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OFT-21W04
21.5" Open Frame Tablet
Quick Reference Guide
Ed – 30 June 2022
nd
2
Copyright Notice
Copyright  2022 Avalue Technology Inc., ALL RIGHTS RESERVED.
Part No. E2017T214A1R

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Summary of Contents for Avalue Technology OFT-21W04

  • Page 1 OFT-21W04 21.5" Open Frame Tablet Quick Reference Guide Ed – 30 June 2022 Copyright Notice Copyright  2022 Avalue Technology Inc., ALL RIGHTS RESERVED. Part No. E2017T214A1R...
  • Page 2 (2) Use only shielded cables to connect I/O devices to this equipment. (3) Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 2 OFT-21W04 Quick Reference Guide...
  • Page 3 RF exposure compliance, in order to comply with RF exposure limits established in the ANSI C95.1 standards, the distance between the antennas and the user should not be less than 20 cm. OFT-21W04 Quick Reference Guide...
  • Page 4 “CAUTION - Use a power cord that matches the voltage of the power outlet, which has been approved and complies with the safety standard of your particular country.” “WARNING – To avoid risk of electric shock, this equipment must only be connected to a supply mains with protective earth.” 4 OFT-21W04 Quick Reference Guide...
  • Page 5: Table Of Contents

    2.4.6 Sensor Board connector (JSENSE) .................... 19 2.4.7 RS-232 connector (JRS232) ....................... 20 2.4.8 RS-232 & RS-485 connector (JRS485) ..................20 2.4.9 USB Camera & DMIC connector (JCAM1) ................. 21 2.4.10 RTC battery connector (JRTC) ....................21 OFT-21W04 Quick Reference Guide...
  • Page 6: Getting Started

    Place all electronic components in a static-dissipative surface or static-shielded bag when they are not in the chassis. 1.2 Packing List 1 x OFT-21W04  1 x power cord, AC/DC adapter 12V/5A 90 Screw Type (Option)  6 OFT-21W04 Quick Reference Guide...
  • Page 7: System Specifications

    JUSB1: USB Type A Host (3.0)_90D USB Port JUSB2: USB Type A Host (3.0)_90D Lan Port JLAN1: 10/100/1000 Lan port_90D Audio Port JHP1: Headphone Jack_90D Power button Power button_90D Internal I/O Micro USB (Client) JUUSB1: Micro USB_90D OFT-21W04 Quick Reference Guide...
  • Page 8 12V~24V wide voltage DC input Power Connector DC jack Type Dimension 515x322x61.6 mm Weight 3.8 kg Color Metallic Fanless OS Support 2019 Win 10 Reliability EMI Test FCC class A Safety 2014/35/EU EN 62368-1: 2014+A11: 2017 (Second Edition) 8 OFT-21W04 Quick Reference Guide...
  • Page 9 1 One corner , three edges, six faces Package drop test 2 ISTA 2A, IEC-60068-2-32 Test:Ed Operating 0°C ~ 40°C Temperature Operating 40°C @ 95% Relative Humidity, Non-condensing Humidity Storage -20°C ~ 60°C Temperature Note: Specifications are subject to change without notice. OFT-21W04 Quick Reference Guide...
  • Page 10: System Overview

    OFT-21W04 1.4 System Overview 1.4.1 Bottom View Connectors Label Function Note Audio line-out connector HDMI HDMI connector 2 x USB 3.0 connector RJ-45 Ethernet Reset Reset button DC power-in connector DCIN 10 OFT-21W04 Quick Reference Guide...
  • Page 11: System Dimensions

    Quick Reference Guide 1.5 System Dimensions 1.5.1 Front and Rear side (Unit: mm) OFT-21W04 Quick Reference Guide 11...
  • Page 12: Installing Extend Brackets

    Installing Extend Brackets Step1. Locate brackets on both sides, matching the holes on the monitor. Step2. Insert and fasten 24 screws on each side of the monitor to secure Mounting brackets. Note: Brackets sold separately. 12 OFT-21W04 Quick Reference Guide...
  • Page 13: Front And Rear Side (With Extend Bracket)

    Quick Reference Guide 1.5.3 Front and Rear side (With Extend Bracket) (Unit: mm) OFT-21W04 Quick Reference Guide 13...
  • Page 14: Hardware Configuration

    OFT-21W04 2. Hardware Configuration For advanced information, please refer to: 1- Motherboard included in this manual. Note: If you need more information, please visit our website: http://www.avalue.com.tw 14 OFT-21W04 Quick Reference Guide...
  • Page 15: Motherboard Overviews

    Quick Reference Guide 2.2 Motherboard Overviews OFT-21W04 Quick Reference Guide 15...
  • Page 16: Motherboard Connector List

    5 x 1 wafer, pitch 2.00 mm JCAM1 USB Camera & DMIC connector 2 x 5 wafer, pitch 2.00 mm JRTC RTC battery connector 2 x 1 wafer, pitch 1.25 mm J19CD 21" Panel connector JSIM1 Micro SIM Card socket 16 OFT-21W04 Quick Reference Guide...
  • Page 17: Motherboard Connectors Settings

    2.4 Motherboard Connectors settings 2.4.1 DC Power-in connector (JDCIN2) Signal PIN PIN Signal +12V_24ADPIN +12V_24ADPIN 2.4.2 Touch Key Button (JTB1) Signal PIN PIN Signal +PWR_JTB1 RSTBTN BU1_TV_3V VOL_UP_3V VOL_DOWN_3V PWRBTN_3V BU_BR+_3V BU_BR-_3V BU7_3V LED_GREEN_R 11 LED_ORANGE_R OFT-21W04 Quick Reference Guide 17...
  • Page 18: Speaker Connector (Jspk1)

    OFT-21W04 2.4.3 Speaker connector (JSPK1) Signal SPK_L+ SPK_L- SPK_R+ SPK_R- 2.4.4 A-MIC connector (JAMIC1) Signal MIC_JD# AMIC_IN 18 OFT-21W04 Quick Reference Guide...
  • Page 19: General Purpose I/O Connector (Jdio1)

    PIN PIN Signal DIO_GP20 DIO_GP10 DIO_GP21 DIO_GP11 DIO_GP22 DIO_GP12 DIO_GP23 DIO_GP13 DIO_GP24 DIO_GP14 DIO_GP25 DIO_GP15 DIO_GP26 DIO_GP16 DIO_GP27 DIO_GP17 I2C_2_LV_SCL I2C_2_LV_SDA 2.4.6 Sensor Board connector (JSENSE) Signal PIN PIN Signal SENSE0_IRQ_R SENSE2_IRQ_R I2C_1_SDA_3.3V I2C_6_SDA_3.3V I2C_1_SCL_3.3V I2C_6_SCL_3.3V OFT-21W04 Quick Reference Guide 19...
  • Page 20: Rs-232 Connector (Jrs232)

    OFT-21W04 2.4.7 RS-232 connector (JRS232) Signal DEBUG_CTS#_3 DEBUG_RTS#_3 DEBUG_RXD_3 DEBUG_TXD_3 2.4.8 RS-232 & RS-485 connector (JRS485) Signal PIN PIN Signal +PWR_RS485 DEBUG_TXD_2 DEBUG_RXD_2 485_422TX1- DEBUG_RTS#_2 485_422TX1+ DEBUG_CTS#_2 20 OFT-21W04 Quick Reference Guide...
  • Page 21: Usb Camera & Dmic Connector (Jcam1)

    Quick Reference Guide 2.4.9 USB Camera & DMIC connector (JCAM1) Signal PIN PIN Signal +CAM_VCC +DMIC_VCC USB20_N5_R CAM_DMIC_CLK_R USB20_P5_R CAM_DMIC_DAT_R 2.4.10 RTC battery connector (JRTC) Signal +RTCBATT OFT-21W04 Quick Reference Guide 21...

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