The RUGGEDCOM RS416 is an industrially hardened serial device server with an integrated, fully managed, Ethernet switch, designed to operate reliably in electrically harsh and climatically demanding environments. 128-bit Encryption; up to 16 serial ports & up to 4 Ethernet ports, Copper or Fiber options; Supports IEEE 1588 v2; Non-blocking, store and forward switching HI = 87-264 VAC or 88-300 VDC XX = no power supply RD = 19" Rack, DIN, and Panel Mount Kit B = Ethernet on rear; LED panel on top; power connector on rear XX = Manufacturing modification:none 3D = 4x RS232/RS422/RS485 via DB9 Coating XX = none 3D = 4x RS232/RS422/RS485 via DB9 XX = none FX06 = 2x 100FX - singlemode 1300nm, LC, 20km TX01 = 2x 10/100Tx RJ45