UOTEK Industrial Grade PCI to RS-485 RS-422 Serial Card RS485 RS422 4 Ports High Speed DR44 Expansion Converter UT-724A-I. ● Connector: DR44 female x1. UT-724A-I PCI multiport serial adapter with optoelectronic isolation is compatible with RS-422/485 standard; it converts PCI signal to balanced differential RS-422/485 signal.
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