
6
Advant Controller 31 / Issued: 07.99
Hardware 07 KP 93 R1161
8 .3
1.3.4 Serial interfaces COM3 and COM4: Pin assignment
Interface standard: EIA RS-232, EIA RS-422, EIA RS-485
G Housing Protective Ground (Shield)
1 PGND Protective Ground (Shield)
2 TxD Transmit Data (Output) (EIA RS–232)
3 RxD Receive Data (Input) (EIA RS–232)
4 RTS Request To Send (Output) (EIA RS–232)
5 CTS Clear To Send (Input) (EIA RS–232)
6 not used
7 SGND Signal Ground (0V) (EIA RS–232)
8 not used
9 not used
10 TxD-P/RxD-P Transmit Data / Receive Data (EIA RS–485)
11 TxD-N/RxD-N Transmit Data / Receive Data (EIA RS–485)
12 not used
13 not used
14 not used
15 not used
Fig. 7: Pin assignment of the serial interfaces COM3 and COM4
5
COM3
G
9
15
8
1
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