VXC-142U VXC-142iU
PCI Communication Board
Features
VXC-142U
Available soon
■ Supports 3.3 V/5 V PCI bus, Plug and
Play
■ Built-in Com-Selector
■ 128 bytes hardware FIFO for each port
■ Self-Tuner Inside
■ Up to 128 KB software FIFO for each
COM port under Windows
■ Short Card Design
■ Provides 2-port Isolated RS-422/485
■ +/-4 kV ESD Protection
■ LED diagnostic indicators
■ DOS, Windows NT/2K/XP/2003
and Linux driver supported
[ VXC-142iU only ]
■ 3 kV Isolated ports
Software
■ DOS Lib
VXC-142iU
Available soon
VXC-142U: Universal PCI Bus, 2-port RS-422/485
communication board
VXC-142iU: Universal PCI Bus, 2-port Isolated RS-422/485
communication board
■ Driver for Windows NT 4.0
■ Driver for Windows 2000/XP/2003
■ Driver for Linux
Introduction
Functional Description
The VXC-142U/VXC-142iU card provides two independent RS-422/RS-485 serial ports, while
the VXC-142iU card provides isolation voltage up to 3 kV. Each port can be configured as either
RS-485 for half-duplex or RS-422 for full-duplex communication. It equips 128 bytes hardware
FIFO for each port, offers speed up to 115200 bps and supports full-duplex communication.
The user can select a specified COM port number manually by setting dip switch, or let the
driver to choose an available number automatically. The driver provides a maximum of 128 KB
software FIFO for each COM port under Windows. It's practical for large file transmission.
In the harsh industrial environment, the on board ESD protection can protect the computer and
equipment from being damaged by high potential voltage. Along with the basic communication
feature.
PCI Communication Board
Specifications
VXC-142U
VXC-142iU
Universal PCI bus, 5 V, 33 MHz, 32-bit, Plug and Play mechanism
RS-422/485
Isolated RS-422/485
16C550 compatible
50 ~ 115200 bps
5, 6, 7, 8
1, 1.5, 2
None, Even, Odd, Mark, Space
Internal 128 bytes
2 x DB9 (Male)
0 ~ 50 ℃
-20 ℃ ~ 70 ℃
0 ~ 90% RH, non-condensing
130 mm x 105 mm
140 mm x 95 mm
Interface
COM1, COM2
UART
Baud Rate
Data Bit
Stop Bit
Parity
FIFO
Connector
Operating Temperature
Storage Temperature
Humidity
Dimensions (L X W)
Pin Assignment
RS-485 Cable Wiring
RS-422 Cable Wiring
Ordering Information
VXC-142U
~Available soon~
VXC-142i U
~Available soon~
Universal PCI Bus, 2-port RS-422/485 Communication Board.
Universal PCI Bus, 2-port Isolated RS-422/485 Communication Board.
Optional Accessories
CA-0910F
DN-09-2F
CA-090910
CA-PC09F
CA-0915
CA-0910F
9-pin Female-Female D-sub Cable 1 M
I/O Connector Block with DIN-Rail Mounting and two 9-pin Male Header.
Includes CA-0910F x 2 (9-pin Female-Female D-sub Cable 1 M).
9-pin Female D-sub cable for RS-422 connector, 1 M
9-pin Female D-sub connector with plastic cover
9-pin Male-Female D-sub cable, 1.5 M
DN-09-2F
CA-090910
CA-PC09F
CA-0915
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