IEI Integration PCISA-PV-D4251_N4551_D5251 User Manual
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PCISA-PV-D4251/N4551/D5251 CPU Card
Page v
3.2.16 RS-232 Serial Port Connectors (COM1, COM3 and COM4 ) ...................... 32
3.2.17 RS-232/422/485 Serial Port Connector (COM2) .......................................... 33
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