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Connect your PC system to serial devices with our selection of PCI, Universal PCI, ISA, PCMCIA, and USB serial cards. Boards are available with DB-25, DB-9, RJ-12, or USB connectors and up to 16 ports. Our multi-mode boards can toggle between RS-232, 422, 485, or EIA-530. Select one of our FireWire, USB, or Ethernet interface cards or choose a module that provides serial ports from USB or Ethernet. (Choose "More Criteria" for USB, FireWire, LAN/Ethernet, parallel, GPIB, or Bluetooth ports.)  
  224 of 224 products meet your criteria. Show more options
Bus
RS-232 Ports
RS-422 Ports
RS-485 Ports
EIA-530 Ports
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 224 of 224 products meet your criteria. Show more options

CompareDeselectAdd to Cart  (Click Title To Sort) Prev 1 2 3 4 5 6 [7] 8 9 10 Next >>
    Description  BusPortsData RateShipping  Price   
USB 8-Port RS-323/422/485 Interface Module USBS 2608
USB 8-Port RS-232/422/485 Serial Interface Converter, 921.6 kbps Data Rate, 128-Byte FIFO Buffer for TX, 384-Byte FIFO Buffer for RX
USB
8 1-2 weeks  $499.00 Add to Cart
PCI 2-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 16-Byte FIFO Buffer, with 2 DB-9M Connectors COMHP 7204
PCI 2-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 16-Byte FIFO Buffer, with 2 DB-9M Connectors
PCI (32-bit, 5V
keyed)
2 Call  $189.00 Add to Cart
PCI 2-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, with 2 DB-9M Connectors COMHP 7204-X
PCI 2-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, with 2 DB-9M Connectors
PCI (32-bit, 5V
keyed)
2 Call  $209.00 Add to Cart
PCI 2-Port RS-232/422/485 Isolated Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors COMHP 7203
PCI 2-Port RS-232/422/485 Isolated Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors
PCI (32-bit, 5V
keyed)
2 1-2 weeks  $329.00 Add to Cart
PCI 2-Port RS-232/422/485 Isolated Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, with 2 DB-9M Connectors COMHP 7203-X
PCI 2-Port RS-232/422/485 Isolated Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, with 2 DB-9M Connectors
PCI (32-bit, 5V
keyed)
2 2-5 days  $369.00 Add to Cart
PCI 4-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, with 4 DB-9M Connectors on Included Cable COMHP 7402-X
PCI 4-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, with 4 DB-9M Connectors on Included Cable
PCI (32-bit, 5V
keyed)
4 Call  $349.00 Add to Cart
PCI Serial Interface Card with 8 RS-232 Ports, 16C950 UART, & 8 DB-9M Connectors on Included Cable COMHP 7801-X
PCI 8-Port RS-232 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, 8 DB-9M Connectors on Included Cable
PCI (32-bit, 5V
keyed)
8 2+ weeks  $449.00 Add to Cart
PCI Serial Interface Card with 8 RS-232 Ports, 16C950 UART, & 8 DB-25M Connectors on Included Cable COMHP 7801-X-D25
PCI 8-Port RS-232 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, 16C950 UART, 8 DB-25M Connectors on Included Cable
PCI (32-bit, 5V
keyed)
8 Call  $449.00 Add to Cart
Low Profile PCI 1-Port RS-232 Serial Interface Card, 460 kbps Data Rate, 128-Byte FIFO Buffer, with DB-9M Connector and Isochronous Communication COML 1232U-X
Low Profile PCI 1-Port RS-232 Serial Interface Card, 460 kbps Data Rate, 128-Byte FIFO Buffer, with DB-9M Connector and Isochronous Communication
PCI (32-bit,
universal keyed)
1 Call  $139.00 Add to Cart
Low Profile PCI 1-Port RS-232 Serial Interface Card, 460 kbps Data Rate, 128-Byte FIFO Buffer, with DB-9M Connector COML 1232U
Low Profile PCI 1-Port RS-232 Serial Interface Card, 460 kbps Data Rate, 128-Byte FIFO Buffer, with DB-9M Connector
PCI (32-bit,
universal keyed)
1 1-2 weeks  $109.00 Add to Cart
 Showing 61 - 70 of 224 Products Prev 1 2 3 4 5 6 [7] 8 9 10 Next >>
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 Category Browse - USB & Serial Products
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