E m b e d d e d C o n t r o l l e rA E C - 6 6 3 7Chapter 2 Hardware Installation2 - 369+5VPWR+5V10GNDGND11NC12DDC_DATAI/O+5V13HSYNCOUT14VSYNCOUT15DDC_CLKI/O+5V2.37 COM Port 1 (D-SUB 9) (CN27)1569PinPin NameSignal TypeSignal Level1DCDIN2RXIN3TXOUT±9V4DTROUT±9V5GNDGND6DSRIN7RTSOUT±9V8CTSIN9RIIN