CHAPTER 1: BEFORE YOU START PRODUCT SPECIFICATIONSD.20 RIO - HARDWARE USER’S MANUAL GE Information 17Product specificationsThe D.20 RIO adheres to the following system, communications, electrical, physical andenvironmental specifications. Additional Standards and Protection are listed in Appendix A,Standards & Protection.SystemCommunicationsElectricalPower SuppliesPhysicalProcessor 333 MHz embedded PowerPCMemory 256 MB of 133 MHz DDR2 RAM8 MB NVRAM for persistent event storageStorage No hard drive256 MB NAND flash soldered on boardOperating system LinuxLED indicators System status: Power, ReadyEthernet port status: Link and connect speed per portD.20 port status: Transmit and Receive status per portNetwork connections Dual redundant Ethernet interfaceTwisted Pair10/100BaseT (Isolated RJ-45 connector)Serial communications 2 channels: D.20 LinkData rate: 250 KbpsGalvanic isolation: 620 VACSurge protected to ±2000 V peakD.20 RIO rated input 22 to 55 VDC (±10%) 10 W + 165 W limited by a 3.5 A fuse (2.8 A at 70 °Cfor auxiliary outputMinimum/Maximum DC voltage: 20 VDC / 60 VDCRated power supplies 580-3483 Input 85 to 264 VAC 90 to 350 VDCOutput 24 VDC (18 to 29.5 VDC) @ 2.6 A at 70 °C580-3484 Input 85 to 264 VAC 90 to 350 VDCOutput 48 VDC (30 to 56 VDC) @ 3.75 A at 70 °CPeak inrush current at70°C on cold start580-3483 24 VDC at 2.6 A <15 A580-3484 48 VDC at 3.75 A <20 ARated frequency (AC-DC) 50/60 Hz nominal (45 to 65 Hz)Overall height 1U [44.0 mm] 19” rack mount54.5 mm DIN rail mountWidth 482.59 mm 19” rack mount231 mm DIN rail mountDepth 158 mm for chassis and rear connectorsRecommended CableClearance2.0” [50.8 mm]Unit gross weight 1.280 kg including 19” rack mount brackets1.145 kg including DIN rain mount bracketPacking carton Size: 18.1” w x 8.5” d x 7.1” h [460 mm x 216 mm x 180 mm]Gross Weight: 20.0 lb [9.1 kg]Battery shippingrestrictionsThe D.20 RIO does not contain a battery and is therefore not affected byUS DOT or ICAO shipping restrictions.