2.3 Connection
2.3.1 Outside Line Connection
Connection
1.
Insert the modular plugs of the telephone line cords (4-conductor wiring) into the modular
jacks on the system.
2.
Connect the line cord to the terminal board or the Central Office jack.
Use 4-conductor wiring cord
Notice
• Use twisted pair cable for installation.
• It is recommended to use RJ14C telephone jacks.
• Mis-connection may cause the system to operate improperly. See 3.1.1 Installation and
3.1.2 Connection.
Installation Manual
DISA
DOORPHONE
To Terminal Board or Modular
Jacks from the Central Office.
T2 R1 T1 R2
R: Ring
T: Tip
View of TEL Jack (Outside Line)
(T1, R1)
Outside Line 7, Outside Line 8
Outside Line 5, Outside Line 6
Outside Line 3, Outside Line 4
Outside Line 1, Outside Line 2
General Installation
(T2, R2)
37