Internal Reference:
AC-SIECS4400
Sunix ECS4400 : 4x RS232 high-speed serial port ( 9pin ) Express card 34 ( for 34 or 54 slot ) , sunix Matrix UL7512EQ chipset , 32byte hardware FiFo , 921.6 Kbps , 15KV ESD protection + 15KV IEC1000-4-2 Air Gap Discharge + 8KV IEC1000-4-2 Contact Discharge - WHQL certified
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