RUGGEDCOM *** Product has a 5 year extended warranty *** RS900-48-D-C2-C2-C2-XXRUGGEDCOM RS900 is a 9-port industrially hardened, fully managed Ethernet switch 128-bit Encryption Up to 9 Ports 6 Base 10/100BaseTX ports with option for 3 additional Fiber or Copper ports Industry standard fiber optical connectors LC, SC, ST, MTRJ Multimode and Singlemode optical transceivers Long haul optics allowdistances up to 90km 48 = 48 VDC (36-72 VDC) XX = No power supply 2 D = DIN Rail Mounting xx = none XX = Manufacturing modification none C2-C2 = 2 x 100FX - Singlemode 1310nm, SC connector, Standard 20km C2 = 1 x 100FX - Singlemode 1310nm,SC connector, Standard 20km