Tips for Using MPO Assemblies
MPO (Multi-Fiber Push On) fiber patch cables are essential assemblies in high-density fiber optic networks, such as data centers, telecom room, and enterprise environments. To ensure optimal performance, it’s important to follow certain best practices when deploying MPO cables. This article will walk you through the dos and don’ts of using MPO assemblies.
1. Cap when not in use: always use dust caps on unused connectors to prevent dust, fingerprint, oil, or other contamination.
2. Avoid touching the end faces: the MPO connector contains multiple fibers, and even slight contamination can cause high insertion loss or connection failure.
3. Using proper cleaning tools: such as MPO cleaning pens, cassette cleaners, or lint-free wipes instead of regular tissues or cotton swabs.
4.Test the insertion loss and return loss: regular testing ensures signal performance.
|
Fiber Type |
SM |
MM |
||||
|
Polish Type |
APC |
PC |
APC |
PC |
APC |
PC |
|
Insertion Loss(dB) |
Stand Loss |
Low Loss |
Stand Loss |
Low Loss |
||
|
≤0.7 |
≤0.7 |
≤0.35 |
≤0.35 |
≤0.5 |
≤0.35 |
|
|
Return Loss(dB) |
≥60 |
≥50 |
≥60 |
≥50 |
≥20 |
≥20 |
5. Verify polarity type: Make sure the MPO assembly you’re using lines up with your network design or existing cabling, so that optical signals are transmitted and received correctly.
6. Check connector gender: MPO connectors come in male(with pins) and female(without pins). A female connector must be mated with a male connector, and vice versa.
7. Use the correct adapter type: MPO adapters come in AK (Aligned Key) for key-up to key-up, and OK (Opposed Key) for key-up to key-down configurations. Before mating, make sure that the polarity and keying of the MPO assembly match the adapter type.
8. Label each end: use different colored or numbered rings to identify different fiber links.
9. Avoid excessive bending: follow the specification, 10x the cable diameter is a typical standard for operation(static).
10. Prevent kinks and crushing: avoid twisting, keep cables away from sharp objects, and never place heavy items on them.
Conclusion
Following these guidelines ensures reliable performance, minimizes network downtime, and extends the service life of MPO patch cables.
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