SC/APC to SC/APC Singlemode Duplex Fiber Optic Adapter/Coupler

Ensure Reliable Fiber Optic Connections with Our SC/APC Singlemode Duplex Adapter

The MEFIBEROPTIC SC/APC to SC/APC Singlemode Duplex Fiber Optic Adapter (also known as a coupler) provides a robust and high-performance solution for joining two SC/APC terminated singlemode duplex fiber optic cables. Designed for precision and durability, this adapter is essential for extending cable runs, connecting devices, or integrating components within fiber optic networks.

Featuring a green housing compliant with SC/APC color-coding standards, this adapter incorporates a high-quality ceramic alignment sleeve. Ceramic sleeves offer superior alignment accuracy for singlemode fibers, minimizing insertion loss (≤0.2dB≤ 0.2 \text{dB}≤0.2dB typical) and maximizing return loss (≥60dB≥ 60 \text{dB}≥60dB), which is critical for applications sensitive to back reflections. The duplex configuration allows for simultaneous connection of two fibers, commonly used for transmit and receive paths.

Key Features & Benefits:

• Low Insertion Loss: Precision ceramic alignment sleeve ensures minimal signal loss (typically ≤0.2dB≤ 0.2 \text{dB}≤0.2dB) for optimal network performance.
• High Return Loss: APC (Angled Physical Contact) polish and quality design provide excellent return loss (typically ≥60dB≥ 60 \text{dB}≥60dB), reducing signal interference.
• Connector Compatibility: Connects SC/APC male connectors to SC/APC male connectors.
• Singlemode Duplex: Designed for singlemode 9/125µm9/125\text{µm}9/125µm fiber and supports duplex (two-fiber) connections.
• Durable Construction: Made with high-quality plastic housing and a zirconia ceramic sleeve for long-lasting performance and many mating cycles.
• Industry Standard: Green color-coding for easy SC/APC identification. Complies with IEC and Telcordia standards.
• Easy to Use: Simple plug-and-play design for quick and secure connections.
• Mounting Options: (Specify if it’s flanged for panel mounting, or non-flanged. If both are options, mention it or create separate product variants). Example: “Includes mounting clips for secure installation in patch panels or adapter plates.” / “Compact, non-flanged design for versatile use.”

Applications:

• Telecommunication Networks (e.g., FTTx, PON)
• Data Centers
• Local Area Networks (LANs)
• CATV and CCTV Systems
• Test and Measurement Equipment
• Patch Panel Connections
• Optical Distribution Frames (ODFs)

Technical Specifications:

• Adapter Type: SC/APC to SC/APC
• Fiber Mode: Singlemode (9/125µm9/125  µm 9/125µm)
• Fiber Count: Duplex
• Connector Polish: APC (Angled Physical Contact)
• Insertion Loss (IL): Typically ≤0.2dB≤ 0.2 \text{dB}≤0.2dB, Max ≤0.3dB≤ 0.3 \text{dB}≤0.3dB
• Return Loss (RL): Typically ≥60dB≥ 60 \text{dB}≥60dB
• Alignment Sleeve Material: Zirconia Ceramic
• Housing Material: High-Quality Polymer (e.g., PBT, UL94 V-0 rated)
• Housing Color: Green
• Operating Temperature: −40°C-40°\text{C}−40°C to +85°C+85°\text{C}+85°C
• Storage Temperature: −40°C-40°\text{C}−40°C to +85°C+85°\text{C}+85°C
• Mating Durability: >500> 500>500 cycles (or specify actual value)
• Compliance: RoHS, IEC 61754-4, Telcordia GR-326-CORE (if applicable)
• Mounting Type: (Specify: e.g., Flanged with screw holes, Flangeless, Snap-in clips)

5. Proposed FAQ Section:

Frequently Asked Questions (FAQ) for SC/APC Singlemode Duplex Adapter:

• Q1: What is the difference between an SC/APC and an SC/UPC adapter?
  • A1: The main difference is the fiber end-face polish. APC (Angled Physical Contact) connectors/adapters have an 888-degree angled polish which significantly reduces back reflection, making them ideal for applications sensitive to return loss like FTTx or analog video. UPC (Ultra Physical Contact) connectors/adapters have a flat polish and offer good performance but higher back reflection. SC/APC components are typically green, while SC/UPC are blue. They are not interchangeable and should not be mated together.
• Q2: Can I use this adapter with multi-mode fiber?
  • A2: No, this adapter is specifically designed for singlemode (SM) fiber. Using it with multi-mode (MM) fiber will result in high signal loss and poor performance. You would need an SC multi-mode adapter for MM applications.
• Q3: What does “Duplex” mean for this adapter?
  • A3: Duplex means the adapter is designed to connect two fibers simultaneously, typically one for transmitting data and one for receiving data. A duplex SC connector has two SC ferrules in a paired housing.
• Q4: What is the typical insertion loss for this adapter?
  • A4: The typical insertion loss for our SC/APC singlemode duplex adapter is ≤0.2dB≤ 0.2 \text{dB}≤0.2dB, ensuring minimal signal degradation.
• Q5: Is a ceramic sleeve better than a phosphor bronze sleeve for singlemode adapters?
  • A5: Yes, for singlemode applications, zirconia ceramic sleeves provide superior alignment precision and lower insertion loss compared to phosphor bronze sleeves, which are more commonly used for multi-mode adapters.
• Q6: Does this adapter come with dust caps?
  • A6: Yes, our fiber optic adapters are typically supplied with protective dust caps to keep the alignment sleeve clean when not in use.

6. Proposed Installation/Usage Guide:

Quick Usage Guide:

1. Clean Connectors: Ensure the SC/APC connectors on your fiber optic patch cords are clean using appropriate fiber optic cleaning tools.
2. Remove Dust Caps: Remove the protective dust caps from both ends of the adapter and from the SC/APC connectors to be mated.
3. Align & Insert: Align the keyway of the SC/APC connector with the corresponding slot on the adapter and gently push the connector into the adapter until it clicks into place. Repeat for the second connector on the other side of the adapter.
4. Verify Connection: Ensure both connectors are securely seated. For critical applications, test the connection using an optical power meter or OTDR.
5. Mount (If Applicable): If using a flanged adapter, secure it to a patch panel or enclosure using appropriate screws or clips.

Fiber Optic Adapter or Coupler Types

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