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Instant Plug & Play
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. This plug & play USB solution is 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.
Top Serial Performance
Moxa’s 20-plus years of experience in serial board design is now built into a
new top performance CPU called MOXA ART. This chip equips the UPort™ 1250/1250I
converters with USB 2.0 (Hi-Speed 480 Mbps), a 128-byte FIFO, on-chip hardware
and software flow control, and burst data mode, making Moxa’s UPort™ converters
the top performing USB-to-serial converters in the world.
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USB Interface
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Compliance
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USB 1.1/2.0 compliant
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Connector
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USB type B
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Speed
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480 Mbps (Hi-Speed USB) and 12 Mbps (Full-Speed USB)
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• Serial Interface
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Number of Ports
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2
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Serial Standards
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RS-232/422/485
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Connector
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DB9 male
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• Serial Line Protection
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ESD Protection
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15 KV embedded
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Optical Isolation
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2 KV (UPort 1250I only)
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• Performance
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Baudrate
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50 bps to 921.6 Kbps (including 500 Kbps)
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• Serial Communication Parameters
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Data Bits
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5, 6, 7, 8
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Stop Bits
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1, 1.5, 2
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Parity
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None, Even, Odd, Space, Mark
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Flow Control
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RTS/CTS, XON/XOFF
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FIFO
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128 bytes
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• Serial Signals
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RS-232
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TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
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RS-422
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TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
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RS-485-4w
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TxD+(B), TxD-(A), RxD+(B), RxD-(A), GND
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RS-485-2w
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Data+(B), Data-(A), GND
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RS-485 Data Direction
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ADDC® (Automatic Data Direction Control)
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• Driver Support
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Operating Systems
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Window 2000, Windows XP/2003/Vista/2008/7 x86/x64, WinCE 5.0/6.0, Linux 2.4.x, 2.6.x, 3.0.x
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Note
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Please refer to Moxa's website for the latest driver support information.
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• Physical Characteristics
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Housing
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SECC sheet metal (1 mm)
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Weight
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Product only: 180 g (0.40 lb)
Packaged:
UPort 1250: 370 g (0.82 lb)
UPort 1250I: 680 g (1.5 lb)
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Dimensions
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77 x 26 x 111 mm (3.03 x 1.02 x 4.37 in)
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• Environmental Limits
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Operating Temperature
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0 to 55°C (32 to 131°F)
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Storage Temperature
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-20 to 75°C (-4 to 167°F)
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Ambient Relative Humidity
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5 to 95% (non-condensing)
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• Standards and Certifications
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Safety
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UL 60950-1
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EMC
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CE, FCC
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EMI
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EN 55022 Class A, EN 61000-3-2, EN 61000-3-3, FCC Part 15 Subpart B Class A
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EMS
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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
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Green Product
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RoHS, CRoHS, WEEE
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• Power Requirements
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Power Consumption
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UPort 1250 (bus power): 360 mA @ 5 VDC
UPort 1250I (12 to 48 VDC external power): 200 mA @ 12 VDC
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• MTBF (mean time between failures)
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Time
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563,179 hrs
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Database
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Telcordia (Bellcore), GB
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• Warranty
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Warranty Period
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5 years
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Dimensions (unit=mm)
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Features
- 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
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