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3
Product Installation
Version: A
3-5
Note: This power adapter can convert 220V AC into 12V DC input
for the AN5506-04-A so as to supply power to the device.
3.4
Examination after Installation
After the connection of wires and cables is finished and relevant services
are started up by your ISP, it needs to power on and examine the
AN5506-04-A as below:
Switch on the power.
Observe the status of
Power
indicator LED. If
Power
indicator LED
is on, it means the power-on of the device is normal. Otherwise,
please check whether the connection of power cable is correct.
Observe the status of
LOS
indicator LED. If
LOS
indicator LED is
off, it means the optical fiber connection is normal. Otherwise,
please check whether the connection of optical fibers is correct.
Observe the status of
LAN
indicator LED. If
LAN
indicator LED is
on or blinks, it means the network cable is connected normally.
Otherwise, please check whether the connection of network cable is
correct.
Ensure the ventilation around during the device running to avoid
problems because of overheating. In the case of abnormity, contact
the local office of FiberHome for replacement, so as not to affect
equipment running.
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Version: A
4-1
4
FAQs
Q:
All indicator LEDs are off after power-on.
A:
1)
Check whether the power connection cable is connected well.
2)
Check whether the power switch on the front panel of device is on.
Q: The device fails to work after a period of normal running.
A:
1)
If the device works abnormally, check whether the power is
connected normally or the voltage is over high or over low.
2)
The device has over-heat fault. Check whether the ventilation is
normal and check whether there is direct sunshine or heat
source around.
Q: LOS indicator LED is on.
A:
1) The optical fiber is faulty. Check whether the optical fiber is
connected normally and whether it is connected to correct
interface.
2)
The upstream equipment is faulty.
3)
The
optical power is out of the normal range (such as overload).
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AN5506-04-A GPON Optical Network Unit User Manual
4-2
Version: A
Q: LAN indicator LED is off.
A:
1)
Check whether the network cable is damaged or its connection is
loose.
2)
Check whether the network cable is made correctly. If it is
incorrect, replace it with a new network cable made according to
the standard method (for making a CAT 5 twisted-pair cable).
3)
Check whether the network cable length exceeds allowable range.
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