ZyXEL Communications ONU-6040B-22 User Manual
Page 4
ONU-6040B-2x Series User’s Guide
4
The following table describes the LEDs in detail.
Label
Color
Status
Description
POWER
Green
On
The ONU-6040B-2x is receiving
power and is ready.
Off
The ONU-6040B-2x is not receiving
power.
PON
Green
On
Connection to the optical network is
up.
Off
Connection to the optical network is
down.
Blinking The ONU-6040B-2x is trying to
register to an OLT.
LOS
Red
Blinking The ONU-6040B-2x is receiving error
signals or no optical signals from the
OLT.
Off
The ONU-6040B-2x is receiving good
optical signals from the OLT
successfully and no error signals.
LAN1 ~ 4
Green
On
The LAN port is connected to an
Ethernet device at 10/100 Mbps.
Blinking The ONU-6040B-2x is sending or
receiving data at 10/100 Mbps.
Off
No Ethernet device is connected to
the LAN port.