APPC 1231T

12.1" TFT 4:3 Flush Panel PC with Intel® Atom™ D2550, 1.86GHz, Touch Screen, 2GB DDR3, 4xUSB, 4xCOM and VGA

Main Features
  • 4:3 12.1" Fanless LED Panel Computer
  • Intel® Atom™ D2550, Dual Core, Low Consumption CPU
  • Flush Panel by 5-wire Touch Screen
  • Dual GbE/ 2nd display-VGA/ Line-in/ Line-out/ MIC-in/ PS2 KB/MS
  • USB x 4/ 2 x mini-PCIe sockets/ 1 x CFast/ 2 x RS232/ 422/ 485
  • Optional 3.5G / Wi-Fi Module / 2.5" HDD / 2 x COMs / GPIO / DIO
  • DDR3 2GB / 2.5" HDD Bracket
  • IP65 Compliant Front Panel
  • Mounting Support: Panel/ Wall/ Stand/ VESA 100mm x 100mm
  • Wide Range Power Input 12V~ 30V DC


The 12.1” fanless panel PC APPC 1231T incorporating an industrial motherboard is intended for versatile industrial applications. APPC 1231T has a touch screen LED backlight LCD panel with 800x600 (SVGA) resolution and 450-nit brightness. The front panel which adopts flush design and complies with IP65 standard makes it the perfect fit in industrial applications.

APPC 1231T supports WWAN/WLAN expansion and others via dual Gigabit Ethernet connectors, two Mini-PCIe slots and one SIM card holder. With support for wide power input of 12V~30V, this  APPC 1231T can gain a strong foothold in industrial field and machine devices. In addition, this APPC series can hook 2nd display via a VGA port for dual independent display. It also has two isolated RS232/422/485 ports, two RS232 ports supporting 5V and 12V power feed, four isolated channels of DI and DO, and two channels of GPI and GPO.


  • LCD size: 12.1”, 4:3
  • Resolution: SVGA 800x600
  • Luminance: 450cd/m2
  • Contrast ratio: 700
  • LCDcolor: 16.2M
  • Viewing angle: 65(U), 750(D), 80(L), 80(R)
  • Backlight: LED

Touch Screen
  • 5-wire resistive (flush panel type)
  • Light transmission: 80%
  • Interface: USB

  • CPU:  On-board Intel® Atom™ Dual Core processor D2550, 1.86GHz, 1M L2 Cache
  • System memory: 2x 204-pin DDR3 SO-DIMM socket, 2GB DDR3 (Default),Support up to 4GB DDR3-800/1066, Non-ECC and Unbuffered
  • CPU:  On-board Intel® Atom™ Dual Core processor D2550, 1.86GHz, 1M L2 Cache
  • Storage device:
    • 1x external locked CFast socket
    • 1x hard drive bay: optional 1x 2.5" SATA HDD or 1x SATA DOM
  • Watchdog timer: Watchdog timeout can be programmable by software from 1 second to 255 seconds and from 1 minute to 255 minutes (Tolerance 15% under room temperature 25°C)
  • H/W status monitor: Monitoring system temperature, and voltage
  • Expansion: 2x Mini-PCIe sockets (support optional WiFi or 3.5G module)
  • Panel backlight control button: Increase brightness / decrease brightness / Backlight On/Off 

Rear I/O
  • Ethernet: 2 x RJ45
  • 2nd display VGA port: 1 x DB15
  • Audio port: 1 x Line out; 1 x Line in; 1 x MIC-in
  • USB: 4 x USB 2.0
  • PS2 keyboard/ mouse
  • Power switch / Reset button
  • COM #1: RS232/422/485 w/RI or 5V selection
  • COM #2: RS232/422/485 w/RI or 12V selection
  • DIO w/ 2.5kv isolated:
    4x Digital Input (Source type)
    - Input Voltage (Dry Contact): Logic 0: Close to GND
    - Logic 1: Open
    - Input Voltage: Logic 0: 3V max
    - Logic 1: +5V ~ +30V
    4x Digital Output (Sink type)
    - Output Voltage: 3.6V ~ 5V
    - Sink current: 200 mA max. per channel
  • GPIO: 2 x digital in / 2 x digital out
  • COM #1: RS232/422/485 w/ 2.5kv isolated
  • COM #2: RS232/422/485 w/ 2.5kv isolated
  • COM #3: RS232 w/ RI or 5V selection
  • COM #4: RS232 w/ RI or 12V selection

  • AC97 codec: Realtek ALC886-GR
  • Audio interface: Line out/Line in/MIC-in Audio Jack

  • LAN chip: dual Intel® 82574L Gigabit LAN
  • Ethernet interface: 10/100/1000 Based-Tx Ethernet compatible

Mechanical & Environment
  • Color: pantone black\RAL 15 00 front bezel w/ Pantone 400C\RAL 090 80 10 metal style membrane
  • IP protection: IP65 front
  • Mounting: panel/ wall/ stand/ VESA 100mm x 100mm
  • Power:
    • Power input: 12V~ 30V DC
    • Power adapter: optional AC to DC power adapter (+12V, 60W)
  • Vibration:
    • IEC 68 2-64 (w/ HDD)
    • 1Grms @ sine, 5~500Hz, 1hr/axis (HDD operating)
    • 2Grms @ sine, 5~500Hz, 1hr/axis (CFast  operating)
    • 2.2Grms @ random condition, 5~500Hz, 0.5hr/axis (Non-operating)
  • Shock:
    • IEC 68 2-27
    • HDD: 20G @ wall mount, half sine, 11ms
  • Temperature:
    • Operating temperature: -5°C to 60°C
    • Storage temperature: -20°C to 75°C
  • Operating humidity: 10%~90% relative humidity, non-condensing (limits to be at 90% RH at max 50°C)
  • Dimension: 311 x 243 x 65.89mm
  • Weight: 3.9kg

  • CE approval
  • FCC Class A

Ordering Information

APPC 1231T  (P/N:10IA1231T00X0)

12.1" SVGA LED Backlight Touch Panel PC, Intel® Atom™ D2550 1.86 GHz, touch screen, 2GB DDR3, 2xRS232/422/485 and 2x2 DI/O with isolated protection, 2xRS232, 4x4 GPI/O, Brightness adjustment buttons

12V, 60W AC/ DC power adapter w/o power cord (P/N: 7400060017X00)


Upload Date File Name Version OS Type Description Download
2022/05/02 APPC 1231T User Manual 1.0 All OS PDF APPC 1231T User Manual 12.5 MB
Upload Date File Name Version OS Type Description Download