... /2000/XP, XP Embedded, Linux 2,500VDC EFT Surge Protection 2,500VDC Isolation protection for RS-422/485 (PCI-1602UP) Interrupt status ... signal) These RS-232/422/485 PCI communication cards are compatible with the PCI 2.2 bus specification for universal connectivity ... .6 kbps. To increase reliability, the cards offer EFT surge protection, protecting your system from abrupt high voltages up to 2 ...