Product Name: CATV 1550nm Optical Amplifier (EDFA) 21dB-60V Transport Package: 4pcs/carton Origin: China HS Code: 85176229 Product Description FeaturesAdopting high-quality Pump Laser diode and Erbium-Doped optical fiberAdvanced automatic power control (APC) and automatic temperatureControl (ATC) circuit to ensure the performanceLow noise figure and high gain; Input & output optical isolatorOutput power: 13-23dBm; 1U 19 standard case with VFD in front panelRS232/RJ45 communication interface optional; High efficiency switchPower supplyRS232/485 interface optional for remote monitoring and control. SpecificationOptical ParametersOptical Wavelength nm 1540-1560 Optical Output Power dBm 13-23Output Stability dB +-0.5 Optical Input Power dBm -4~+7Noise figure dB <4.5 (0dBm input) Polarization sensitivity dB <0.2Optical return losses dB >40Connector FC/APC or SC/APCCTB dB ≥ 80 CSO dB ≥ 75 Electrical/Environmental/MechanicalPower Supply VAC 160~265 Operating Temperature -10~+50Dimensions mm 485*350*45.Nominal optical output(dBm)≥ 13≥ 14≥ 15≥ 16≥ 17≥ 18≥ 19≥ 20≥ 21≥ 22≥ 23≥ 24≥ 25≥ 26≥ 27(mW)≥ 20≥ 25≥ 32≥ 40≥ 50≥ 63≥ 80≥ 100≥ 125≥ 160≥ 200≥ 250≥ 320≥ 400≥ 500OpticalinputRange (dBm)-12 ~ +10@ Nominal output(dBm)23Wavelength (nm)1530 --1560Output Stability (dB)<± 0.2 Noise Figure0dBm Input (dB)≤ 4.5≤ 5.0≤ 5.3+6dBm Input(dB)≤ 5.5≤ 6.0≤ 6.5Polarization sensitivity (dB)<0.2Optical return losses (dB)>40ConnectorFC/APC.SC/APCInterfaceRS232 .RS485Power Consumption (W)<40Operating Voltage (V)220V (110 --240V)Operating temperature0 --65Storage temperature-40-- +85 Dimensions (mm)483 × 385 × 44 (19 "× 15"× 1.75")