Introduction to Mode-conditioning Patch Cords

 

Fiberdyne Labs manufactures mode-conditioning patch cords, using high-quality, single-mode/multimode fiber and connectors. These cable assemblies are primarily used in Gigabit Ethernet (1000Base-LX) applications. Their use prevents DMD (Differential Mode Delay), and allows a singlemode signal to travel over Multimode fiber. IEEE Std 802.3 specifies the use and format for mode-conditioning patch cords.
Generally a mode-conditioning cable is required at each end of the fiber run so they are usually ordered in pairs or even numbers.

 

Fiberdyne uses state-of-the-art equipment in every manufacturing and inspection phase, ensuring each assembly meets our applicable ISO 9001 standards.

 

Cable Jacket Colors:

• - Yellow on Singlemode Fiber the equipment transmit section
• - Orange on Multimode Fiber sections

 

Connector Types:

• - LC, SC, ST, FC, MT-RJ

 

Specifications:

Description	Units	Value
Fiber Type	µm	Single-mode (9/125) Multimode (50 or 62.5/125)
Insertion Loss (Transmit)	dB	< 0.8
Insertion Loss (Receive)	dB	< 0.5 (0.35 Typical)
Return Loss	dB	> 50 (55 Typical)
Radius of Curvature	mm	7 to 25
Apex Offset	µm	< 50
Fiber Height	nm	< 100
Repeatability	Cycles	> 500
Operating Temperature	°C	-40 to +75
Humidity Range (Non-condensing)	%	5 to 95
Standards Compliance		IEEE Std 802.3

 

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Application Note

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