Moxa UPort 1250I-G2-T | 2-Port USB-to-Serial Converter, 2 kV, -40 to 75C

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SKU:UPort 1250I-G2-T

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Description

The Moxa UPort 1250I-G2-T is a 2-port RS-232/422/485 USB-to-serial converter built for industrial use. It connects through a single SuperSpeed USB 3.2 Gen 1 Type-B port, adds 2 kV isolation protection to the serial ports, and operates across a wide -40 to 75°C temperature range in a rugged metal housing.

Each DB9 male serial port supports baudrates from 50 bps to 921.6 kbps with a 512-byte FIFO, and RS-485 mode includes automatic data direction control. The converter is powered from the USB bus and is supported by drivers for Windows, Linux and macOS, making it a practical way to connect legacy serial devices to modern hosts.

Features

- 2 kV digital isolation protection on the serial ports
- SuperSpeed USB 3.2 Gen 1 with USB 2.0 backward compatibility
- Software-selectable RS-232/422/485 modes
- Automatic data direction control (ADDC) for RS-485
- Wide -40 to 75°C operating temperature range
- Rugged metal housing for industrial environments
- Drivers for Windows, Linux and macOS
- Powered directly from the USB bus, no external power supply needed

Warranty

Moxa offers varying warranty periods depending on the product category:
• 5-Year Warranty: Applies to most industrial networking and connectivity products, including Ethernet switches, routers, wireless devices, serial converters, protocol gateways, and USB hubs.
• 3-Year Warranty: Covers x86-based industrial computers and panel PCs.
• 1-Year Warranty: Applies to external batteries, LCD panels, power adapters, antennas, and other select accessories.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Moxa products. Contact our team to explore options that align with your organization's needs.
https://www.moxa.com/en/support/repair-and-warranty/warranty-policy

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- 2 x RS-232/422/485 serial ports, DB9 male
- USB 3.2 Gen 1 (5 Gbps), USB 2.0/1.1 compatible, USB Type B
- 2 kV isolation protection
- Baudrate: 50 bps to 921.6 kbps, supports non-standard baudrates
- 512-byte FIFO
- Flow control: RTS/CTS, XON/XOFF
- RS-485 pull high/low resistor: 1 kilo-ohm or 150 kilo-ohms, 120 ohm terminator
- Powered by USB bus, 5 VDC, 400 mA at USB 3, 240 mA at USB 2
- Metal housing, IP20
- Dimensions: 75.8 x 25.0 x 111.0 mm
- Weight: 263 g
- Operating temperature: -40 to 75°C
- Ambient relative humidity: 5 to 95% non-condensing
- MTBF: 1,793,060 hrs (Telcordia SR332)

FAQs

Q: Which serial interfaces does the UPort 1250I-G2-T support?
A: Each of the two DB9 male ports supports RS-232, RS-422 and RS-485 (2-wire and 4-wire) modes, selectable in software.

Q: Does it need an external power supply?
A: No. It is powered from the USB bus at 5 VDC, drawing 400 mA on USB 3 or 240 mA on USB 2.

Q: What does the 2 kV isolation protect against?
A: The 2 kV isolation on the serial ports helps protect the host computer and connected equipment from ground loops and electrical surges on the serial side.

Q: Can it be used on older USB ports?
A: Yes. It operates over USB 3.2 Gen 1 and is backward compatible with USB 2.0 and USB 1.1 ports, with transfer speed set by the host port.

Q: Which operating systems are supported?
A: Drivers are available for Windows (including Windows 11 and 10), Linux (kernel 4.x, 5.x and 6.x) and macOS.

Q: What temperature range does this model operate in?
A: The 'T' wide temperature model operates from -40 to 75°C, suitable for industrial cabinets and harsh environments.

Datasheet

This product has a detailed PDF datasheet available. Open PDF datasheet in a new tab .

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Moxa UPort 1250I-G2-T | 2-Port USB-to-Serial Converter, 2 kV, -40 to 75C