---
lang: "en"
title: "UPort 1250I-G2 2-Port RS-232 / 422 / 485 USB-to-Serial Converter"
sku: "UPort 1250I-G2"
canonical_url: "https://shop.marcomweb.it/en/industrial-usb/uport-1250i-g2-2-port-rs-232-422-485-usb-to-serial-converter"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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UPort 1250I-G2: 2-Port RS-232 / 422 / 485 USB-to-serial converter with optical isolation up to 2kV, operating temperature from 0°C to 60°C

Moxa's UPort USB-to-serial converters provide high-performance, industrial-grade connections for computers, allowing up to 16 serial devices to be connected via a single USB port. A wide range of converters are available with features including: SuperSpeed USB 3.2 and Hi-Speed USB 2.0, advanced UARTs for high-level serial performance, COM port mapping, Fixed-base COM (fixed port assignment) functionality, and much more.

 

 

## Technical Specifications

#### USB Interface

- USB Standard: USB 3.2 Gen 1, compliant with USB 1.1/2.0 standards
- Speed: 5 Gbps, 480 Mbps, 12 Mbps
- Number of USB Ports: 1
- USB Connector: USB Type B

#### Serial Interface

- Connector: DB9 male
- Baud Rate: 50 bps to 921.6 kbps (supports non-standard baudrates)
- FIFO: 512 bytes
- Parity: None, Even, Odd, Space, Mark
- Data Bits: 5, 6, 7, 8
- Stop Bits: 1, 1.5, 2
- Pull High/Low Resistor for RS-485: 1 kΩ, 150 kΩ
- Terminator for RS-485: 120 Ω
- Flow Control: RTS/CTS, XON/XOFF
- RS-485 Data Direction Control: ADDC
- Surge Protection: 0.5 kV
- Isolation: 2 kV ("I" models)
- Serial Standards: RS-232, RS-422, RS-485
- Number of Ports: 2

#### Serial Signals

- RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
- RS-422: Tx+, Tx-, Rx+, Rx-, GND
- RS-485 4-wire (4w): Tx+, Tx-, Rx+, Rx-, GND
- RS-485 2-wire (2w): Data+, Data-, GND

#### Serial Software Features

- Windows Driver: * Windows 11, 10, 8.1, 8 and 7 

- Windows Server 2022, 2019, 2016, 2012 R2, 2012 and 2008 R2
- Linux Driver: Kernel 6.x, 5.x and 4.x
- Mac Driver: macOS versions (Intel 64): 13, 12, 11 and 10.1x
- Virtual Machines: 

- VMware Fusion: Windows on macOS 13, 12, 11, 10.1x (Intel 64)
- VMWare ESXi: Linux kernel 4
- Parallels Desktop: Windows on macOS 13, 12, 11, 10.1x (Intel 64)
- Arm®-based Platform Support: Linux kernel 6.x, 5.x and 4.x
- Android API: Android 3.1.x and later versions

#### Power Parameters

- Input Voltage: 5 VDC via USB bus power
- Input Current: 

- UPort 1250-G2 Models: 

- 320 mA @ USB 3.0
- 160 mA @ USB 2.0
- UPort 1250I-G2 Models: 

- 400 mA @ USB 3.0
- 240 mA @ USB 2.0

#### Environmental Parameters

- Operating Temperature: 0 to 60°C (32 to 140°F)
- Storage Temperature: -40 to 75°C (-40 to 167°F)
- Ambient Relative Humidity: 5 to 95% (non-condensing)

#### Physical Characteristics

- Housing: Metal
- IP Rating: IP20
- Dimensions: 75.8 x 25.0 x 111.0 mm (2.98 x 0.98 x 4.37 in)
- Weight: 263 g (0.58 lb)

 

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Source: https://shop.marcomweb.it/en/industrial-usb/uport-1250i-g2-2-port-rs-232-422-485-usb-to-serial-converter

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.