ST-ST Single Mode Simplex Metal Fiber Optic Adapter With Yellow Cap

The ST-ST single-mode simplex metal fiber optic adapter with yellow cap delivers durable, low-loss connectivity for telecom and enterprise fiber networks.

SKU STSTSSM Category
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The ST-ST Single Mode Simplex Metal Fiber Optic Adapter with Yellow Cap is a precision alignment component designed for stable and low-loss single-mode fiber connections. It enables accurate mating between ST connectors while maintaining excellent optical performance for telecom, FTTH, and enterprise backbone networks.

Featuring a robust metal housing, this adapter provides superior mechanical strength and long-term durability compared to plastic alternatives. The integrated ceramic alignment sleeve ensures precise fiber core alignment, reducing insertion loss and improving signal stability. The yellow protective cap helps prevent dust contamination and physical damage when the adapter is not in use, ensuring consistent performance in high-density fiber environments. OEM/ODM customization is available for housing material, color, and connector configurations.
Adapter StyleST-ST
Fiber ModeSingle Mode
Adapter TypeSimplex
Housing MaterialMetal
Alignment SleeveCeramic
Protective CapYellow Dust Cap
Insertion Loss≤ 0.2 dB
Durability≥ 1000 mating cycles
Operating Temp-40°C to +85°C
ApplicationTelecom / FTTH / ODF
Installation TypePanel Mount
OEM/ODMSupported
  • ST-ST single-mode simplex fiber optic adapter
  • Durable metal housing for enhanced mechanical strength
  • Precision ceramic alignment sleeve for low-loss performance
  • Yellow protective dust cap for connector protection
  • Stable and reliable single-mode transmission
  • High mating durability for long service life
  • Compact design for standard panel integration
  • Excellent alignment accuracy and signal stability
  • Suitable for high-density fiber systems
  • OEM/ODM customization available
  • Telecom fiber optic networks
  • FTTH / FTTx systems
  • Optical distribution frames (ODF)
  • Enterprise backbone networks
  • Data communication systems
  • Fiber optic patch panel installations

We offer full OEM/ODM services, including customization of housing material (metal or plastic), connector types (ST, SC, LC, FC), dust cap color, labeling, and packaging. Solutions can be tailored for both single-mode and multimode fiber network requirements.

Q1: Why is the cap color yellow?
A: Yellow is the standard industry color code for single-mode fiber optic components.

Q2: What is the benefit of a metal housing?
A: Metal housing provides higher durability and better resistance to mechanical stress and environmental impact.

Q3: What is the role of the ceramic sleeve?
A: The ceramic sleeve ensures precise alignment of fiber connectors for low insertion loss.

Q4: Is this adapter suitable for multimode fiber?
A: This version is designed specifically for single-mode applications.

Q5: What does simplex mean?
A: Simplex indicates a single fiber connection point within the adapter.