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2.3
Installations preparations
2.3.1
Safety precautions
Check the following working environment and installation requirements:
During installation, wear ESD wrist straps or gloves. And the OLT should be powered
−
off.
Please use the included power adapter/power cord.
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Ensure that the input voltage is within the input range indicated on the OLT.
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The device should be installed in a dry, cool place and at least have a 10 cm space
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away from its surroundings at both sides for ventilation.
The device should be located far away from the heat source or other sources of strong
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electromagnetic interference (such as power lines, lights, power grid).
Keep the air in the operating environment clean. Remove dust of the OLT regularly.
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Disconnect the power supply before cleaning the OLT. Do not clean the OLT with any
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liquid.
Do not open the chassis of the OLT.
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Do not place heavy objects on the OLT.
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2.3.2
Preparations before installations
Ensure that the related cables (such as optical fibers, Ethernet cables, grounding
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cables) are properly routed.
Ensure that the cable and connectors used for installation are normal.
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If the OLT adopts rack mounting method, ensure that you have prepared the
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necessary mounting screws, nuts and tools (such as ladders, screwdrivers).
If the OLT adopts DC power supply mode, prepare cables for connecting the -48 V DC
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power supply to the -48 V DC power input port of the OLT device (two cables for
connecting the positive and negative terminals of the power supply respectively).
Prepare the following items to connect to the OLT for network connectivity and
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network management checks:
A management platform, such as a computer
⚫
RJ45/DB9 RS232 Console line
⚫
Universal USB Type-C cable (for Console management)
⚫
7
Document version: V1.0
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