PCA-6773 User’s Manual 106
C.15 Extension Panel Connector (CN11)
C.16 COM 1, 2 Connector (CN21, CN20)
Table C.15: Extension Panel Connector (CN11)
Pin Signal Pin Signal
1 GND 2 GND
3 PD24 signal output 4 PD25 signal output
5 PD26 signal output 6 PD27 signal output
7 PD28 signal output 8 PD29 signal output
9 PD30 signal output 10 PD31 signal output
11 PD32 signal output 12 PD33 signal output
13 PD34 signal output 14 PD35 signal output
15 GND 16 GND
17 NC 18 NC
19 NC 20 NC
Table C.16: COM connector (CN 21, CN20)
COM1 connector (CN21) COM2 connector (CN20)
Pin Signal Pin Signal Pin Signal Pin Signal
1DCD 6DSR 1DCD 2DSR
2 RX 7 RTS 3 SIN 4 RTS
3 TX 8 CTS 5 SOUT 6 CTS
4DTR 9RI 7DTR- 8RI
5 GND 9 GND 10 N.C.
11 TXD485+ 12 TXD485-
13 RXD485+ 14 RXD485-
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