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UPort 1250/1250I NEW!
2-port RS-232/422/485 USB-to-serial converter with 2 KV isolation protection
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Features Datasheet (PDF)
Specifications Documentation & Drivers
Ordering Information

2KV Isolation Protection for RS-232/422/485 (UPort 1250I)
Supports hi-speed USB 2.0, up to 480 Mbps
128-byte FIFO and on-chip H/W, S/W flow control
 
 
Introduction
 

Instant Plug and Play
The UPort 1200 series of USB-to-serial hubs allow you to connect up to 2 RS-232/422/485 devices to your laptop or workstation through the USB (Universal Serial Bus) port. This plug and play USB solution is perfect for mobile, instrumentation, and point-of sale applications.

Simplified, Hassle-free Serial Port Expansion
USB plug and play allows easy serial port expansion, and requires no IRQ, DMA, or I/O address resources. Users no longer need to open the chassis or power down the system, saving on setup time and cost.

Top Performance with USB 2.0, 128-byte FIFO and on-chip H/W, S/W Flow Control
MOXA's many years of experience in USB-related design is now built into MOXA's new top performance CPU chip, called MOXA Art, which equips the UPort 1200 hubs with a USB 2.0 480 Mbps (high-speed) port, 128-byte FIFO, on-chip hardware and software flow control, and burst data mode. This makes the UPort 1200 Series the top performing USB-to-serial hub in the world.

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Features
2KV Isolation Protection for RS-232/422/485 (UPort 1250I)
Supports hi-speed USB 2.0, for up to 480 Mbps data transmission
Serial transmission speed up to 921.6 Kbps
128-byte FIFO and on-chip H/W, S/W flow control
No additional I/O or IRQ required
Built-in 15 KV ESD protection
Supports Windows 2000, XP, 2003, Vista, WinCE 5.0
Easy maintenance with LED display and management software
Mini female DB9 to terminal block for easy wiring
Bus power (UPort 1250) and external power (UPort 1250I) models available
 
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Specifications
USB
Compliant with
USB 1.1, 2.0
Connector
USB type B
Speed
Hi-Speed (480 Mbps), Full Speed (12 Mbps)
 
Serial Interface
No. of Ports
2
RS-232
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422
TxD+(B), TxD-(A), RxD+ (B), RxD-(A), GND
4-wire RS-485
TxD+ (B), TxD-(A), RxD+ (B), RxD-(A), GND
2-wire RS-485
Data+ (B), Data-(A), GND
RS-485 Data Direction
ADDC™ (Automatic Data Direction Control)
Connector
Male DB9
FIFO
128 bytes
ESD Protection
Embedded 15 KV ESD Protection
 
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
I/O address, IRQ
BIOS assigned
Operating Systems
Windows 2000, XP(x86,x64), 2003(x86,x64), Vista(x86,x64), WinCE 5.0
 
Performance
Baudrate
50 bps to 921.6 Kbps
 
Environmental
Operating Temperature
0 to 55°C (32 to 131°F)
Storage Temperature
-20 to 75°C (-4 to 167°F)
Operating Humidity
5 to 95% RH
Regulatory Approvals
EN55022 Class A, EN55024, EN61000-3-2, EN61000-3-3, EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, FCC Part 15 Class A, UL, CUL, TüV
Warranty
5 years
 
Power Requirement
UPort 1250
Bus Power: 360mA@5VDC
UPort 1250I
12 to 48 VDC external power: 200mA@12VDC

Ordering Information
 
UPort 1250
USB to 2-port RS-232/422/485 Serial Hub
UPort 1250I
USB to 2-port RS-232/422/485 Serial Hub with 2 KV Isolation Protection
Includes
  • 1 USB-to-Serial Hub and USB cable
  • Quick Installation Guide
  • Document and Software CD-ROM
  • 1 x Mini DB9F-to-TB adaptor
  • Power adaptor (UPort 1250I only)
  • Optional Accessories
    Mini DB9F-to-TB
    Mini Female DB9 to Terminal Block adaptor
     

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