Internal 16 port RS232/422/485 PCIe card Isolation Surge embedded

internal 16 port RS232 RS422 RS485 PCIe Card 3KV Isolation 4KV Surge

Internal 16 port RS232/422/485 PCIe Card 3KV Isolation 4KV Surge 15KV ESD protection Item number SERPE-T3160i Diarts designs embedded internal Serial PCI Express Card, why is ” Internal Serial Card “. As we know when use 2 or 4 or 8 or 16 ports serial RS232 RS422 RS485 Addon Card. Always needs to have a…