Dell B5465dnf Mono Laser Printer MFP - Manual (Page 115)

Choosing a fax connection
Scenario 1: Standard telephone line
Setup 1: Printer is connected to a dedicated fax line
To connect:
1 Connect one end of the telephone cable that came with the printer to the port of the printer.
2 Connect the other end of the telephone cable to an active analog wall jack.
Faxing 115