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SmartAX MA5612 Multi-service Access Module
Maintenance Guide
Parts
Optical
fiber
3.4 Troubleshooting Procedure
Maintenance engineers must be clear about the troubleshooting procedure of carriers, especially
their procedure for handling emergencies. This topic describes a general troubleshooting
procedure. In practice, however, customize and apply the troubleshooting procedure based on
carriers' requirements.
Figure 3-1
Issue 01 (2012-07-25)
Precautions
l Select the optical fiber according to
the type (single-mode or multi-
mode) of the optical transceiver,
the type of the optical fiber
connector, and the required optical
fiber length.
l Exercise caution when inserting or
removing an optical fiber. Do not
damage the optical fiber connector.
l The curvature radius of the optical
fiber must be 20 times greater than
the diameter of the optical fiber.
Generally, the curvature radius is
greater than or equal to 40 mm.
l Clean the end face of an optical
fiber if its end face is not clean. For
operation details, see
Connector of the Optical
shows the troubleshooting procedure.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Suggestions
You can use a fiber extractor to remove
an optical fiber.
Cleaning the
Fiber.
3 Engineers' Must-Read
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Troubleshooting
