3 leds (lights) – ZyXEL Communications P-2900-4HB User Manual
Page 18

Chapter 1 Getting To Know Your ZyXEL Device
P-2900-4HB User’s Guide
18
1.3 LEDs (Lights)
The following figure displays the labels of the LED.
Figure 2 Front Panel LEDs
The following table describes the LEDs.
Table 1 Front Panel LEDs
LED
COLOR STATUS
DESCRIPTION
PWR
Green
On
The ZyXEL Device is receiving AC power.
Blinking
The ZyXEL Device is receiving sufficient power
from the battery.
Off
The ZyXEL Device is not receiving power or it is
starting up.
DS
Green
On
The ZyXEL Device has successfully found a
downstream channel.
Blinking
The ZyXEL Device is trying to search for a
downstream channel.
Off
The downstream channel is not found.
US
Green
On
The ZyXEL Device has successfully found an
upstream channel.
Blinking
The ZyXEL Device is trying to search for an
upstream channel.
Off
The upstream channel is not found.
ONLINE
Green
On
The ZyXEL Device has successfully established a
connection to the cable operator’s network.
Blinking
Slowly: The ZyXEL Device is trying to initiate a
connection with the cable operator’s network.
Fast: The ZyXEL Device is sending/receiving data
on the WAN.
Off
The coaxial cable is not connected or the cable link
is down.
LAN 1-4
Green
On
The ZyXEL Device has a successful 10/100Mb
Ethernet connection.
Blinking
The ZyXEL Device is sending/receiving data.
Off
The LAN is not connected.