Интерфейсы / Интерфейс RS-422
Схема цоколевки |
Вилка DB37 |
Розетка DB37 |
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 | |
Названия и функциональные назначения выводов |
№ вывода |
Обозначение |
Направление сигнала |
Описание |
1 |
GND |
 |
Shield Ground |
2 |
SRI |
 |
Signal Rate Indicator |
3 |
n/c |
|
Spare |
4 |
SD |
 |
Send Data |
5 |
ST |
 |
Send Timing |
6 |
RD |
 |
Receive Data |
7 |
RTS |
 |
Request To Send |
8 |
RR |
 |
Receiver Ready |
9 |
CTS |
 |
Clear To Send |
10 |
LL |
 |
Local Loopback |
11 |
DM |
 |
Data Modem |
12 |
TR |
 |
Terminal Ready |
13 |
RR |
 |
Receiver Ready |
14 |
RL |
 |
Remote Loopback |
15 |
IC |
 |
Incoming Call |
16 |
SF/SR |
 |
Select Frequency/Select Rate |
17 |
TT |
 |
Terminal Timing |
18 |
TM |
 |
Test Mode |
19 |
GND |
 |
Ground |
20 |
RC |
 |
Receive Twister-Pair Common |
21 |
GND |
 |
Spare Twister-Pair Return |
22 |
/SD |
 |
Send Data TPR |
23 |
GND |
 |
Send Timing TPR |
24 |
GND |
 |
Receive Timing TPR |
25 |
/RS |
 |
Request To Send TPR |
26 |
/RT |
 |
Receive Timing TPR |
27 |
/CS |
 |
Clear To Send TPR |
28 |
IS |
 |
Terminal In Service |
29 |
/DM |
 |
Data Mode TPR |
30 |
/TR |
 |
Terminal Ready TPR |
31 |
/RR |
 |
Receiver TPR |
32 |
SS |
 |
Select Standby |
33 |
SQ |
 |
Signal Quality |
34 |
NS |
 |
New Signal |
35 |
/TT |
 |
Terminal Timing TPR |
36 |
SB |
 |
Standby Indicator |
37 |
SC |
 |
Send Twister Pair Common | | Будем признательны, если заметив вкравшуюся неточность, вы сообщите нам об этом. Отправить письмо можно отсюда. |