# RS-232D

(at the devices)
(at the cables)

RJ45 FEMALE CONNECTOR at the devices.
RJ45 MALE CONNECTOR at the cables.

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).

Contributor: Joakim Ögren

Source:
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Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07