The ATT-ST-S-13-F-B-10DB is a Bulkhead Female to Female ST 10dB Singlemode Attenuator for 1310nm wavelength.
Bulkhead attenuators utilise a wavelength sensitive neural density filter, specify for 1310nm or 1550nm operation. The buildout attenuators contain doped
fibre suitable for dual wavelength operation. It mounts in place of the standard bulkhead adapter.
A fibre optic attenuator is an optical component that induces a calibrated fixed loss between two connectors, which dampens, or attenuates, the fibre optic signal. Attenuation is achieved through an absorption filter between the end faces of the mating plugs.
Attenuation is required if an optical signal has too much power, exceeding the operating range of the equipment, which causes saturation at the receiver and induces system errors or failures.