Hardware pinouts information and cables schemes

RS-232D pinout

serial interface

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8 pin RJ45 (8P8C) female connector layout
8 pin RJ45 (8P8C) female connector
at the devices

Pin Name Dir Description
1 DSR/RI <-- Data Set Ready / Ring Indicator
2 CD <-- Carrier Detect
3 DTR --> Data Terminal Ready
4 GND --- System Ground
5 RXD <-- Receive Data
6 TXD --> Transmit Data
7 CTS <-- Clear to Send
8 RTS --> Request to Send
Note: Direction is DTE (Computer) relative DCE (Modem).
See also RS-232 (EIA-232) serial interface

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8 pin RJ45 (8P8C) male connector layout
8 pin RJ45 (8P8C) male connector
at the cables
Pinouts.ru > RS-232 and other serial ports and interfaces pinouts listing > Pinout of RS-232D and layout of 8 pin RJ45 (8P8C) female connector and 8 pin RJ45 (8P8C) male connector
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