This device is an Optical Amplifier for passive amplification of optical signals in the 1550nm channel band. It also supports all ITU-50 GHz and ITU-25 GHz DWDM Grid Channels. Fiber Optic Measurement Units: "dB" and "dBm" Whenever tests are performed on fiber optic networks, the results are displayed on a power meter, OLTS or OTDR readout in units of “dB. ” Optical loss is measured in “dB” which is a relative measurement, while absolute optical power is measured in “dBm,”. This document focuses on decibels (dB), decibels per milliwatt (dBm), attenuation and measurements, and provides an introduction to optical fibers. There are no specific requirements for this document. Any optical signal within the 1550 band is amplified to the rated output power level. Product Overview: The Amphenol 1027580-20 is a DWDM Advanced Optical Module (AOM) designed for outside-plant (OSP) deployment in fiber optic networks. The module likely supports multiplexing or pass-through of DWDM channels in. FMT20PA-EDFA, 20dB Gain C-band DWDM EDFA Pre-Amplifier for FMT Managed Chassis, 13dBm Output Hot Hot P/N:FMT20PA-EDFA SKU:72284 1. 592,22 € Depending on your delivery address, VAT may vary at Checkout. Models: PA 20dBFMT PA 26dBFMT BA 17dBFMT Extended C-band PA 26dBFMT Extended. Thorlabs' core-pumped erbium-doped fiber amplifiers (EDFAs) provide high small signal gains and output powers in a compact, turnkey benchtop package or a plug-in PXIe module with FC/APC (2. 0 mm narrow key) input and output connectors.