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OptiXstar B866G-P1 Quick Start
Do not install an ONU in an enclosed network box and verify that the air intake and
exhaust vents are not blocked to ensure proper heat dissipation.
A network box installed indoors or in a corridor free from rain must reach the IP31
protection level. Digit 3 means foreign matters with a diameter of 2.5 mm or larger cannot
enter the box, and digit 1 means vertical water drops will not cause damages to the
device).
A network box installed outdoors or in a corridor exposed to rain must reach the IP55
protection level. The first digit 5 indicates the protection level against solid foreign matters,
meaning that dust that enters the box will not cause damages to devices inside. The second
digit 5 indicates the protection level against water, meaning that water ejected from every
direction onto the box will not cause damages to devices inside.
The method for installing an ONU in a non-Huawei network box varies with the network
box specifications, but the preceding space requirements for heat dissipation must be
observed.
Issue 03 (2024-01-25)
Copyright © Huawei Technologies Co., Ltd.
3 Installing the Device
7
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