The VS1550TX series is a family of high performance 1550nm externally modulated analog transmitters. These optical transmitters are packaged in a 1RU 19'' standard chassis and are available in several configurations to meet various network requirements. The VS1550TX series transmitters providea minimum optical output power of 7 dBmfrom 2 ports with adjustable SBS(13~18dBm). The VS1550TX series transmitters feature high carries to noise ratio (CNR), superior flatness, low power consumption and easy to use. With integrated proprietary pre-distortion circuit, the VS1550TX series transmitter could provide excellent CSO and CTB performance.This family of transmitters is part of the full products developed byVALE Systemsto support and enhance the deployment of traditional HFC, passive HFC and fiber to the home (FTTH) networks.