RUGGEDCOM RS900 is a 9-port, industrially hardened, fully managed Ethernet switch with 128-bit encryption supporting 6 Fast Ethernet RJ45 ports and up to 3 Fast Ethernet Fiber ports available over multiple fiber connector types and distances. 48 = 48 VDC (36-72 VDC) XX = No power supply 2 P = Panel Mounting xx = none C01 = Manufacturing modification: Conformal Coating TX-TX = 2 x 10/100TX, TX = 1x 10/100TX