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MOXA UPort 1150I 1-port RS-232/422/485 USB-to-serial converter with optical isolation protection

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The most basic video surveillance setup is a single camera connecteddirectly to a monitor and recording device. However, many businessesrequire video surveillance on a larger scale, which often requires adedicated management system. These management systems are unable to include every possible type of device port, and for this reason, converters are often necessary when attaching different devices. A client that designs video surveillance systems needed USB- to-serial converters to connect devices to the management system. Their system needed to be able to connect to serial devices such as card readers, modems, video cameras, and sensors. Moxa’s UPort® 1110 and UPort® 1150 USB-to-serial converters, which provide 1 RS- 232 or RS-232/422/485 port for connecting devices to a PC without needing to open the computer’s chassis to install a board, fit the bill.

The UPort® 1110/1150 have the following features:

  • USB 2.0 compatibility
  • RS-232 or RS-422/485 interface
  • Stability and reliability
  • Cost-effectiveness
  • Plug-and-play ability
  • Easy to use

In addition, a special driver allows the UPort® 1110/1150 to remember the original COM port number when the UPort® is unplugged and then re-plugged into a different USB port

  • Compatible with USB 2.0
  • 12 Mbps USB data rate
  • 15N high retention USB type B connector (UPort‚Ñ¢ 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‚Ñ¢ 1150I)
  • Full modem status LEDs for UPort‚Ñ¢ 1150I

Instant Plug & Play

The UPort‚Ñ¢ 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.

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 Parameters
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 55C (32 to 131F)
Storage Temperature-20 to 70C (-4 to 158F)
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
Custom Solutions
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24*7*365 Support