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Moxa UPort 1650-8 eight port USB to serial hub with mini DB9 connectors

Moxa

Moxa UPort 1650-8 USB-to-Serial Hub 8 Port RS-232/422/485

SKU CH-9VFT-Y3MZ0

Connects eight RS-232/422/485 serial devices over USB 2.0 at up to 921.6 kbps with 15 kV ESD protection and mini DB9-to-terminal-block adapters for secure wiring

  • Product typeCable Modem
  • Hi-Speed USB 2.0 delivers up to 480 Mbps throughput
  • 6 kbps maximum baudrate enables rapid serial communication
  • 15 kV ESD protection safeguards ports against surges
  • 128-byte FIFO with hardware and software flow control ensures reliable data handling
  • Mini DB9 female to terminal block adapter simplifies field wiring

USB-to-Serial Hub for Industrial Integration

The Moxa UPort 1650-8 adds eight serial ports to a host over a single Hi-Speed USB 2.0 link. Each port handles RS-232/422/485 at up to 921.6 kbps with 128-byte FIFO and hardware or software flow control. Drivers for Windows, WinCE and Linux keep COM port numbers consistent across different PCs.

Check Host Interface and Driver Support

Verify the host provides a USB 2.0 Type B port and that the operating system matches the supplied driver set. The fixed-base COM utility sets the initial extended COM port number before deployment. Applications requiring baud rates beyond 921.6 kbps or protocols other than RS-232/422/485 will need a different solution.

Rugged Connectors and Secure Power

A 15N high-retention USB Type B connector resists accidental disconnection in vibration-prone cabinets. Mini DB9 female to terminal-block adapters simplify field wiring without soldering. The locking power cord prevents power loss, while 15 kV ESD protection shields the serial interfaces from transient spikes.

How it compares

Measured against everything we stock in Cable Modems & Gateway Routers, at today’s prices. Recalculated every night.

Price $507.99
Pricier than about 91% of the 122 comparable items (median $120.99).

Specifications

Product
Product typeCable Modem

Questions about this item

What comes in the box with the Moxa UPort 1650-8 and what must I buy separately?

The hub ships with a locking power cord and a mini DB9 female to terminal block adapter for wiring. No extra items are required for basic operation.

Which version of the UPort 1650-8 should I choose for my serial devices?

This single model provides eight ports that each support RS-232, RS-422 and RS-485, so one unit covers all three standards.

What does the 921.6 kbps baud rate mean when the hub is connected to a PC?

Each of the eight ports can transfer serial data at up to 921.6 kbps while the USB 2.0 link runs at 480 Mbps.

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