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