How do I make a console cable for SonicWall firewall appliances?
Description
The console port on the SonicWall appliance is used to access the SonicOS command line interface (CLI) via the DB-9 to RJ-45 cable.
Resolution
The pin assignments to make a console cable to work with SonicWall appliances is as follows.
RJ-45 to DB-9 serial cable pin assignments.
| RJ-45 Connector | DB-9 Connector | Signal |
| Pin 1 | Pin 9 | RI (ring indicator) |
| Pin 2 | Pin 1 | DCD (data carry detect) |
| Pin 3 | Pin 4 | DTR (data terminal ready) |
| Pin 4 | Pin 5 | GND (ground) |
| Pin 5 | Pin 2 | RXD (receive data) |
| Pin 6 | Pin 3 | TXD (transmit data) |
| Pin 7 | Pin 8 | CTS (clear to send) |
| Pin 8 | Pin 7 | RTS (request to send) |
| Pin 6 - Not used |
How to test
Launch a terminal emulation application that communicates with the serial port connected to the appliance. Use these settings.
- 115,200 baud
- 8 data bits
- no parity
- 1 stop bit
- no flow control
Press Enter/Return. Initial information is displayed followed by a device name prompt.
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