2
Checking Upstream Optical Port Optical
Power
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When measuring upstream optical port optical power, do not stand close to or look into the
optical port without eye protection.
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The Rx optical power of the upstream optical port on the MA5833 must be within the Rx
optical power range. Otherwise, the optical module will be damaged (excessively high Rx
optical power) or cannot receive signals properly (excessively low Rx optical power).
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When the receive optical power is close to the critical value, the MA5833 can be
functional for a short period of time. To ensure that the MA5833 is functional for a long
period of time, adjust the receive optical power.
Step 1
Set the wavelength of an optical power meter to 1490 nm and use it to measure the output
power on optical fibers.
Step 2
If the test result exceeds the preceding range, use an optical attenuator on the OLT side to
decrease the input optical power of the MA5833.
Step 3
Measure and verify that the input optical power of the MA5833 is within the supported range.
MA5833-DD60
Hardware Commissioning Guide
2 Checking Upstream Optical Port Optical Power
Issue 01 (2018-12-26)
Copyright © Huawei Technologies Co., Ltd.
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