The console port is an RS-232 serial interface that uses anRJ-45 connector to connect to a management device such as a PC ora laptop. If your laptop or PC does not have a DB-9 male connectorpin and you want to connect your laptop or PC to the device, use acombination of the RJ-45 to DB-9 female adapter along with a USB toDB-9 male adapter.

Table 1 provides thepinout information for the RJ-45 to DB-9 serial port adapter.
RS232 port related links - RS232 to RS232 connect two DTE devices or computers using DB9 pin connectors. RS-232 - RS-232 connect two DTE devices or computers using DB25 pin connectors. Serial port interface serial port interface description. Serial; Crossover or 'Null Modem' vs. Straight Through Serial Cable; Crossover or 'Null Modem' vs. Straight Through Serial Cable. The RS-232 specification defines two types of serial devices, DTE and DCE. DTE normally refers to the serial port on a PC or terminal, while DCE refers to a modem or other type of communications device.
Rs232 Serial Port Pins
RS232 DB25 to DB9 converter The original pinout for RS232 was developed for a 25 pins sub D connector. Since the introduction of the smaller serial port on the IBM-AT, 9. 9 pin serial connector software - usage areas. Serial 9 pin Port in modern technologies. Learn more about RS232 pinout and how to work with serial 9 pin over netwrok.
Table 1: RJ-45 to DB-9 Serial Port Adapter Pinout Information
Pc Serial Port Pinout

RJ-45 Pin | Signal | DB-9 Pin | Signal |
---|---|---|---|
1 | RTS | 8 | CTS |
2 | DTR | 6 | DSR |
3 | TXD | 2 | RXD |
4 | GND | 5 | GND |
6 | RXD | 3 | TXD |
7 | DSR | 4 | DTR |
8 | CTS | 7 | RTS |
DB9 pinout and signals for the PC RS232 connector (COM ports and Serial ports).