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Home Fiber Optic Cables Accessories Fiber Attenuators Hot FC to FC Inline Fiber Optic Attenuator Patch Cord 10dB | Singlemode Fixed Attenuation Cable for Telecom & Network Testing

FC to FC Inline Fiber Optic Attenuator Patch Cord 10dB | Singlemode Fixed Attenuation Cable for Telecom & Network Testing

FC to FC Inline Fiber Optic Attenuator Patch Cord 10dB | Singlemode Fixed Attenuation Cable for Telecom & Network Testing

Brand:

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Specifications

Description

An FC-FC inline fixed attenuator patch cord—also known as a bulkhead or in-line attenuator—is a short fiber optic cable with FC (Ferrule Connector) ends on both sides that reduces optical signal power by 10?dB. It’s ideal for singlemode systems, especially when using long-range optics over short patch lengths.

Features

Based on standard products like those from L-COM or Fibertronics
Connector Type: FC/PC or FC/UPC (female to female in bulkhead models)
Fixed Attenuation: Precisely 10?dB — typically achieved using ion-doped fiber filters
Ferrule Material: Ceramic for precise alignment and reliable physical contact connection
Polish Type: PC or UPC (not APC), which affects return loss characteristics

Specifications

Product Type: Inline Fixed Optical Attenuator (Patch Cord Style)
Connector Type: FC/PC or FC/UPC (also available in FC/APC variants)
Attenuation Level: Fixed 10?dB ±0.5?dB (typical)
Wavelength Range: 1260?nm to 1620?nm (Optimized for 1310?nm & 1550?nm)
Return Loss: =50?dB for PC/UPC, =60?dB for APC
Insertion Loss: =0.6?dB (excluding the 10?dB attenuation itself)
Fiber Type: Singlemode (SM)
Operating Temperature: –40?°C to +75?°C
Storage Temperature: –40?°C to +85?°C
Durability (Mating): =1,000 cycles
Ferrule Material: Zirconia Ceramic
Housing Material: Metal or High-Grade Plastic (depends on model/vendor)
Length (Patch Cord Style): Varies – typically 0.5?m to 1?m (can be customized)
RoHS Compliance: Yes
Polish Type: PC/UPC (flat) or APC (angled, typically 8°) depending on model
Optical Power Handling: =200?mW (standard)

Ideal Use Cases

Protecting RX optics: Long-range transceivers (40?km, 60?km, etc.) often emit high TX power. Over short cables, this can overload or damage the receiver. A 10?dB inline attenuator reduces the risk of saturation or damage.
Network lab environments: Safely testing long-haul SFP/QSFP optics over short patch cords without risking over-powering.
Fiber link balancing: Ensures optical power levels across multiple links remain within a narrow range for consistent performance.

Why Choose This Product

Fixed precise attenuation: 10?dB ensures consistent optical power reduction without manual adjustment.
FC interface: Compatible with FC-terminated patch panels, instruments, or devices.
Dual-wavelength support: Good for both 1310?nm and 1550?nm fiber systems.
Reliable build: Ion-doped fiber technology with ceramic ferrules for low insertion loss and repeatability.

Features

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Conditions:

New

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