Panasonic KX-NS500 - Page 177

In the case of KX-NS520
In the event of a power failure, a specific SLT port is automatically supplied power through the CO port. The
PFT ports are the port 1-4 (on pre-installed MCSLC16) and port 1-4 (on Optional LCOT6 card) through PFT
card.
To SLT1, SLT2
To SLT3, SLT4
Optional card KX-NS5180
No.
Signal Name
81
1 TA
2 RA
3
4
Reserved
5 Reserved
CO1 Tip
6
Reserved
7 TB
8
RB
PFT1-2
Reserved
No.
Signal Name
81
1
TA
2 RA
3
4 Reserved
5 Reserved
6
Reserved
7 TB
8
RB
Reserved
CO1 Ring
CO2 Tip
CO2 Ring
Optional card KX-NS5180
No.
Signal Name
81
1
TC
2 RC
3
4 Reserved
5 Reserved
CO3 Tip
6
Reserved
7 TD
8
RD
PFT3-4
Reserved
No.
Signal Name
81
1 TC
2 RC
3
4
Reserved
5 Reserved
6
Reserved
7
TD
8
RD
Reserved
CO3 Ring
CO4 Tip
CO4 Ring
Installation Manual 177
4.12 Power Failure Connections