A-gear P1004T EPON Hardware Installation Manual - page 13
•
If power supply is normal for a certain circuit of EPON access device, the power indicator
lamp Power should be lit, otherwise power supply for this circuit is abnormal. When the
system is normally registered on OLT, PON lamp should be lit and LOS lamp should be
off.
5.1.2.
Failure in port, cable and link
Check the following items to facilitate isolation of problems:
•
If EPON access device port cannot be linked, check if the link cable is correct and if
opposite terminal connection is normal or not.
5.2.
Description of indicator lamps
LED indicator lamps indicate the current operation of EPON access device. A-GEAR P1004T
EPON indicator lamps and the description are as follows:
LED lamp code Quantity Color
Status
Description
POWER lamp
1
Green
Off
ONU is not switched on
on
ONU Normally switched on,
PON lamp
1
Green
Off
Indicating that ONU does not complete
MPCP and OAM discovery and registration
Flash
Indicating that ONU is trying to establish link
Normally
on
Indicating that MPCP and OAM links of ONU
have been activated
LOS lamp
1
Red
Off
Indicating that ONU received light power is
normal
Flash
Indicating that ONU received light power is
lower than the sensitivity of the light receiver
ALARM lamp
1
Green
Off
After being normally switched on, it operates
normal
Normally
on
After being switch on, failure occurs in
software operation
LAN1-LAN4
lamp
4
Green
Off
Not switched on, or Ethernet cable is not
plugged or link is not established after being
normally switched on
Flash
After being normally switched on, Ethernet
Port successfully establishes link and has data
transfer
On
After being normally switched on, Ethernet
Port successfully establishes link
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A-GEAR P1004T EPON Optical Network Unit (ONU)
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