Manual ETH-DIO-4816Chapter 7: SpecificationsDigital I/O (TTL Compatible)Channels / Groups: 48 or 24 in 8-bit groupsInputs:Logic High: 2.0 VDC minimum, 5.5 VDC max.Logic Low: -0.5 VDC minimum, 0.8 VDC max.Bias Resistors: 10K ΩOutputs:Logic High: 2.0 VDC minimum, source 32 mALogic Low: 0.55 VDC maximum, sink 64 mASample rate: Up to 2500 round-trip DI/O Read/Write transactions per secondNote: performance is critically affected by network trafficBus Type Ethernet 10/100 Base T, Auto-detecting 1.5kV IsolationEnvironmentalOperating Temp.: 0˚C to 70˚CStorage Temp.: -40˚C to +85˚CHumidity: 5%-90% RH, non-condensingMechanicalBoard Dimension: 3.550 x 3.775 inchesBox Dimension: 4.00 x 4.00 x 1.7 inchesConnectors I/O: Dual row 0.1” 50 pin shrouded headers with grounds on alleven pinsDC power jack: 2.0mm positive center post (for use primarily with AC/DCconverters, or “wall-warts”)DC power screw terminals available via enclosure cutoutPowerBasic 48 bit unit: +5VDC from external regulated power supply, <300mA typical (no load)Auxiliary Outputs: +5VDC via one 0.5A resettable fuse for both connectorsMax power consumption is 2.0A under full load conditions (all I/O’sconfigured as outputs sourcing 32mA each and 500mA draw from +5VDCfused outputs.)