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NPort 1240
NPort 1220/1220I

Board Ordering Information

 

NPort 1220/1220I
 
2-Port RS-422/485 USB-to-Serial HUB


 

 
Specifications | Ordering info | PDF Datasheet Download


 

Overview
  NPort 1220 gives your laptop or workstation the ability to communicate between a USB (Universal Serial Bus) port and up to 2 RS-422/485 serial peripherals. NPort 1220 adds 2 Windows serial COM ports via its USB port, and is compatible with new and legacy RS-422/485 devices.



 

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



 

Dimensions
 



 

Features
 
  • Expand to 2 RS-422/485 Ports throught USB
  • Supports 4-wire RS-422/485 and 2-wire RS-485 applications
  • Hot plug and play
  • Supports bus power and external power
  • No additional I/O, IRQ required
  • RS-422/485 speed up to 115.2 Kbps
  • Supports USB 1.1, full rate speed up to 12 Mbps
  • Built-in 15 KV ESD Surge Protection
  • Supports 2 KV Isolation (NPort 1220I)



 

Benefits
 
  • Low cost USB-to-serial solution
  • Easy to install and use
  • Plug and unplug without shutting down your PC



 

Applications
 
  • Mobile instrumentation
  • POS (Point-Of-Sale)


 

Specifications

USB

Compliance USB 1.1, 1.0
USB 2.0 backwards compatible
Connector USB type B
Speed Full speed 12 Mbps


Serial

Interface 4-wire RS-422: TxD+/-, RxD+/-, GND
4-wire RS-485: TxD+/-, RxD+/-, GND
2-wire RS-485: Data+/-, Data+/-, GND
Connector Terminal Block
FIFO 128 bytes
Serial line protection 16 KV ESD for all signals


Serial Communication Parameters

Parity None, Even, Odd
Data bits 7, 8
Stop bit 1, 2
Flow control RTS/CTS
Speed 600 to 115.2 Kbps


Power Requirements

Power Input 12 to 48 VDC (external) or 5 VDC (Bus power)
Power Consumption BUS: 140 mA @ 5 VDC
Ext. PWR: 155 mA @ 12V
                 306 mA @ 12V


Mechanical Specifications

Material ABS
Gross Weight 215 5 g (0.48 lb)


Environmental

Operating Temperature 0 to 55C (32 to 131F)
Storage Temperature -20 to 85C (-4 to 185F)
Operating Humidity 5 to 95% RH


Regulatory Approvals

EMC FCC (Class B), CE (Class B)
Safety UL, CUL, TV


 

Ordering Information
NPort 1220
  • USB to 2-Port RS-422/485 Serial HUB
  • NPort 1220I
  • USB to 2-Port RS-422/485 Serial HUB w/Isolation
  • All items include
  • 2-port USB-to-serial HUB
  • A to B USB cable (50 cm)
  • Quick Installation Guide
  • NPort Document and Software CD-ROM

  •  

     


     

     

    An Industrial Partner 1999-2002. All rights reserved.


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    VoxTechnologies Corp. - Industrial Computer Leader
    Tel:
    1-972-234-4343 Fax: 1-972-234-4295 Toll-Free: 1-888-568-6224

    For over a decade, VoxTechnologies has been a leading source of industrial computers and complete system products for the O.E.M. and Systems Integrator. Our primary goal is to provide a solution source for engineers that have the challenging task of interfacing and controlling the real world.

    Telephone: 1-972-234-4343 General Info: info@voxtechnologies.com Sales Info: sales@voxtechnologies.com
     
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    Copyright 1999 VoxTechnologies Corporation- An Industrial Partner
    Last modified: June 20, 2002