MOXA UPort 1250 USB to 2-port RS-232/422/485 Serial Hub

Moxa Moxa

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


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In medical labs, research scientists typically collect large quantities of data from many samples using a variety of different instruments. Most research devices have parameters that can be accessed via a serial port for convenient reconfiguration. Laptops are often used as convenient and space-efficient computing solutions in medical labs, but most modern laptops no longer offer serial ports and only come equipped with USB ports. This presents a connectivity issue unless the USB ports can be expanded into serial ports. Moxa’s solution is the UPort® 1250, which is an RS 232/422/485 USB-to-serial converter that can be used to connect 2 serial interface instruments to a computer’s USB port, and is particularly convenient for medical researchers since advanced technical expertise is not
required.
The UPort® 1250 has the following features:
  • 2 serial ports for easy USB-to-serial expansion
  • True USB 2.0 high-speed transmission
  • 128-byte FIFO and on-chip hardware and software flow control to ensure stable data transmission
  • Easy troubleshooting with LED indicators for each serial port
  • Compatible with both laptops and desktop PCs
  • Hi-Speed USB 2.0 for up to 480 Mbps USB transmission
  • 921.6 kbps maximum baudrate for super fast data transmission
  • 128-byte FIFO and on-chip H/W, S/W flow control
  • 15N high retention type B connector
  • Drivers provided for Windows, WinCE, and Linux
  • LEDs for easy monitoring
  • 15 kV ESD protection for all serial ports
  • Locking power cord for the UPort 1250I
 Overview

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

Typical Application—Connecting Instruments in a Medical Lab

In medical labs, research scientists typically collect large quantities of data from many samples using a variety of different instruments. Most research devices have parameters that can be accessed via a serial port for convenient reconfiguration. Laptops are often used as convenient and space-efficient computing solutions in medical labs, but most modern laptops no longer offer serial ports and only come equipped with USB ports. This presents a connectivity issue unless the USB ports can be expanded into serial ports.
Moxa’s solution is the UPort® 1250, which is an RS-232/422/485 USB-to-serial converter that can be used to connect 2 serial interface instruments to a computer’s USB port, and is particularly convenient for medical researchers since advanced technical expertise is not required. The UPort® 1250 has the following features:

  • 2 serial ports for easy USB-to-serial expansion
  • True USB 2.0 high-speed transmission
  • 128-byte FIFO and on-chip hardware and software flow control to ensure stable data transmission
  • Easy troubleshooting with LED indicators for each serial port
  • Compatible with both laptops and desktop PCs
 USB Interface
Compliance USB 1.1/2.0 compliant
Connector USB type B
Speed 480 Mbps (Hi-Speed USB) and 12 Mbps (Full-Speed USB)
 Serial Interface
Number of Ports 2
Serial Standards RS-232/422/485
Connector DB9 male
 Serial Line Protection
ESD Protection 15 kV embedded
Electrical Isolation 2 kV (UPort 1250I only)
 Performance
Baudrate 50 bps to 921.6 kbps (including 500 kbps)
 Serial Communication Parameters
Data Bits 5, 6, 7, 8
Stop Bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF
FIFO 128 bytes
 Serial Signals
RS-232 TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422 TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
RS-485-4w TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
RS-485-2w Data+(B), Data-(A), GND
RS-485 Data Direction ADDC® (Automatic Data Direction Control)
 Operating Systems
Windows Real COM Drivers Windows 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 Drivers Linux 2.4.x, 2.6.x, 3.x
Note Please refer to Moxa’s website for the latest driver support information.
 Physical Characteristics
Housing SECC sheet metal (1 mm)
Weight Product only: 180 g (0.40 lb)
Packaged:
UPort 1250: 370 g (0.82 lb)
UPort 1250I: 680 g (1.5 lb)
Dimensions 77 x 26 x 111 mm (3.03 x 1.02 x 4.37 in)
 Environmental Limits
Operating Temperature 0 to 55°C (32 to 131°F)
Storage Temperature -20 to 75°C (-4 to 167°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Altitude Up to 2000 m
Note Please contact Moxa if you require products guaranteed to function properly at higher altitudes.
 Standards and Certifications
Safety UL 60950-1
EMC CE, FCC
EMI EN 55022 Class A, EN 61000-3-2, EN 61000-3-3, FCC Part 15 Subpart B Class A
EMS EN 55024, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, IEC 61000-4-8, IEC 61000-4-11
Green Product RoHS, CRoHS, WEEE
Power Requirements
Power Consumption UPort 1250 (bus power): 360 mA @ 5 VDC
UPort 1250I (12 to 48 VDC external power): 200 mA @ 12 VDC
 MTBF (mean time between failures)
Time 563,179 hrs
Database Telcordia (Bellcore), GB
Warranty
Warranty Period 5 years
Details See www.moxa.com/warranty
  • 1 UPort 1250 or 1250I USB-to-serial converter
  • USB-IF certified cable
  • 1 mini DB9 female to terminal block adaptor
  • Power adaptor (UPort 1250I)
  • Documentation and software CD
  • Quick installation guide (printed)
  • Warranty card

Part Code:

UPort 1250

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MOXA UPort 1250 USB to 2-port RS-232/422/485 Serial Hub

MOXA UPort 1250 USB to 2-port RS-232/422/485 Serial Hub

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