A SERVICE OF

logo

2.3.3 Outside (CO) Line Connection
Installation 2-9
Connection
1. Insert the modular plugs of the telephone line cords
(2-conductor wiring) into the modular jacks on the system.
2. Connect the line cord to the terminal board or the modular jacks
from the Central Office jack.
POWER
To Terminal Board or Modular Jacks
from the Central Office
TR
T: Tip
R: Ring
View of TEL Jack (Outside (CO) Line)