Fonctionnalités

• Four independent RS422 / RS485 channels
• Excellent line noise immunity
  • Cable lengths up to 4000 feet
• RS485 Mode:
  • Up to 32 stations on same “twisted-pair” network
  • Line driver control:
    • Automatic control of line drivers under special UART mode using RTS SIGNAL
  • RX echo cancel in hardware for 2 wire 485
• Termination resistors controlled by software (no board modification required)
• High performance 17V354 UART
• All standard and non-standard baud rates up to 25 Mbit/s
  • Features on-board clock generator to attain non-standard rates without modifying the hardware or changing the clock
• 256 byte FIFOs for improved through-put
  • 256-byte RX FIFO with programmable level control
  • 256-byte TX FIFO with programmable level control
• Durable Cable and RFI shielding
  • Cable assembly: VHDCI 68 plug to four DB9 receptacles (2 ft.)
  • Other cable configurations available upon request
• Cable, documentation, and software drivers included
• Designed and manufactured by COMMTECH, INC. Wichita, Kansas, USA

Spécifications

RoHS 3 2015/863/EU Compliant

UART: EXAR 17V354(Data Sheet)
INTERFACE: RS422 / RS485
CONNECTOR CONFIGURATION: Cable assembly (2 ft.) – CHAMP 68 VHDCI to four DB9 receptacles
SIGNALS: TX+, TX–, RX+, RX–, RTS+, RTS–, CTS+, CTS–
BUS INTERFACE: PCIe x1 Gen 2.0
BAUD RANGE: All standard PC baud rates; easily select any non-standard baud rates
from 1 bps to 25 Mbit/s
Maximum data rates are estimates. They are greatly affected by a number of different factors. See the data rates section of the manual for more details. This is possible as long as the operating parameters are within reason. If you have any question about whether the card can meet your needs, please contact Technical Support.
POWER REQUIREMENTS:
+3.3V 125mA (typical)
+12V 150mA (typical)
ENVIRONMENT:
Operating Temperature Range: 0 to 70 C
Humidity: 0 to 90% (non-condensing)