds (Lights); Figure 2 Leds On The Top Of The Device; Table 1 Led Descriptions - ZyXEL Communications P-660R User Manual

Use QoS to efficiently manage traffic on your network by giving priority to certain types of
traffic and/or to particular computers. For example, you could make sure that the ZyXEL
Device gives voice over Internet calls high priority, and/or limit bandwidth devoted to the
boss's excessive file downloading.

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
POWER
ETHERNET
DSL
INTERNET
Refer to the Quick Start Guide for information on hardware connections.
P-660R-Tx v3 User's Guide
COLOR STATUS DESCRIPTION
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.
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.
Green On The DSL line is up.
Blinking The ZyXEL Device is initializing the DSL line.
Off The DSL line is down.
Green On The ZyXEL Device has an IP connection but no traffic.
Your device has a WAN IP address (either static or assigned by a
DHCP server), PPP negotiation was successfully completed (if
used) and the DSL connection is up.
Blinking The ZyXEL Device is sending or receiving IP traffic.
Red On The ZyXEL Device attempted to make an IP connection but
failed. Possible causes are no response from a DHCP server, no
PPPoE response, PPPoE authentication failed.
Off The ZyXEL Device does not have an IP connection.
Chapter 1 Introducing the ZyXEL Device
29