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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.)  
  218 of 218 products meet your criteria. Show more options
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 218 of 218 products meet your criteria. Show more options

CompareDeselectAdd to Cart  (Click Title To Sort) [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
USB 4-Port RS-232/422/485 Interface Module (8-port model shown) USBS 2604
USB 4-Port RS-232/422/485 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte for TX/386-Byte for RX FIFO Buffer
USB
4 Call  $279.00 Add to Cart
USB 2-Port RS-232/422/485 Interface Module (8-port model shown) USBS 2602
USB 2-Port RS-232/422/485 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte for TX/386-Byte for RX FIFO Buffer
USB
2 2-5 days  $229.00 Add to Cart
USB 1-Port RS-422 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte (TX)/384-Byte (RX) FIFO Buffer USBS 241
USB 1-Port RS-422 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte (TX)/384-Byte (RX) FIFO Buffer
USB
1 Call  $109.00 Add to Cart
USB 8-Port RS-422/485 Interface Module (4-port model shown) USBS 2408
USB 8-Port RS-422/485 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte TX FIFO Buffer, 384-Byte RX FIFO Buffer
USB
8 2+ weeks  $449.00 Add to Cart
USB 4-Port RS-422/485 Interface Module USBS 2404
USB 4-Port RS-422/485 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte for TX/386-Byte for RX FIFO Buffer
USB
4 2-5 days  $239.00 Add to Cart
USB 2-Port RS-422/485 Interface Module (4-port model shown) USBS 2402
USB 2-Port RS-422/485 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte for TX/386-Byte for RX FIFO Buffer
USB
2 1-2 weeks  $189.00 Add to Cart
USB-Bus, 1-Port RS-422/485/530 Serial Communications Module with Isolation USBS 2401-I
USB 1-Port RS-422/485/530 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte for TX/386-Byte for RX FIFO Buffer, with Isolation
USB
1 1-2 weeks  $139.00 Add to Cart
USB-Bus, 1-Port RS-422/485/530 Serial Communications Module USBS 2401
USB 1-Port RS-422/485/530 Serial Interface Module, 921.6 kbps Data Rate, 128-Byte for TX/386-Byte for RX FIFO Buffer
USB
1 2-5 days  $140.00 Add to Cart
USB-Bus RS-232 Interface Card USBS 221
USB 1-Port RS-232 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte (TX)/384-Byte (RX) FIFO Buffer, with DB-9M Connector
USB
1 1-2 weeks  $79.00 Add to Cart
 Showing 1 - 10 of 218 Products [1] 2 3 4 5 6 7 8 9 10 Next >>
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