Introduction
The Polarity Switchable LC Duplex Patch Cord is a high-performance fiber optic cable designed for flexible and easy polarity management in duplex communication systems. Featuring a user-reversible LC duplex connector, it allows quick polarity adjustment without retermination, saving time and reducing errors in high-density fiber deployments.
Core Parameters
| Parameter |
Specification |
| Connector Type |
LC Duplex (switchable polarity) |
| Fiber Type |
Single-mode (OS2) / Multi-mode (OM3, OM4, OM5) |
| Insertion Loss |
≤0.3 dB (SM), ≤0.5 dB (MM) |
| Return Loss |
≥50 dB (SM, APC), ≥35 dB (MM, UPC) |
| Polish Type |
UPC (blue) / APC (green) |
| Cable Length |
0.5m - 30m (customizable) |
| Jacket Material |
PVC, LSZH, or OFNP/OFNR (flame-retardant) |
| Operating Temp. |
-20°C to +70°C |
| Durability |
≥500 mating cycles |
Key Features & Advantages
Polarity Reversal in Seconds - No need to replace the cable; simply flip the duplex connector to swap TX/RX channels.
Low Insertion Loss - Ensures high signal integrity for reliable data transmission.
Universal Compatibility - Works with standard LC duplex ports in switches, transceivers, and patch panels.
Flexible Deployment - Ideal for high-density environments like data centers, where polarity errors are common.
Robust Construction - Available in standard PVC or ruggedized LSZH/armored options.
Typical Applications
Data Centers - Simplifies polarity management in 40G/100G/400G networks (e.g., QSFP+/SFP+).
Telecom & FTTH - Easy maintenance for ODN (Optical Distribution Networks).
Enterprise Networks - Reduces installation time and errors in structured cabling.
Test Labs - Quick polarity adjustments for troubleshooting.
Why Choose KOC?
Nearly 25 years of experience in the optical communication industry
We prioritize customer interests and continuously optimize costs
Integrity is our core philosophy
We have a stable and experienced team of staff
We have global branch network service capabilities
Fast production lead time, as short as 3 days
Reasonable and efficient logistics transportation
ABOUT KOC
Located in Shenzhen, China, KamaxOptic Communication Co. Ltd., well-known as KOC, is specialized in fiber optic communication products and accessories. She offers precise customized solutions for various customers involved in telecommunication, broadcast, CATV and network industry worldwide.
Our quality is guaranteed by the scientific management with the assistances of professional personnel, advanced testing equipments and efficient ERP system under the strict guidance of ISO9001: 2000, from supplier evaluation to inbound material examination, from processing monitoring to permanent inspection, from packing to shipping. We do care for every detail!
To be dedicated to be a popular manufacturer with her quality products, satisfactory services and attention to details through the full commitment of each personnel to work as one team in an effort to exceed our customer expectations.
To operate the business in a transparent and honest manner, that our customers, our associates and our business partners are proud to play their part in our success.
Strictly comply with 7S management