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Full-Size CPU Card SBC- 780
Chapter 2 Quick Installation Guide
2 - 17
2.20 LPT Port Connector(CN10)
Pin
Signal Pin
Signal
1 #STROBE 2 #AFD
3 DATA0 4 #ERROR
5 DATA1 6 #INIT
7 DATA2 8 #SLIN
9 DATA3 10 GND
11 DATA4 12 GND
13 DATA5 14 GND
15 DATA6 16 GND
17 DATA7 18 GND
19 #ACK 20 GND
21 BUSY 22 GND
23 PE 24 GND
25 SELECT 26 N.C
2.21 COM2 RS-232/422/485 Serial Port Connector(CN11)
Pin
Signal Pin Signal
1 DCD (422TXD-/485DATA-) 2 RXD(422RXD+)
3 TXD(422TXD+/485DATA+) 4 DTR(422RXD-)
5 GND 6 DSR
7 RTS 8 CTS
9 RI/+12V 10 N.C