Panasonic KX-TD500 - Page 71

2.4.6 Cable Pin Numbers for Extension Lines
Installation 2-35
The meanings of the pin names
T: Tip D1: Data 1 P1: 3 Pair Voice
R: Ring D2: Data 2 P2: 3 Pair Voice
Cable color examples
Working pins for the various telephones or DSS consoles
The line of pin no.26: ORN-RED
orange line
red
The line of pin no.25: WHT-BLK
white line
black
Single Line Telephone DSS Console
APT
DPT without XDP DPT with XDP
T
R
D1
D2
D1
D2
D1
T
R
D2
D1
T
R
D2
T
R
Working
Not working