TouchPAD Compact User Manual, version 1.0.4. Last Revised: April 2011 Page: 4Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved. E-mail: service@icpdas.com1. General Specifications1.1. TPD-28x SeriesModels TPD-280 TPD-283ImageCPU ModuleCPU Low-power 32-bit RISC CPUBuzzer YesRotary Switch (0~9) YesCommunication InterfaceEthernet - RJ-45 x 1, 10/100 Base-TXSerial Port RS-485 (including Self-Tuner) -MMI (Main Machine Interface)LCD 2.8” TFT (Resolution 240 x 320 x 16), bright pixels <= 3Backlight Life 20,000 hoursBrightness 160 cd/m2Touch Panel YesReset Button YesElectricalPower Input +10 ~ 30 VDC PoE (Power over Ethernet)Consumption 1.2 W (50 mA @ 24 VDC) IEEE 802.3af, Class 1MechanicalDimensions (WxLxH) 76mm (W) x 119mm (L) x 31mm (H)Installation Wall Mount