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SFP AOC Active Optical Cable Application Guide

Time: 2024-01-03
1. Introduction to AOC
        What is AOC?
        AOC stands for Active Optical Cable. It integrates an optical cable of a specified length with two optical modules to form a convenient transmission channel, and the cable length can be customized according to customer application requirements.
        The structure of the SFP AOC is shown below:
SFP AOC active fiber optic cable style diagram
Figure 1 SFP AOC Appearance
2. SFP AOC Application Description
        a) As the cable and modules are fully integrated at the factory, SFP AOC effectively avoids optical port contamination caused by on-site operations in complex environments, delivering higher reliability. It also reduces material management costs from diverse fiber consumables, making it widely used for short-distance transmission.
        b) Lightweight and easy to install, SFP AOC is extensively applied to interconnection between rack-mounted devices in equipment rooms, and has become the most common network connection solution in modern data centers.
SFP AOC applied to the rack on the interconnection of equipment
Figure 2 SFP AOC for Rack Equipment Interconnection
3. Precautions for SFP AOC Application
        a) Due to the inherent properties of optical cables, the bending radius must be strictly controlled during cabling. The minimum bending radius should be at least 20 times the cable diameter to prevent cable breakage and transmission anomalies.
        b) If abnormal transmission occurs, check whether the cable is excessively bent or damaged during cabling. The appearance of an over-bent and damaged cable is shown below:
fiber optic cable excessive bending damage traces
Figure 3 Traces of Excessive Bending Damage
        c) Meanwhile, a clearly interrupted optical link can be observed via the DOM (Digital Optical Monitoring) data on the switch or network adapter port. As shown in the figure, the received optical power on the network adapter port is significantly lower than the normal value.
        d) If the switch or network adapter fails to recognize the AOC module, contact the manufacturer to check for potential compatibility issues with software or vendor coding, and conduct further analysis and troubleshooting.
        Moduletek is at your service!
        For further inquiries about the above content, please contact us at: sales@moduletek.com
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