| Description |
| Introducing the ACM-SM21E, a SMARC 2.1 SOM board packed with a multitude of useful features. With 2 USB 3.0 Type A ports, 2 RS485 ports, 2 DI ports and 1 HDMI 2.0 port, this board is capable of meeting your diverse needs. Additionally, the ACM-SM21E boasts a wide voltage input of 9-36V DC, making it adaptable to different power environments. You can also choose to expand with cellular or WLAN for higher connectivity requirements. Furthermore, the ACM-SM21E supports 4 PoE ports compliant with the IEEE 802.3af-2003 standard, delivering a maximum power of 15.4 watts per port, and features 1 Gigabyte Ethernet port. The ACM-SM21E is a feature-rich, high-performance SOM board suitable for various applications. |
| I/O Connectors |
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| Acrosser Academy |
| Features |
| ● Support SMARC 2.1 ● 2 x USB 3.0 type A, 2 x RS485, 2 x DI ● 1 x HDMI 2.0 ● 9-36V DC, wide-range power input ● Optional Expansion for Cellular / WLAN ● 4 x PoE support compliant with IEEE 802.3af-2003 standard, and delivers a maximum power of 15.4 watts per port. ● 1 x Gigabyte ethernet |
| System |
| Cellular | 3G/4G/LTE, USB Signal |
| Wireless LAN | WiFi 802.11 b/g/n, PCIe signal |
| LED indicators | 6 x LED indicators |
| Power Supply |
| Power Requirement | 9-36 VDC, 2-pin terminal block |
| Power Consumption | TBD |
| Environmental and Mechanical |
| Dimension | 185mm * 130mm |
| Weight | TBD |
| Operating Temp. | -4 °F ~ 131 °F (-20 °C ~ 55 °C) |
| Storage Temp. | -40 °F ~ 176 °F (-40 °C ~ 80 °C) |
| Operating Humidity | 10% ~ 95% relative humidity, non-condensing |
| Interface |
| Serial Port | 2 x RS-485, terminal block |
| Ethernet | 1x 10/100/1000 Mbps, auto MDI/MDI-X, RJ-45 4 x 10/100 Mbps PoE IEEE 802.3af-2003 (15,4W) PSE, auto MDI/MDI-X, RJ-45 |
| DI | 2 X DI (Wet contact ,sink) Low input voltage < +8V High input voltage +9V ~ +31.2V |
| USB | 2 x USB 3.0, Type A 1 X Micro USB (Debug) |
| Display | 1 x HDMI 2.0 |
| Other Interface | 1 x Micro-SD slot 1 x Nano SIM card slot |
| Expansion Slot | 1 x mPCIe slot (USB signaling for 4G/LTE module) 1 x mPCIe slot (PCIe & USB signaling for WLAN module) |
| Certification |
| Regulations | CE, FCC |
| Ordering Information |
| ACM-SM21E1 | 2xRS485, 4x 10/100Mbps ethernet with POE, 1x Giga ethernet, 2x DI, 9-36 VDC |
Specifications are subject to change without notice.
| Dimension and Drawing |
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