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Identifying Components
13
Mic, Line In, and Headphones Jacks
The mic, line in, and headphones jacks are physically identical, but have
different connections. They are standard 3.5 mm stereo mini-jacks.
Telephone and Line Jacks
The telephone and line jacks are physically identical and have identical
connections. They are standard RJ-11 female phone jacks. However, the
line jack is for connecting to a telephone line that comes from the wall,
and the telephone jack is for connecting the computer to a telephone.
Your computer will only have one RJ-11 female phone jack if you have a
HomePNA modem installed. The modem installed on your computer
may differ depending on the configuration you purchased.
Connector Description
Headphones 1.0 Vrms (typical).
Mic Electret condenser microphone input.
LineIn 1.0Vrms(typical),10Kohmimpedance.
✍ Accidentally plugging a phone line from the wall into the modem’s Telephone jack, and a
telephone into the Line jack, will not damage the modem card or telephone equipment.
However, the modem will not work correctly.
HEADPHONES LINE IN MIC
LINE PHONE