Com (25-контактов)

На компьютере COM порт выглядит так: Serial PC 25 com port распайка распиновка

# Название Направление Описание
1 SHIELD Shield Ground
2 TXD >> Transmit Data
3 RXD << Receive Data
4 RTS >> Request to Send
5 CTS << Clear to Send
6 DSR << Data Set Ready
7 GND System Ground
8 CD << Carrier Detect
9 n/c
10 n/c
11 n/c
12 n/c
13 n/c
14 n/c
15 n/c
16 n/c
17 n/c
18 n/c
19 n/c
20 DTR >> Data Terminal Ready
21 n/c
22 RI << Ring Indicator
23 n/c
24 n/c
25 n/c

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