1x 488-USB
1x BL-500
1x BL-510
1x BL-554
1x BL-565
1x C104H (DB9 & DB25)
1x C104H/PCI (DB9 & DB25)
1x C104HS (DB9 & DB25)
1x C104HS/PCI (DB9 & DB25)
1x C168H
1x C168H/PCI
1x C168HS
1x C218Turbo
1x C218Turbo/PCI
1x CI-104J
1x CI-132
1x CI-132I
1x CI-132IS
1x CI-134
1x CI-134I
1x CI-134IS
1x CP-114
1x CP-114I
1x CP-114IS
1x CP-114S
1x CP-132
1x CP-132I
1x CP-132IS
1x CP-132S
1x CP-204J
1x CP-DS
1x CP-DS
1x CP-QS
1x DE-301
1x DR-120-24
1x DR-4524
1x DR-75-24
1x DSC-100
1x DSC-100-750
1x DSC-100IND
1x E-DV2001
1x E-FireBoard-400
1x E-FireBoard-Blue
1x E-FireRepeater
1x E-LP-10R01
1x E-PLA-653
1x E-PLA-654
1x E-PLA-661-KIT
1x E-PLA-662-KIT
1x E-PLA-741
1x E-PLA-741P
1x KCD-MQ01-BA
1x KCD-MQ02-AA
1x KCD-QD01-BA
1x KCD-QD02-BB
1x KCD-QE01-BB
1x KCD-QE02-BB
1x KCD-QM01-BB
1x KCD-QM02-BB
1x M1
1x ME51-M-SC
1x ME51-M-ST
1x ME51-S-SC
1x ME61A-S-SC
1x ME61B-S-SC
1x NPort 4511
1x NPort 4511-B
1x NPort 4511-ST
1x NPort 5210
1x NPort 5230
1x NPort 6110
1x NWH650/Euro
1x PC-31C
1x PC-488-Cable
1x PCI-31-4
1x PCI-31-8
1x TCC-100
1x TCC-100I
1x TCC-120
1x TCC-120I
1x TCF-140-M
1x TCF-141-M
1x TCF-141-S

Subtotal: $ 45024.38

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Industrial Communication Products > Serial Communication > PCI Communication > RS-422/485 Boards

Two port RS-422 or RS-485 serial card

  • Two independent serial interfaces
  • Configurable on-board as RS-422 or RS-485
  • PCI bus specification 2.1 compliant
  • Speeds to 921.6 kbps
  • 16750 UARTs with 64-byte FIFOs standard
  • Four-layer board design
  • All ports share a single PCI interrupt
  • Optional surge suppression package
  • Windows 95/98/NT, Windows 2000 and OS/2 supported
  • The DSC-200/300 provides two independent serial channels, each of which is jumper configurable for either RS-422 or RS-485. As a PCI device, the DSC-200/300 is automatically configured by the computer's BIOS or operating system. The two ports share a single interrupt and are addressed in a contiguous 16 byte I/O block. An interrupt status register is provided to manage the shared interrupt. The DSC-200/300 completely adheres to the PCI 2.1 specification, and all PCI registers are properly implemented, so users can be assured that the DSC-200/300 will not conflict with other properly implemented PCI devices.

    The DSC-200/300 is implemented with two 16750 UARTs containing 64-byte FIFOs. It has a clock multiplying feature allowing the board to achieve data rates as high as 921.6 kbps. The high clock speeds and deep FIFOs will greatly reduce CPU overhead, making the DSC-200/300 an ideal choice for heavy multi-tasking environments.

    To maintain maximum signal integrity, Quatech's DSC-200/300 uses a four-layer board design. But, for even more protection in industrial environments, an optional surge suppression package is available. This "IND" option applies a surge suppressor to each line that is capable of sustaining up to 40A 20ms peak transient surges, a clamping voltage of 30V and a peak energy dissipation of 0.1 Joules. (Note that implementing the IND option restricts the board's speed to 115.2 kbps.)

    Ordering Information

    Item    Description    Price    Qty
    DSC-200/300    Two port RS-422 or RS-485 serial card    $ 216.00   
    DSC-200/300IND    2 port RS-422/485 board    $ 245.00   
    Optional Accessories

    Item    Description    Price    Qty
    CP-DS    Converts D-9 to D-25 cable for DSC-200/300    $ 17.00   

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