# Hardware ## {{@218#bkmrk-open-iot-and-iiot-ga}} ### Features
**Features** [![5e0098af-74b7-4f6a-84e2-63efb7875497 (1).png](https://docs.soleotech.ovh/uploads/images/gallery/2024-04/scaled-1680-/5e0098af-74b7-4f6a-84e2-63efb7875497-1.png)](https://docs.soleotech.ovh/uploads/images/gallery/2024-04/5e0098af-74b7-4f6a-84e2-63efb7875497-1.png)
Open IoT gateway
ESD protection for the RS485 data line
Power supply: +12 to +30 VDC
Transmission speed up to 115200 bps
Tx, Rx and power LED indicators
RS485 embedded termination 120 ohm
Optional WiFi
Operating temperatures: -40°C to +75°C
DIN-rail mounting
Dimensions: 90x56.4x22.5 mm
**3 years warranty**
**Customization of OEM is welcomed**
{{@169}} ### {{@190#bkmrk-specifications%E2%80%8E%E2%80%8E%E2%80%8E}} {{@190#bkmrk-redisage-pn-p01-p02-}} ### LED indicators
**Gateway P01** **Gateway P02**
[![image.png](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/8kQimage.png)](https://doc.redisage.com/uploads/images/gallery/2024-06/8kQimage.png)[![image.png](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/m6yimage.png)](https://doc.redisage.com/uploads/images/gallery/2024-06/m6yimage.png)
**LED indicator****Color****Function****LED indicator****Color****Function**
PWBluePowerPWBluePower
ETHGreenNetwork activityETHGreenNetwork activity
STRed / Green / BlueProgrammable LEDSTRed / Green / BlueProgrammable LED
### {{@190#bkmrk-pin-assignments}} {{@190#bkmrk-p01-%C2%A0-p02-%C2%A0}} ### Board overview [![1e6588f9-6051-4dc4-b380-0d4c5910c79c (1).png](https://docs.soleotech.ovh/uploads/images/gallery/2024-04/scaled-1680-/1e6588f9-6051-4dc4-b380-0d4c5910c79c-1.png)](https://docs.soleotech.ovh/uploads/images/gallery/2024-04/1e6588f9-6051-4dc4-b380-0d4c5910c79c-1.png) The complete Open IoT and IIoT Gateway kit consists of: - developer module - RJ45 network adapter - hardware programmer [![image-4.webp](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/image-4.webp)](https://doc.redisage.com/uploads/images/gallery/2024-06/image-4.webp) #### Power input pinout [![image.png](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/ijLimage.png)](https://doc.redisage.com/uploads/images/gallery/2024-06/ijLimage.png) - **VCC** - power supply input 9-30 VDC - **GND** - power supply ground - **DI** - digital input (used while there is no button mounted and it can be shorten only to GND) - **FG** - frame ground #### Test connectors Provided test connectors can be used for board debugging.
- **GPIO\_38** - ESP32 general purpose input - **3V3** - 3.3 VDC - **I2C\_SCL,** **I2C\_SDA** - I2C connectors - **GND** - ground - **NC** - not connected - **FGC** - frame ground connector - **BUT\_EXT** - button test line (default: high state) - **Q2** - Q2 output of parallel register (74HC595BQ) - **STCP** - clock input of serial register (74HC595BQ) - **SHCP** - clock input of buffer register (74HC595BQ) - **Q7S** - output of serial register (74HC595BQ) - **CHIP\_PU** - chip power up line ('1' - powers chip up) #### Button / antenna The antenna connector can be replaced with a button which can be used for, for example, restoring device to the default configuration, saved in EEPROM. [![image-30.webp](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/image-30.webp)](https://doc.redisage.com/uploads/images/gallery/2024-06/image-30.webp)

In order to use the button instead of the antenna, the R52 resistor (near the microUSB connector, on the bottom side) has to be soldered to the board.

#### RS232 ports The device has 2 independent RS485 ports. [![image.png](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/1qnimage.png)](https://doc.redisage.com/uploads/images/gallery/2024-06/1qnimage.png) #### RS485 ports The device is equipped with two MAX481 transceivers that enable communication in the RS485 standard on two channels independently. [![image.png](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/Ei3image.png)](https://doc.redisage.com/uploads/images/gallery/2024-06/Ei3image.png)

As the RS485\_1 / RS232\_1 and RS485\_2 / RS232\_2 standards use common microcontroller serial ports, it is possible to use only 1 interface from the pair at a time.

#### ETHERNET In order to support the Ethernet network interface communication, the network adapter available in the kit must be installed on the module (pay attention to its correct installation). This interface is supported by the external IP101G physical layer which communicates with the ESP32 microcontroller. [![image-33.webp](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/image-33.webp)](https://doc.redisage.com/uploads/images/gallery/2024-06/image-33.webp) #### Programming The device can be programmed only with the external hardware programmer connected via Tag-Connect connector. [![image-6.webp](https://doc.redisage.com/uploads/images/gallery/2024-06/scaled-1680-/image-6.webp)](https://doc.redisage.com/uploads/images/gallery/2024-06/image-6.webp)