Panasonic KX-NS500 Installation Manual page 159

Pin Assignments
1 8
Maximum Cabling Length of Extension Connection
The maximum length of the extension cable that connects the Main Unit to the Expansion Unit is shown below:
No. Signal Name
1 UHW+
2 UHW-
3 REFCLK+
4 FHCLK+
5 FHCLK-
6 REFCLK-
7 DHW+
8 DHW-
Function
Receive data +
Receive data -
Reference CLK +
Frame and System CLK +
Frame and System CLK -
Reference CLK -
Transmit data +
Transmit data -
Under 3 m
4.6.1 EXP-M Card (KX-NS5130)
Installation Manual 159