T&S grade B patchcord is the patchcord with the random mating performance of Grade B as IEC-61753-1 defined, more than 97% of maximum 0.25dB random mated with each other and the average is less than 0.12dB. Simplex, duplex grade B patchcord is well fabricated and all grade B connectors (including LC, MU, SC, FC, etc.) are compliant to IEC-61754, end face geometry is superior to IEC-61755. As an experienced patch cord manufacturer, T&S provides high-quality grade B patchcord for years.

Features of Grade B Patch Cord

IEC 61753-1 random mating grade B

Precision zirconia ferrules

LC, MU, SC, FC, ST, all single fiber connector

Usually available on single-mode connector

Excellent geometry and end face appearance

Good repeatability and interchangeability

Flame retardant optical fiber cable

Standard Compliance of Grade B Patch Cord

Connector compliant to IEC 61754

Optical fiber cable compliant to IEC 60793

ITU G.657

Qualified to Telcordia GR-326-Core

Reach, RoHS and SvHC compliant

Specifications of Grade B Patch Cord

Introduction of Grade B Patch Cord

With the advances in fiber optic technology and transmission systems, reliable cabling systems are becoming even more important. Active optical equipment, which is often worth hundreds of thousands of dollars, is all connected to the network via the humble fiber optic patch cord or patch lead. The risk of network downtime due to unreliable cabling is one that should be avoided. Therefore, these types of networks, along with many other Data Center and high-speed Commercial networks require reliable cabling infrastructure in order to maximize performance and to ensure long term reliability.

Optical Fiber Connector Grades of Grade B Patch Cord

IEC standards dictate the connector performance for each grade of fiber-optic patch cord connector based on IEC 61753-1. As defined, there are four grades for insertion loss from A (best) to D (worst). For conventional patch cord, mated performance is over 0.5dB, even to 1.0dB. This may cause the whole high-speed optical connection system unreliable and transmission unstable. Therefore, grade B is stable with excellent optical performance of maximum 0.25dB while mated each other which is a guarantee for hundreds of gigabit data exchange with connections.

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