CWDM & DWDM Network 16-port 1550nm CATV EDFA Fiber optical Amplifier 32-port 1550nm CATV EDFA Fiber optical Amplifier 8-port 1550nm CATV EDFA Fiber optical Amplifier 1 Channel Dual Fiber CWDM OADM ABS Box 2 Ports 10G OEO Converter Transponder 2 Port SFP to SFP WDM Transponder DWDM EDFA 40 Channels Optical Pre-Amplifier DWDM EDFA 40 channels Optical In-Line Amplifier DWDM EDFA 40 channels Booster Optical Amplifier Dispersion Compensation Module (DCM)