Reconnecting to the Local Loop
"Procedure
1.Feed new jumper wiring through the POTS splitter rubber grommet. Remove the insulation at the end of the wiring.
2.On the left side labeled LINE, attach red to terminal screw P1 and green to terminal screw P2. Tighten both terminal screws with a
POTS Splitter
LINE PHONE
P1 P2 P3 P4
Red 
Green
New Wiring from
Punchdown
Block or NID
Red
Green
To 
Telephone
7