Panasonic KX-TD500 System Reference Manual page 119

3.16 DID Card (KX-T96182)
DD
PUSH
"DID" is marked.
Connection of the Central Office Line
Insert the modular plug of the telephone line cord (2-conductor wiring) into the
modular jack on the DID card.
To Terminal Board or
Modular Jacks from the
Central Office (CO).
• The DID port No.4 is equipped with "H" and "L" leads as well as "A-wire"
and "B- wire".
However, please be sure to use 2-conductor wiring cord for connection.
• Make sure to connect the frame of the KX-TD500 System to the earth
ground properly to protect the unit.
KX-T96182
A B
A:A-wire
B:B-wire
View of TEL Jack (CO)
Use 2-conductor
wiring cord
2-C-41
• Insert this card into a free slot.
DID Card (KX-T96182)
DID Port No.1
DID Port No.2
DID Port No.3
DID Port No.4