Panasonic KX-T336 System Reference Manual page 114

3.12 OPX Card (KX-T96185)
"OPX" is marked.
1) Connection to private lines
Single Line Telephone
• Insert the modular plug of the Single Line Telephone Line cord (2-conductor
wiring) into the modular jack on the OPX card.
2) Connection to public lines
OPX Central
Office Line
• Insert the modular plug of the Single Line Telephone Line cord (2-conductor
wiring) into the modular jack on the OPX card.
KX-T96185
22 AWG: Under 6 miles
Use 2- conductor wiring cord
Use 2- conductor wiring cord
2-C-26
• Insert this card into a free slot.
OPX Port No.1
OPX Port No.2
OPX Port No.3
OPX Port No.4
OPX Card
OPX Card