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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
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RS-232 Ports
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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   
ISA 2-Port RS-232/422/485 Serial Interface Card with Current Loop BLS AN12S
ISA 2-Port RS-232/422/485 Interface Card, 115.2 kbps Data Rate, 16-Byte FIFO Buffer, with 2 DB-9M Connectors, Current Loop
ISA (16-bit, AT)
2 1-2 weeks  $169.00 Add to Cart
ISA 1-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with DB-25M Connector COMH 3055-E
ISA 1-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with DB-25M Connector
ISA (16-bit, AT)
1 Call  $169.00 Add to Cart
USB to 4-Port RS-422/485 Module, Front View USBS 1404 This item is on sale
USB 4-Port RS-422/485 Serial Interface Module, 230.4 kbps Data Rate, 16-Byte FIFO Buffer
USB
4 Same Day  $229.00
 $172.00
Add to Cart
1-Port PCI RS-422/485 Serial Interface Card with Low-Profile Backplate CYBM 1422U
PCI 1-Port RS-422/485 Serial Interface Card, 921.6 kbps Data Rate, 64-Byte FIFO Buffer, with 1 DB-9M Connector
PCI (32-bit,
universal keyed)
1 1-2 weeks  $175.00 Add to Cart
Universal PCI 1-Port RS-232 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with 1 DB-9M Connector CYB 1232LU
Universal PCI 1-Port RS-232 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with 1 DB-9M Connector
PCI (32-bit,
universal keyed)
1 1-2 weeks  $175.00 Add to Cart
Universal Low Profile PCI 2-Port RS-232 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, 2 DB-9M and LPT Ports CYBM 2232PLU 
Universal Low Profile PCI 2-Port RS-232 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, 2 DB-9M and LPT Ports
PCI (32-bit,
universal 3.3V & 5V
keyed)
2 Call  $175.00 Add to Cart
DIN-Mountable Industrial 10/100 Ethernet Switch Module with 8 RJ-45 Connectors ESW 208P
8-Port Industrial 10/100 Ethernet Switch Module, 8 RJ-45 Connectors, DIN-Mountable
Ethernet
8 2+ weeks  $175.00 Add to Cart
USB to 2-Port RS-232 Module with Surge Protection
(4-port model shown) USBS 1202A-S
USB 2-Port RS-232 Serial Interface Module, 115.2 kbps Data Rate, 1024-Byte FIFO Buffer, Surge Protection
USB 2.0
2 Call  $179.00 Add to Cart
ISA 2-Port RS-232/422/485 Serial Interface Card with Current Loop and Parallel Port BLS AN12S1P
ISA 2-Port RS-232/422/485 Interface Card, 115.2 kbps Data Rate, 16-Byte FIFO Buffer, with 2 DB-9M Connectors, Current Loop and Parallel Port
ISA (16-bit, AT)
2 Call  $179.00 Add to Cart
PCI 4-Port RS-232 Serial Interface Card, 920 kbps Data Rate, 16-Byte FIFO Buffer, with 4 DB-9M Connectors and 1 Parallel Port BPS 2324S1P 
PCI 4-Port RS-232 Serial Interface Card, 920 kbps Data Rate, 16-Byte FIFO Buffer, with 4 DB-9M Connectors and 1 Parallel Port
PCI (32-bit, 5V
keyed)
4 2+ weeks  $179.00 Add to Cart
 Showing 71 - 80 of 224 Products Prev 1 2 3 4 5 6 7 [8] 9 10 Next >>
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