Attenuators are installed between a connector and an adapter to provide superior optical performance. The device induces a calibrated fixed loss between two connectors, which “attenuates” the optical signal. Attenuation is needed when a signal has too much power and exceeds the operating range of the equipment. Without attenuation, the signal can digress — resulting in system failures and errors.

In-line attenuators are engineered and manufactured with continuous light absorbing, metal-ion doped fiber. Metal-ion fiber optic attenuators offer greater environmental stability and better back reflection and noise performance than other attenuators based on spliced fiber, air gap or offset-fiber designs.

Variable attenuators produce precision levels of signal distribution with the added flexibility of adjustment, which provides easy integration into your existing equipment or system. By using simple controls, the attenuation can be easily modified to any level required by your specific project. Applications include DWDM, aerospace industries, telecom industries, security connections and testing.
- Ideal for adjusting OEM systems in production as well as laboratory applications
- Low back reflection and good temperature stability in any application
- Available in both manual and automatic motor driven packages for a variety of light sources and wavelengths
- SC, LC, ST, FC and MU connector options and custom terminations
- PC, UPC and APC polish options
- Single mode, multimode and PM fiber types
- Coupling ratios from 50:50 to 1:99
Standard and custom configurations are available. Contact your TelWorx representative for details. Attenuators are sold in packs of 10.
Features include:
- Attenuates fiber optic signals
- Environmentally stable over temperature, humidity and vibration
- High performance: low polarization dependent loss PDL
- Simple plug-in style enables rapid deployment
- Telcordia GR-910 compliant
- Wavelength independent: 1310/1550 nm
- Connector options include SC, ST, FC and LC
- Rigorous testing to meet network demands
- Easy installation and packaging
- Shipped from stock