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- Why Do We Have to Run the LSZH Cable?
Patch Cord Knowledge
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- Matching Gel and Oils Contamination about Fiber Optic Connectors
- The Effect of Improper Use of Fiber Optic Connectors
- Why Fiber Optic Connectors are Fragile?
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Performance Feature
Good Water-proof
Low insertion loss;
low reflection loss;
Stability, good repeatability;
High-precision ceramic ferrule;
Compatible with NTT standard;
Precision Grinding and fully testing;
Compliance with international standards
Patch Cord Knowledge
Recommended
Why Do We Have to Run the LSZH Cable?
LSZH cables are popular outside the United States. Some safety advocates are calling for the use of LSZH cables in the United States, specifically for the plenum space. Review your local building codes to determine if you must use LSZH cable.
Non-LSZH cables will produce corrosive acids if they are exposed to water (such as from a sprinkler system) when burned; such acids may theoretically further endanger equipment. But many opponents of LSZH cable reason that if an area of the building is on fire, the equipment will be damaged by flames before it is damaged by corrosives from a burning cable.
Why, you might ask, would anyone in his or her right mind argue against the installation of LSZH cables everywhere? First, reducing toxic fumes doesn’t necessarily mean the cable is more fireproof. The flame-spread properties are worse than for cables in use today. Numerous studies by Bell Labs showed that cables composed of LSZH will not pass the plenum test, not because of smoke generation but because of flame spread.
Most Low Smoke cables designs will only pass the riser test where the allowable flame spread is greater. Second, consider practicality. LSZH is an expensive solution to a problem that doesn’t seem to really exist in the United States.
As a professional fiber optics products manufacturer and supplier, we provide high quality LSZH fiber optic patch cords and fiber optical cables as well as other popular products. For more info, please feel free to contact a Sopto representative by calling 86-755-36946668, or by sending an email to info@sopto.com.