1 hardware
This chapter introduces the product overview, packing list, appearance, button, indicators and interfaces.
1.1 Overview
ED-IPC3020 is a high-performance industrial PC based on Raspberry Pi 5. According to different application scenarios and user needs, different specifications of RAM, SD card and SSD computer systems can be selected.
- RAM can choose 4GB and 8GB
- SD card can choose 32GB and 64GB
- SSD can choose 128GB and 256GB
ED-IPC3020 provides HDMI, USB 2.0, USB 3.0, RS232, RS485, Audio and Ethernet interfaces, supporting access to the network through Wi-Fi and Ethernet. ED-IPC3020 integrates RTC and is mainly used in industrial control and IOT.
1.2 Packing List
- 1x ED-IPC3020 Unit
- 4x Pads
- 1 x Tweezers (using to insert/remove SD card)
1.3 Appearance
Introducing the functions and definitions of interfaces on each panel.
1.3.1 Front Panel
This section introduces functions and definitions of front panel.
| NO. | Function Definition |
|---|---|
| 1 | 1 x RS232 port, 3-Pin 3.5mm spacing phoenix terminal, which is used to connect the third-party control equipment. |
| 2 | 2 x green UART indicators, which is used to check the communication status of UART port. |
| 3 | 1 x red power indicator, which is used to check the status of device power-on and power-off. |
| 4 | 1 x green system status indicator, which is used to check the working status of device. |
| 5 | 1 x Audio Output (HPO), 3.5mm audio jack connector(green), stereo audio output. |
| 6 | 1 x Audio Input (LINE IN), 3.5mm audio jack connector(red), supporting stereo audio input. |
| 7 | 1 x RS485 port, 3-Pin 3.5mm spacing phoenix terminal, which is used to connect the third-party control equipment. |
| 8 | 2 x USB 2.0 ports, type A connector, each channel supports up to 480Mbps. |
| 9 | 2 x USB 3.0 ports, type A connector, each channel supports up to 480Mbps. |
| 10 | 1 x 10/100/1000M adaptive ethernet port, RJ45 connector, with led indicator. It can be used to access the network. |
1.3.2 Rear Panel
This section introduces interfaces and definitions of rear panel.
| NO. | Function Definition |
|---|---|
| 1 | 1 x power button, which is used to turn on and turn off the device. |
| 2 | 1 x Micro SD card slot, which is used to install SD card. It supports booting the OS from SD card. |
1.3.3 Side Panel
This section introduces interfaces and definitions of side panel.
| NO. | Function Definition |
|---|---|
| 1 | 1 x DC input, USB Type-C connector, which supports 5V 5A power input. |
| 2 | 2 x HDMI ports, micro-HDMI connector, which can connect a display and supports 4K 60Hz. |
1.4 Button
The ED-IPC3020 includes a ON/OFF button, and the silkscreen is "ON/OFF". If you run Raspberry Pi Desktop, you can initiate a clean shutdown by briefly pressing the power button. A menu will appear asking whether you want to shutdown, reboot, or logout:
TIP：
If you run Raspberry Pi Desktop, you can press the power button twice in quick succession to shut down.
1.5 Indicator
This section introduces various statuses and meanings of indicators contained in ED-IPC3020.
| Indicator | Status | Description |
|---|---|---|
| PWR | On | The device has been powered on. |
| Blink | Power supply of the device is abnormal, please stop the power supply immediately. | |
| Off | The device is not powered on. | |
| ACT | Blink | The system started successfully and is reading and writing data. |
| Off | The device is not powered on or does not read and write data. | |
| COM1~COM2 | On/Blink | Data is being transmitted. |
| Off | The device is not powered on or there is no data transmission. | |
| Yellow indicator of Ethernet port | On | The Ethernet connection is in the normal state. |
| Blink | The Ethernet connection is abnormal. | |
| Off | The Ethernet connection is not set up. | |
| Green indicator of Ethernet port | On | The Ethernet connection is in the normal state. |
| Blink | Data is being transmitted over the Ethernet port. | |
| Off | The Ethernet connection is not set up. |
TIP:
The function of the PWR/ACT indicator on the Raspberry Pi 5 has been transferred to the separate PWR and ACT indicators by default, so the PWR/ACT indicator remains on after the device is powered on.
1.6 Interface
Introducing the definition and function of each interface in the product.
1.6.1 SD Card Slot
The ED-IPC3020 includes a Micro-SD card slot, and the silkscreen is "
"，which supports the installation of an SD card for booting the system.
1.6.2 Power
The ED-IPC3020 includes one power input, and the silkscreen is "PWR IN". The connector is USB Type-C, which supports 5V 5A power input.
TIP:
In order for Raspberry Pi 5 to achieve better performance, it is recommended to use a 5V 5A power adapter.
1.6.3 1000M Ethernet
ED-IPC3020 includes one adaptive 10/100/1000M Ethernet port, and the silkscreen is "
". The connector is RJ45, which is used to access to network. It is recommended to use the network cable of Cat6 and above.
1.6.4 HDMI
ED-IPC3020 includes 2 HDMI ports, and the silkscreen is "HDMI". The connector is micro-HDMI, which can connect to HDMI displays and supports up to 4Kp60.
TIP
Some Micro HDMI cables have shorter Micro HDMI connectors, which may result in abnormal HDMI connections, so it is recommended to use Raspberry Pi's official Micro HDMI to standard HDMI cable.
1.6.5 USB 2.0
ED-IPC3020 includes 2 USB 2.0 ports, and the silkscreen is "
". The connector is USB Type-A, which can connect to standard USB 2.0 peripherals and supports up to 480Mbps.
1.6.6 USB 3.0
ED-IPC3020 includes 2 USB 3.0 ports, and the silkscreen is "
". The connector is USB Type-A, which can connect to standard USB 3.0 peripherals and supports up to 5Gbps.
1.6.7 RS232
ED-IPC3020 contains 1 RS232 port, 3-Pin 3.5mm spacing phoenix terminals. The silkscreen is "TX/RX/GND".
Pin Definition
Terminal pins are defined as follows:
 | Pin ID | Pin Name |
|---|---|---|
| 1 | TX | |
| 2 | RX | |
| 3 | GND |
| Signal | CM4 GPIO Name | CM4 Pin Out |
|---|---|---|
| TX | GPIO4 | UART3_TXD |
| RX | GPIO5 | UART3_RXD |
Connecting Cables
Schematic diagram of RS232 wires is as follows:
1.6.8 RS485
ED-IPC3020 contains 1 RS485 port, 3-Pin 3.5mm spacing phoenix terminals. The silkscreen is "A/B/GND".
Pin Definition Terminal pins are defined as follows:
 | Pin ID | Pin Name |
|---|---|---|
| 1 | A | |
| 2 | B | |
| 3 | GND |
The pin names of CM4 corresponding to RS485 interface are as follows:
| Signal | CM4 GPIO Name | CM4 Pin Out |
|---|---|---|
| A | GPIO12 | UART5_TXD |
| B | GPIO13 | UART5_RXD |
Connecting Cables
Schematic diagram of RS485 wires is as follows:
RS485 Terminal Resistor
ED-IPC3020 contains a RS485 port. A 120R jumper resistor is reserved between A and B of RS485 line. The jumper cap can be inserted to enable the jumper resistor. By default, the jumper cap is not connected, and the 120R jumper resistor function is disabled. The position of jumper resistor in the PCBA is J7 in the figure below (red box position).
TIP:
You need to open the device case to view the position of 120R jumper resistor. For detailed operations, please refer to 2.3 Open Device Case.
1.6.9 Audio In
ED-IPC3020 contains one audio input (LINE IN), 3.5mm audio jack connector(red). The silkscreen is "
", supporting stereo audio input.
1.6.10 Audio Out
ED-IPC3020 contains one audio output (HPO), 3.5mm audio jack connector(green). The silkscreen is "
", supporting stereo audio output.
1.6.11 Motherboard
Introducing the interfaces reserved in the ED-IPC3020, which can be obtained only after the device case is opened, and can be expanded according to actual needs.
TIP:
You need to open the device case to view motherboard interface. For detailed operations, please refer to 2.3 Open Device Case.
| NO. | Function Definition |
|---|---|
| 1 | 5V output |
| 2 | Speaker |
| 3 | PoE |
| 4 | M.2 M-key connector |
| 5 | RTC battery base |
1.6.11.1 5V Output
The motherboard of ED-IPC3020 includes an extended 5V output port with 3-Pin 2.0mm spacing white WTB connector, which is reserved for the extended LCD screen to supply power. The pins are defined as follows:
 | Pin ID | Pin Name |
|---|---|---|
| 1 | GND | |
| 2 | 5V | |
| 3 | GND |
1.6.11.2 Speaker
The motherboard of ED-IPC3020 includes one extended Speaker output with 4-Pin 2.0mm spacing WTB connector. Dual-channel stereo output, which can be extended to connect two 4Ω 3W stereo speakers. The pins are defined as follows:
 | Pin ID | Pin Name |
|---|---|---|
| 1 | R+ | |
| 2 | R- | |
| 3 | L+ | |
| 4 | L- |
1.6.11.3 PoE
The motherboard of ED-IPC3020 includes one extended PoE port with 4-Pin 1.5mm spacing WTB connector, which can be extended to connect PoE AC voltage. The pins are defined as follows:
 | Pin ID | Pin Name |
|---|---|---|
| 1 | VB2 | |
| 2 | VB1 | |
| 3 | VA2 | |
| 4 | VA1 |
1.6.11.4 M.2 M Key Connector
The motherboard of ED-IPC3020 includes one M.2 M-key connector, using to connect SSD and other fast peripherals. It compatibles with M.2 2230, M.2 2242 and M.2 2260, supporting to boot the OS from SSD.
1.6.11.5 RTC Battery Base
The motherboard of ED-IPC3020 is integrated with RTC. For the version sold in China, we will install CR1220 battery (RTC backup power supply) by default.
TIP:
Some international logistics do not support the transportation of batteries, and some ex-factory devices are not equipped with CR1220 batteries. Therefore, before using RTC, please prepare a CR1220 battery and install it on the motherboard.