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AJMRTC Dual Ethernet Quad Isolated RS485 Base Board (B) for Raspberry Pi Compute Module 4 CM4, Gigabit RJ45 LAN, 4CH Isolated RS485, USB2.0 Type A, Industrial IoT Carrier Board
- 1. Designed exclusively for Raspberry Pi CM4, compatible with all RAM and eMMC variants of Compute Module 4
- 2. Dual Ethernet ports including one Gigabit RJ45, ideal for routing, gateway and network isolation projects
- 3. 4-channel fully isolated RS485 with surge & ESD protection, stable Modbus communication for sensors and PLC
- 4. Onboard USB2.0 Type A port for connecting USB peripherals, storage devices and adapters
- 5. Rich expansion interfaces including HDMI, CSI camera ports, RTC and fan header for industrial customization
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Overview
Specs
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AJMRTC CM4 Dual ETH Quad RS485 base board (B) is an industrial-grade carrier board built for Raspberry Pi Compute Module 4. It integrates dual Ethernet and four isolated RS485 channels to separate serial bus signals and suppress ground loop interference. It carries HDMI output, dual MIPI CSI camera interfaces, onboard RTC real-time clock, TF card slot for CM4 Lite and PWM fan control header. It runs smoothly with Raspberry Pi OS and supports Modbus RTU networking, data acquisition, edge gateway and industrial control applications. Compute Module 4 is NOT included.
Specifications
- Brand: AJMRTC
- Model: Dual ETH Quad RS485 Base Board (B)
- Compatible Module: Raspberry Pi Compute Module 4 (all versions)
- Ethernet: 1×Gigabit RJ45, 1×100Mbps RJ45
- Serial Port: 4CH isolated RS485
- USB: USB2.0 Type A
- Display: HDMI port, up to 4K@30fps
- Camera: Dual MIPI CSI-2 interfaces
- RTC: Real-time clock with battery holder (battery excluded)
- Storage: MicroSD slot for CM4 Lite
- Fan: 5V PWM fan header
- Protection: Isolation, ESD and surge protection for RS485 bus
- Power Input: Wide voltage DC power terminal
- Application: Industrial gateway, Modbus data collector, edge controller, remote monitoring
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
Manufacturer Contact Info
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