LC to LC Single Mode Duplex Fiber Optic Keystone Coupler

• Customization: Available
• Transmission Medium: Single-Mode
• Structure: LC
• Model NO.: FKC-LCD-SM
• Number of Cores: Duplex
• Ferrule Endface: NO
• Shape: Rectangular
• Fabrication Process: Injection Molding
• Application: Network Equipment
• Connector Type: LC to LC
• Body Style: Duplex
• Polish Type: UPC
• Fiber Mode: Single Mode
• Insertion Loss: ≤0.2dB
• Durability: 1000 times
• Mounting Type: Reduced Flanged
• Alignment Sleeve Material: Ceramic
• Flammability Rate: UL94-V0
• RoHS Compliancy Status: Compliant
• Operating Temperature Range: -25 to 70ºC
• Storage Temperature Range: -25 to 70ºC
• Transport Package: Blister Into Carton
• Trademark: FiberMania
• Origin: Shenzhen, China
• Production Capacity: 8, 000 Pieces Per Day

Product Description

LC to LC Single Mode Duplex Fiber Optic Keystone Coupler
A Fiber Optic Keystone Coupler is a critical passive component in optical fiber networks, designed to connect two fiber optic patch cords or pigtails within a structured cabling system. Engineered for easy integration into wall plates, patch panels, or surface-mount boxes, this coupler serves as a modular interface that enables flexible, reliable, and high-speed optical signal transmission. Ideal for both commercial and residential applications, it ensures minimal signal loss while facilitating quick installation and maintenance, making it an essential component for building scalable fiber networks.

Features

1. Fits standard keystone modules for snap-in installation, enabling easy integration into wall plates/patch panels and simplifying cable management.
2. Precision-aligned ferrules ensure minimal insertion loss , with wide temperature tolerance (-40°C to +85°C).
3. Supports connectors (LC/SC/ST, etc.) and both single-mode/multi-mode fibers, ensuring interoperability with multi-vendor equipment.

Applications

1. Enables high-density fiber patch panel setups for flexible, high-speed (10G+) network configurations.
2. Modular wall plate termination for residential fiber networks, ideal for retrofitting existing homes with minimal rewiring.
3. Weather-resistant design for harsh settings (factories, surveillance systems), ensuring reliable operation in dusty/moist conditions.
4. Supports high-speed backhaul in 5G base stations/telecom centers, delivering low-latency, stable signal transmission for critical networks.
 

Specification

 

Connector type	LC-LC; SC-SC; Hybrid Keystone
Grinding type	UPC; APC
Insertion loss	0.2dB
Installation type	Without flange
Colour	Green; Blue; Beigie; Aqua; Magenta;
Flame Rating	UL94-V0
Joint style	Simplex/Duplex
Optical fiber type	Single-mode/Multi-mode
Service life	1000 times
Operating temperature	-25°C~ +70°C
Storage temperature	-25°C~ +70°C

 

Quality Testing Program

IL and RL Testing

 

Conduct testing on the insertion loss and return loss of cables to verify their reach and ensure stable signal transmission.

3D Interferometer Testing

 

Evaluate the connectors or ferrules of cables to verify that the apex offset, radius of curvature, and fiber height are within the specified parameters, ensuring a successful connection of fiber optic lines.

End-Face Inspection

 

Examine the connector end face for any scratches, defects, or contamination to ensure the tips remain clean. This practice enhances communication quality and reliability, thereby contributing to network uptime.

 

Packaging & Shipping

FAQ

Q1: What is the warranty of FiberMania's fiber patch cord?

A: FiberMania warrants that all fiber patch cords supplied are free from defects in material and workmanship for a period of
five (5) years from the date of supply. All fiber optic bulk cables are UL profiled and every single cable is 100% tested.

Q2: Is it possible to customize our brand information on your fiber cable?
A: Yes, we can print your brand name onto our cable jacket and 1KM total cable length is requested.

Q3: Can you do 3D interferometer test?
A: Yes, we do the 3D test per our customer's request, we can have the pass rate over 90% and even 100% if necessary.

Q4: What is your MOQ of your products?
A: We only have MOQ for some special customized cable order, we request 1km as the total length of the bulk cable, you may
consider stock the bulk cable with us for your urgent order production.

Q5: Are free samples available from you?
A: Yes, we are always happy to offer the free samples for all of our customers' projects provided that the total cost is under
50 US dollars.

Q6: Do you accept OEM and ODM orders?
A: Absolutely yes, we have been doing OEM services since we start in this business, and for every single label, printing, bag and
carton design, we always treat it seriously and do it nicely. Our engineers can help you with your current design and even can open
the new tooling for your specific project.