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Panel
LCD Panel
LCD Control Board
Touch Screen
Touch Controller
External I/O
Serial Port
USB Port
DIO Port
Video Port
Audio Port
LAN Port
Wireless LAN Antenna
Indicator Light
Expansion Slots
Others
Mechanical
Power Type
Power button
21.5" 1920 x 1080, 500nits, 50Khrs
LED Driving board
21.5" PCAP Touch
EETI
1 x DB-9 COM1 (RS-232/422/485, selectable by BIOS & JUPMER,
RS-485 supports Auto Flow, Pin-9 selected for Ring(default)/+5V/+12V
by BOM option)
1 x DB-9 COM2 (RS-232, Pin-9 selected for Ring(default)/+5V/+12V by
BOM option)
4 x USB3.2 Gen2x1 (10Gbp/s) (2 x Double deck)
1 x 16-bit GPIO (by ARC-BYT DB-E)
(Option By IET module only, (DB-B, DB-C)
(Option By IET module only, AUX-080 (for 2xHDMI)
Realtek ALC888S & 897 co-layout (or other option decided by Avalue)
1 x Intel® I225LM 2.5 Gigabit Ethernet
1 x Intel® I219LM Gigabit Ethernet PHY
5 x Antenna hole on Top of back cover (2 x Antenna hole on empty IET
bracket)
HDD LED, Power LED (Green for Power, Yellow for HDD)
2 x M.2 Slots:
1 x M.2 Key-E 2230 (PCIeIII x1, USB2.0 x1, CNVi) for Wi-Fi & BT
Module
(Support PCIe/USB Wi-Fi/BT module & CNVi Wi-Fi/BT module)
1 x M.2 Key-B 2242/3042/3052 with SIM card slot
USB2.0 x1
SATA3/PCIeIII x1 (auto detect by switch IC)
USB3.2 Gen 1x1 (5Gbp/s)/PCIeIII x1
(BOM option, default is USB3.2 Gen 1x1 (5Gbp/s)/ PCIeIII x 2 for
NVMe)
(3052 for 5G module)
1 x 80-pin Expansion IET interface
HDD LED, Power LED (Green for Power, Yellow for HDD)
ATX/AT by jumper (Default ATX)
1 x Power Switch on the side
ARC-21W38 Quick Reference Guide 21
Quick Reference Guide
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