Use this Tripp Lite 7-ft. flat patch cable to connect a fax or the modem on a computer to the RJ11 wall jack or an RJ11 jack on a surge protector with phone line protection. RJ11 male to RJ11 male.
- RJ11 male to male
- Reverse wiring for phone: 1-4, 2-3, 3-2, 4-1
- Modem, FAX or phone with an RJ11 Female port
- Telephone wall jack with an RJ11F connection