• SC/APC to SC/APC single mode simplex fiber optic keystone coupler black housing

SC/APC to SC/APC Single Mode Simplex Fiber Optic Keystone Coupler Black

The SC/APC to SC/APC Single Mode Simplex Keystone Coupler provides ultra-low reflection fiber connectivity for FTTH and telecom networks. With a black housing and snap-in design, it ensures reliable performance in structured cabling systems.

SKU FKC-SCA-SM-BK Category
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The SC/APC to SC/APC Single Mode Simplex Fiber Optic Keystone Coupler is designed for high-precision, low-reflection fiber connectivity in structured cabling systems. It provides a reliable SC interface pass-through connection for keystone wall plates and patch panels, enabling clean and organized fiber termination in FTTH, telecom, and enterprise network environments.

Optimized for single-mode fiber applications, this coupler features APC (Angled Physical Contact) polishing, which significantly reduces back reflection and improves signal stability in long-distance optical transmission. The simplex design supports single-fiber links commonly used in access and backbone networks. Its durable black housing ensures a professional and discreet installation appearance in modern infrastructure deployments.
Connector TypeSC/APC to SC/APC
Fiber ModeSingle Mode
Polish TypeAPC (Angled Physical Contact)
Design TypeSimplex
Housing MaterialDurable plastic
ColorBlack
Mounting TypeKeystone snap-in
Insertion Loss≤ 0.2 dB (typical)
Return Loss≥ 60 dB
Alignment SleeveHigh-precision ceramic
CompatibilitySC/APC connectors
InstallationTool-less snap-in
ApplicationWall plate / Patch panel
  • SC/APC to SC/APC interface compatibility
  • Designed for single-mode fiber systems
  • APC polishing for ultra-low back reflection performance
  • Simplex configuration for single-fiber transmission
  • Keystone snap-in design for fast installation
  • High-precision ceramic alignment sleeve
  • Low insertion loss and excellent return loss performance
  • Durable black housing for professional installations
  • FTTH (Fiber to the Home) networks
  • Telecom and carrier-grade infrastructure
  • Data center fiber distribution systems
  • Enterprise structured cabling systems
  • Fiber optic wall outlet installations

We provide full OEM and ODM services to support branding and project requirements. Custom options include housing color, logo printing, packaging design, and connector configurations. Bulk customization is available for distributors, system integrators, and large-scale deployments.

  • What is the advantage of SC/APC over SC/UPC?
    SC/APC connectors are angled to reduce back reflection, making them ideal for high-performance and long-distance single-mode applications.
  • Can SC/APC be connected to SC/UPC?
    They are not recommended to be directly connected due to different polishing angles, which may result in high insertion loss and poor performance.
  • What is a keystone fiber coupler used for?
    It allows fiber connections to be integrated into wall plates or patch panels for structured and modular cabling systems.
  • Is this suitable for FTTH networks?
    Yes, SC/APC connectors are widely used in FTTH and broadband access networks due to their low reflection characteristics.
  • Is installation tool-free?
    Yes, the keystone snap-in design allows quick and easy installation without specialized tools.

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