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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.)  
  220 of 220 products meet your criteria. Show more options
Bus
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EIA-530 Ports
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 220 of 220 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   
PCMCIA-Bus 2-Port RS-232 Serial Communications Card (1-port version shown) CYB 2232C
Type II PC Card (PCMCIA) 2-Port RS-232 Serial Interface Card, 921.6 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors
PCMCIA PC Card
2 Same Day  $225.00 Add to Cart
PCMCIA-Bus 2-Port RS-422/485 Serial Communications Card CYB 2422C
Type II PC Card (PCMCIA) 2-Port RS-422/485 Serial Interface Card, 921.6 kbps Data Rate, 128-Byte FIFO, with 2 DB-9M Connectors on Included Cable
PCMCIA PC Card
2 Call  $375.00 Add to Cart
ISA 2-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors COMH 3089-E
ISA 2-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors
ISA (16-bit, AT)
2 Call  $259.00 Add to Cart
ISA 2-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 16-Byte FIFO Buffer, with 2 DB-9M Connectors and 500VDC Isolation COMH 3189
ISA 2-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 16-Byte FIFO Buffer, with 2 DB-9M Connectors and 500VDC Isolation
ISA (16-bit, AT)
2 2+ weeks  $289.00 Add to Cart
ISA 2-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors and 500VDC Isolation COMH 3189-E
ISA 2-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 128-Byte FIFO Buffer, with 2 DB-9M Connectors and 500VDC Isolation
ISA (16-bit, AT)
2 2+ weeks  $329.00 Add to Cart
ISA Serial Interface Card with 4 RS-422/485 Ports & 4 DB-9M Connectors on Included Cable COMH 3440
ISA 4-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 16-Byte FIFO Buffer, with 4 DB-9M Connectors on Included Cable
ISA (16-bit, AT)
4 Call  $319.00 Add to Cart
ISA Serial Interface Card with 4 RS-422/485 Ports & 4 DB-9M Connectors on Included Cable COMH 3440-E
ISA 4-Port RS-422/485 Serial Interface Card, 460.8 kbps Data Rate, 128-Byte FIFO Buffer, with 4 DB-9M Connectors on Included Cable
ISA (16-bit, AT)
4 1-2 weeks  $399.00 Add to Cart
ISA-Bus 4-Port RS-422/485 Serial Communications Card, 115.2 kbps Data Rate, 16-Byte FIFO Buffer COMH 131 This item is on sale
ISA 4-Port RS-422/485 Serial Interface Card, 115.2 kbps Data Rate, 16-Byte FIFO Buffer, with 4 DB-9M Connectors
ISA (16-bit, AT)
4 Same Day  $269.00 Add to Cart
ISA 2-Port RS-422/485/530 Serial Adapter, 1.8 Mbps Data Rate, with 2 DB-25M Connectors COMH 4111
ISA 2-Port RS-422/485/530 Serial Adapter, 1.8 Mbps Data Rate, with 2 DB-25M Connectors
ISA (16-bit, AT)
2 2+ weeks  $419.00 Add to Cart
4-Port RS-232 Serial Interface Card COMH 104 This item is on sale
4-Port RS-232 Serial Interface Card
PCI (32-bit, 5V
keyed)
4 Same Day  $595.00 Add to Cart
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