Chapter 2 – Hardware Information21Fanless Embedded Box PC BOXER-6651PC13 +3.3V PWR +3.3VPC14 +3.3V PWR +3.3VPC15 GND GNDPC16 GND GNDPC17 NC2.4.9 COM Port 6 (Wafer Box, Optional) (CN10)Pin Pin Name Signal Type Signal level1 DCD6 IN2 DSR6 IN3 RX6 IN4 RTS6 OUT ± 9V5 TX6 OUT ± 9V6 CTS6 IN7 DTR6 OUT ± 9V8 RI6 IN9 GND GND*Signals for CN10 and CN2 are the sameDCDDSRRXRTSTXCTSDTRRIGND