Figure 3-41 Detecting the transmit optical power of a single-fiber bidirectional optical port
接口板/主控板
UA5000
Optical power meter
T
x
R
x
Optical port
/TxRx
Detected port
NOTE
Select the proper patch codes with different splices because the optical power meter may have different
interfaces.
Step 2 Set the detecting wavelength of the optical power meter based on the working wavelength of
the detected port.
Step 3 Observe the reading on the optical power meter, and then record the value of the optical power
after the reading is stable. This value of the optical power is the actual average transmit optical
power of the port.
Step 4 Repeat the preceding steps for three times, and then check whether the detected value of the
optical power meets the technical requirements.
Step 5 If the detected optical power value does not meet the technical requirement, check whether the
detecting wavelength set by the optical power meter is consistent with the sent wavelength of
the optical module. In addition, check whether the optical port connection is loose.
Step 6 After the detected optical power value meets the technical requirement, resume the fiber
connection of the detected port.
----End
Result
The transmit optical power of the detected port meets the technical requirements.
Technical specifications of the optical fiber port:
1000Base-Lx
UA5000 Universal Access Unit Product
Commissioning Guide-PVM CLI 3 Stand-Alone Commissioning
Issue 04 (2012-06-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
70
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