P-660R-Tx v2 Series User’s Guide
Chapter 1 Getting To Know Your ZyXEL Device 33
1.4 Front Panel LEDs
The following table describes the LEDs on the front panel.
Table 2 Front Panel LED Description
LED COLOR STATUS DESCRIPTION
POWER Green On The ZyXEL Device is receiving power and functioning properly.
Blinking The ZyXEL Device is rebooting.
Off The ZyXEL Device is not ready or has malfunctioned.
Red On The power to the ZyXEL Device is too low.
ETHERNET Green On The ZyXEL Device has a successful 10/100 Mbps Ethernet
connection.
Blinking The ZyXEL Device is receiving or sending data.
Off The LAN is not connected.
DSL Green On The ZyXEL Device is linked successfully to a DSLAM.
Blinking
(Slow)
The ZyXEL Device is initializing the DSL line.
Blinking
(Fast)
The ZyXEL Device is sending or receiving traffic.
Off The DSL link is down.
INTERNET Green On The ZyXEL Device has a PPP (PPPoA or PPPoE) connection.
Blinking The ZyXEL Device is sending or receiving PPPoA or PPPoE
traffic.
Off The ZyXEL Device does not have a PPP (PPPoA or PPPoE)
connection.
