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4 COM ports for APAX controller with PCI express interface
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COM 1, COM 2 : RS-232/422/485
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COM 3, COM 4 : RS-232/422/485
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Baud Rate : 50 bps ~ 230.4 kbps
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15 kV ESD protection
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2500 VDC EFT protection
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2500 VDC isolation protection (between COM ports and backplane)