Perle UltraPort SI 1-port Universal 3.3v/5v Low Profile PCI RS232/422/485 w/DB9M port
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Perle UltraPort 4-port Low Profile Universal 3.3v/5v PCI RS232 921.6 Kbps (requires panel or cables)
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Perle UltraPort SI 4-port Universal 3.3v/5v Low Profile PCI RS232/422/485 (requires panel or cables)
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