a-gear P1004T EPON Manuale di installazione dell'hardware - Pagina 12
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Disassembly of the equipment may require some tools, which are not included in standard
configuration of EPON access device. These tools are as follows:
• Cross screwdriver
• Anti-static hand ring
Pleas open the cover of EPON access device according to the following steps.
(1) Pull off power cable of EPON access device;
(2) Pull of all cables connected to EPON access device ports;
(3) Release screws on the equipment outer casing with screwdriver;
Note: The equipment outer casing consists of two parts: equipment cover and equipment base.
(4) Remove the cover in the direction of the arrow as shown in the following figure
(5) When the cover is opened, put it aside. The system mainboard appears.
Note:
After removal of the cover, place it stably to avoid squeezing, collision or deformation, otherwise installation of the
equipment will become difficult.
4.2.
C los e t h e e qu ip m e n t
This part mainly describes the flow for placing cover and closing the equipment.
Please operate according to the following steps:
(1)
Install the equipment cover and base in place according to the direction and
steps in 4.1-(4).
(2)
Re-install the screws and tighten them with screw driver.
(3)
Re-install EPON access device or place it on the desktop.
(4)
Equipment closing work is completed. Re-connect all cables.
A nal ys is of H ard wa re Fail ure
5.
This section describes method for failure analysis and isolation of failure from EPON access
device:
5.1.
Fa i l u re I s o l at io n
The key to settle system failure is to isolate failure from the system. Failure isolation and
settlement becomes easy by comparison between what the system should do and what the
system is doing. The following sub-systems should be considered in solving the problems:
• Power connection;
• Port, cable and link - ports on the front panel of EPON access device and cables
connected to the ports.
5.1. 1.
Powe r f a i l u re
Check the following items to facilitate isolation of problems:
• Confirm that power cable is reliably connected and power is supplied.
• Check the environmental conditions. Note that temperature required for work location
of EPON access device should be -5°C ~ 45°C.
A-GEAR P1004T EPON Optical Network Unit (ONU)
datasheet
a-gear.net
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