1-port RS-232/422/485 USB-to-serial converters
USB-to-serial converter
1-port USB-to-serial converter
1-port RS-232/422/485 USB-to-serial converters
USB-to-serial converter
1-port USB-to-serial converter
USB-to-Serial Converters
Product Introduction
  • 12 Mbps USB data rate
  • Software selectable RS-232, RS-422, 4-wire RS-485, and 2-wire RS-485
  • Certified drivers provided for Windows (including Vista), WinCE 5.0, and Linux
  • 15 KV ESD protection for all serial ports

This converter used to connect RS232/RS422/RS485 devices to PC via USB port and then create virtual COM port in PC. This is very useful when COM ports are not available in PC. As a plug and play USB device, the USB-to-serial adaptors are perfect for mobile, instrumentation, and point-of sale applications.

The families of Networking products cover GSM controller, wireless Ethernet converter (also called wireless Ethernet adapter, wireless Ethernet bridge, wireless Ethernet), Ethernet converter, RS-485 to RS-232 converter, and USB converter.

  • Full-Speed USB operation at up to 12 Mbps
  • Additional I/O or IRQ not required
  • Serial transmission speed up to 921.6 Kbps
  • 64-byte FIFO and built-in hardware and software flow control
  • Built-in 15 KV ESD protection
  • Support for RS-422, 2-wire RS-485, and 4-wire RS-485 (UPort 1150)
  • Terminal block adaptor (UPort 1150)
  • 2 KV Optical Isolation Protection (UPort 1150I only)
Version 900/1800 MHz, dual band.
Connector USB type B
Speed 12 Mbps
Serial Interface
No. of Ports 1
RS-422 TxD+(B), TxD-(A), RxD+(B), RxD-(A),GND
RS-485 4-wire: TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND 2-wire: Data+(B), Data-(A), GND
Connector Male DB9
FIFO 64 bytes
Serial line protection 15 KV ESD for all signals
Serial Communication Parameters
Parity None, Even, Odd, Space, Mark
Data bits 5, 6, 7, 8
Stop bits 1, 1.5, 2
Flow control RTS/CTS, XON/XOFF
Speed 50 bps to 921.6 Kbps
Power Requirements
Power Consumption 30 mA@5 VDC
Dimensions UPort 1110/1130/1150: 37.5 x 20.5 x 60 mm (L x W x H)
UPort 1150I: 52 x 80 x 22 mm (L x W x H)
Material UPort 1110/1130/1150: ABS + PC
UPort 1150I: Metal
Gross Weight UPort 1110/1130/1150: 60 g (0.13 lb)
UPort 1150I: 80 g (0.17 lb)
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Operating Humidity 5% RH to 95% RH
Regulatory Approvals
EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-8, FCC Part 15 Class B
5 years
Brochure UPort_1150 ( 414KB / 2pages ) Download
User Manual UMUPort_1150 ( 1.46MB / 26 pages ) Download


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