Please note that we will be closed for the holiday period starting from 24th December, and will reopen on 2nd January 2026. Our last shipping dates to customers this year will be - UK Mainland: 22/12/2025. Highlands/2-day carriage: 18/12/2025. FedEx Priority: 16/12/2025. FedEx Economy: 15/12/2025.

UPort 1250-G2 Series - Moxa 2 Port RS-232/422/485 DB9 Serial to USB3.2 Converter, 0°C to +60°C

From £138.00 (exc. VAT)
The UPort 1250/1250I-G2 USB-to-serial converters connect 2x RS-232/422/485 devices to your laptop or workstation through the USB 3.2 Gen 1 (Universal Serial Bus) port. These plug-and-play USB solutions are perfect for mobile, instrumentation, and point-of-sale applications.

Who We Are

Impulse Embedded is a leading provider of Industrial computing systems and solutions. Our customers rely on us to provide the best embedded computing products and solutions for the challenges presented by today’s industrial demands. Together with our global manufacturing partners we provide world-class innovative embedded computing and automation products and solutions suitable for multiple industrial market sectors.

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The UPort 1250/1250I-G2 USB-to-serial converters connect 2x RS-232/422/485 devices to your laptop or workstation through the USB 3.2 Gen 1 (Universal Serial Bus) port. These plug-and-play USB solutions are perfect for mobile, instrumentation, and point-of-sale applications.

Features
  • Hi-Speed USB3.2 Gen 1 for up to 5Gbps USB transmission
  • 50 bps to 921.6 kbps baudrate (nonstandard baud rates supported)
  • 512-byte on-chip FIFO cache and flow control for enhanced performance
  • 15N high retention type B connector
  • Drivers provided for a broad selection of operating systems, including Windows and Linux
  • Double-sided LEDs located at the corners show power, TX, and RX statuses in either directions
  • Latching USB cable design for firmer connection
  • Serial port with 2 kV isolation protection (for “-I” models)
  • 0°C to +60°C operating temperature (-40°C to +75°C on T models)

Compare Model Specifications

Model Name Warranty Baud Rate Device Type Input Voltage Market Certifications Operating Temperature USB Ports USB Speed
UPort 1250-G2-T 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL -40°C to 75°C 2x 5 Gbps, 480 Mbps, 12 Mbps
UPort 1250I-G2 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL 0°C to 60°C 2x 5 Gbps, 480 Mbps, 12 Mbps
UPort 1250I-G2-T 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL -40°C to 75°C 2x 5 Gbps, 480 Mbps, 12 Mbps
UPort 1250-G2 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL 0°C to 60°C 2x 5 Gbps, 480 Mbps, 12 Mbps
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Model Name Warranty Baud Rate Device Type Input Voltage Market Certifications Operating Temperature USB Ports USB Speed
UPort 1250-G2-T 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL -40°C to 75°C 2x 5 Gbps, 480 Mbps, 12 Mbps
UPort 1250I-G2 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL 0°C to 60°C 2x 5 Gbps, 480 Mbps, 12 Mbps
UPort 1250I-G2-T 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL -40°C to 75°C 2x 5 Gbps, 480 Mbps, 12 Mbps
UPort 1250-G2 5 Years 50 bps to 921.6 kbps Serial to USB3.2 Converter 5V DC CE, FCC, UL 0°C to 60°C 2x 5 Gbps, 480 Mbps, 12 Mbps

Delivery & Returns

We offer a range of delivery options to suit your needs.

UK Mainland

  • Free next day shipping on all orders over £150 (UK Mainland only)
  • Next day delivery - £12 (UK Mainland only)
  • Postcode Exclusions: ZE, KW15+ PO 30, JE, HS, GY, TR, IM, AB31+, KW 1-14, FK19+, PA20+, IV, PH

Northern Ireland & Highlands

  • Northern Ireland (2 business day delivery) - from £40 (UKIMS required for NI)
  • Highlands delivery (up to 3 business days) - from £30

Ireland

  • Ireland Economy (2-5 business days) - from £35
  • Ireland Priority (1-3 business days) - from £50

RMA

In order to process returned goods, Impulse Embedded Limited uses an internal RMA system. Before returning goods for any reason, please contact Impulse Embedded Limited (returns@impulse-embedded.co.uk) to request an RMA number. Please confirm the reason for the return of the goods, providing the Serial Number, Product Code, and Impulse Embedded Limited Invoice Number (if known).

When returning goods, please ensure they are suitably packed so as to avoid damage, are in the original packaging, along with all accessories, with the outer packaging marked with the RMA number. It is recommended that you use a signed delivery service, as goods lost in transit are not the responsibility of Impulse Embedded Limited.

Please do not write the RMA number on the goods or on the original packaging. Impulse Embedded Limited may refuse returned goods and return them if they arrive without an RMA number, or not in the original packaging.

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Moxa 2 Port RS-232/422/485 DB9 Serial to USB3.2 Converter, 0°C to +60°C

Please complete the details below to receive your quote

Select the products of this series that you wish to request quantity or project pricing, or lead time information for:

  • UPort 1250-G2-T

    2 Port RS-232/422/485 DB9 Serial to USB3.2 Converter – Extended Wide Temperature Operation

  • UPort 1250I-G2

    2 Port RS-232/422/485 DB9 Isolated Serial to USB3.2 Converter

  • UPort 1250I-G2-T

    2 Port RS-232/422/485 DB9 Isolated Serial to USB3.2 Converter – Extended Wide Temperature Operation

  • UPort 1250-G2

    2 Port RS-232/422/485 DB9 Serial to USB3.2 Converter

Add to Quote List