Gigaopto single fiber 1x9 (single in-line (pin) package (SIP) form factor) optical transceiver series is designed for use in 155Mbps data environment, providing the SC/FC/ST optical port and covering transmission distance from 20km to 120km over dual strand fiber. Both the transmitter and the receiver are packaged together with a top plastic cover and bottom shield. The transceiver operates with 3.3V/5V Volt DC power supply. It is widely used for 100M/1G Ethernet, Fibre Channel, ATM, SDH/SONET, and video applications.