CSS1-SM Contractor Series Dual Laser Source


  • Palm-sized, rugged, lightweight
  • Dual wavelengths from a single port
  • 270, 330, 1000, 2000 Hz Test Tones
  • Cost-effective, easy-to-use
  • N.I.S.T. traceable


  • Certify SM links per TIA/EIA standards
  • LAN/WAN Testing
  • Fiber identification prior to splicing (with OFI-200D)

Contractor Series: Palm-sized Dual Laser Source

NOYES CSS1-SM is a palm-sized dual LASER source weighing only 0.4 lb. 

Cost-effective dual Laser source designed for performing insertion loss measurements on single-mode fiber optic links when used with an optical power meter. The LASER output is stabilized to ensure accurate test results per current TIA/EIA requirements. 

Equipped with industry standard 2 khz test tone, the CSS1-SM is an ideal tool to pair with an optical fiber identifier (OFI-200D) for use in fiber identification.
Single-mode output port; emits 1310 or 1550 nm LASER output at CW or user selectable Test Tones.
Flexible Output Connector Adapter Design – The CSS1-SM output ports are equipped with UCI based removable adapters to allow the output connectors to be inspected and cleaned, while allowing field change of output style between FC, SC, ST, & LC connector adapters.
The CSS1-SM is fully N.I.S.T. traceable.

Key Specifications

  • CSS1-SM Optical Port Wavelengths: 1310 and 1550 nm
  • Output Power: 0 dBm, 9 µm multimode
  • Output connector: FC, SC, ST, LC switchable (One style supplied with unit, order others separately) 
  • Test Tones: 2 kHz, 1 kHz, 330 Hz, 270 Hz
  • Battery: 2 x AA Alkaline

Model Number: CSS1-SM 

CSS1-SM Test Port Adapters

FC adapter
SC adapter
ST adapter
LC adapter


Prepaid Calibration Plans




2 Year  Cal Plan for CSS1-SM


2 Year  Cal Plus Plan for CSS1-SM

 For details see the Prepaid Calibrations and Calibration Plus plans product page