HP Officejet Pro L7380 All-in-One Printer - Manual (Page 120)

Shared voice/fax with computer DSL/ADSL modem
Use these instructions if your computer has a DSL/ADSL modem
1 Telephone wall jack
2 Parallel splitter
3 DSL/ADSL filter
4 Phone cord supplied with the device
5 DSL/ADSL modem
6 Computer
7 Telephone
NOTE: You will need to purchase a parallel splitter (also called a coupler). A
parallel splitter has one RJ-11 port on the front and two RJ-11 ports on the back.
Do not use a 2–line phone splitter, a serial splitter, or a parallel splitter which has
two RJ-11 ports on the front and a plug on the back.
Chapter 9
116 Configure and manage