User Guide
4
Troubleshooting
4.1
ONT Status LEDs
The ONT status LEDs assist with installation and maintenance procedures.
These LEDs are described in Table 8.
Figure 6 ONT Status LEDs location
Table 8 T073G LED Description
LED
Color Status
Indication
G102381A
POWER
Green
Solid
ONT is operating from AC power
Slow Blink ONT is operating from UPS power
Fast Blink System Booting
Red
Solid
UPS battery low
LINK
Green
AUTH
Green
Solid
Optical link is OK
Off
Optical link is NOT OK
Solid
ONU is authorized
Blink
ONU is registering
Off
ONU is NOT authorized
LAN1/4
Green
Solid
LAN port connected, but no data
transmission.
Blink
LAN port has data transmission
Off
LAN port is not connected to terminal
device or system power is off
12
220-00602 R10 | October, 2013