Description The DEM-423XT Single Mode Fiber XFP Transceiver is designed to be installed in equipment equipped with XFP (10 Gigabit Small Form Factor Pluggable) slots to receive and transmit data over fiber optic cables. This transceiver is made in a compact package and provides high-speed and reliable data transmission using a wavelength of 1550 nm, over long distances up to 40 km, as well as easy installation. The DEM-423XT transceiver supports +3.3V and +5V supply voltages. The DEM-423XT offers users extensive 10 Gigabit Ethernet connectivity for data center and telecom service provider applications.