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ST Fixed Fiber Optic Attenuators

ST Fixed Fiber Optic Attenuators provide a dependable way to reduce optical signal strength in compatible singlemode fiber networks. Available in UPC polish with 5 dB, 10 dB, 15 dB, and 20 dB attenuation levels, these compact attenuators help balance optical power and protect sensitive network equipment from excessive signal input. They are suitable for telecommunications, data center, testing, and fiber distribution applications.

 

  • Designed for compatible singlemode fiber optic applications
  • Available with UPC polish
  • Offered in 5 dB, 10 dB, 15 dB, and 20 dB attenuation levels
  • Helps reduce excessive optical signal power
  • Supports signal balancing across fiber optic networks
  • Compact fixed-attenuation design
  • Installs directly into compatible fiber connections
  • Suitable for telecommunications, data centers, testing, and fiber distribution systems

 

Where to Buy Available from authorized Networx resellers
Available Models
FA-USTSM-05
Fiber Optic Attenuator, Fixed - ST/UPC 5dB
Networx® 5 dB ST/UPC attenuator adds light loss where legacy ST links need balancing.
$28.39
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FA-USTSM-10
Fiber Optic Attenuator, Fixed - ST/UPC 10dB
Networx® 10 dB ST/UPC attenuator moderates strong signals on established ST fiber runs.
$28.39
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FA-USTSM-15
Fiber Optic Attenuator, Fixed - ST/UPC 15dB
Networx® 15 dB ST/UPC attenuator brings high optical levels into a safer receive range.
$28.39
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FA-USTSM-20
Fiber Optic Attenuator, Fixed - ST/UPC 20dB
Networx® 20 dB ST/UPC attenuator delivers deep signal reduction on ST fiber circuits.
$28.39
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Products specifications
Attribute nameAttribute value
ColorSilver
Connector AST Male
Connector BST Female
Polish TypeUltra Physical Contact (UPC)
Wavelength1550nm
SKUFA-STSM