UPort 1150 RS232/422/485 USB to Serial Converter

Part #: M UPORT 1150

1-port RS-232/422/485 USB-to-serial converter
  • Overview
  • Specifications
  • Downloads
  • Overview

1-port RS-232/422/485 USB-to-serial converters with 2 KV isolation protection (optional)

Features and Benefits 

  • Compatible with USB 2.0
  • 12 Mbps USB data rate
  • 15N high retention USB type B connector (UPort™ 1150I)
  • 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
  • 2 KV optical isolation protection (UPort™ 1150I)
  • Full modem status LEDs for UPort™ 1150I


Instant Plug & Play

The UPort™ 1150/1150I USB-to-serial converters allow you to connect 1 RS-232/422/485 device to your laptop or workstation through the USB (Universal Serial Bus) port. These plug & play USB solutions are compatible with both new and legacy RS-232/422/485 devices, and are perfect for mobile, instrumentation, and point-of sale applications.

Simplified, Hassle-free Serial Port Expansion

USB plug & play makes serial port expansion easy, and does not require IRQ, DMA, or I/O address resources. Users no longer need to open the chassis or power down the system to add COM ports, saving on setup time and cost.

  • Specifications
USB Interface
ComplianceUSB 1.0/1.1 compliant, USB 2.0 compatible
ConnectorUSB type A
Speed12 Mbps (Full-Speed USB)
Serial Interface
Number of Ports1
Serial StandardsRS-232/422/485
ConnectorDB9 male
Serial Line Protection
ESD Protection15 kV embedded
Electrical Isolation2 kV (UPort 1150I only)
Baudrate50 bps to 921.6 kbps
Serial Communication Parametres
Data Bits5, 6, 7, 8
Stop Bits1, 1.5, 2
ParityNone, Even, Odd, Space, Mark
FIFO64 bytes
Serial Signals
RS-422TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
RS-485-4wTxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
RS-485-2wData+(B), Data-(A), GND
RS-485 Data DirectionADDC® (Automatic Data Direction Control)
Operating Systems
Windows Real COM DriversWindows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1 (x86/x64), Windows 2012 (x64), Windows Embedded CE 5.0/6.0
Android Driver
Linux Real TTY DriversLinux 2.4.x, 2.6.x, 3.x
NotePlease refer to Moxa’s website for the latest driver support information.
Physical Characteristics

UPort 1150:ABS + PC
UPort 1150I:SECC sheet metal (1 mm)


Product only:
UPort 1150: 65 g (0.14 lb)
UPort 1150I: 75 g (0.65 lb)
UPort 1150: 200 g (0.44 lb)
UPort 1150I: 320 g (0.72 lb)


UPort 1150: 38.4 x 60 x 20 mm (1.51 x 2.36 x 0.79 in)
UPort 1150I: 52 x 80 x 22 mm (2.05 x 3.15 x 0.87 in)

Environmental Limits
Operating Temperature0 to 55°C (32 to 131°F)
Storage Temperature-20 to 70°C (-4 to 158°F)
Ambient Relative Humidity5 to 95% (non-condensing)
AltitudeUp to 2000 m
NotePlease contact Moxa if you require products guaranteed to function properly at higher altitudes.
Standards and Certifications
SafetyUL 60950-1
EMIEN 55022 Class B, EN 61000-3-2, EN 61000-3-3, FCC Part 15 Subpart B Class B
EMSEN 55024, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC-61000-4-6, IEC 61000-4-8, IEC-61000-4-11
Green ProductRoHS, CRoHS, WEEE
Power Requirements
Power Consumption

UPort 1150: 77 mA @ 5 VDC
UPort 1150I: 260 mA @ 5 VDC

MTBF (mean time between failures)
Time1,949,025 hrs
DatabaseTelcordia (Bellcore), GB
Warranty Period5 years
DetailsSee www.moxa.com/warranty
  • Downloads