Panasonic KX-NS500 Installation Manual page 147

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.
Optional card KX-NS5180
No. Signal Name
1 TA
2 RA
3 Reserved
4 Reserved
1 8
5 Reserved
Reserved
6
7 TB
8 RB
PFT1-2
No. Signal Name
1 TA
2 RA
Reserved
3
4 Reserved
1 8
5 Reserved
Reserved
6
7 TB
8 RB
To SLT3, SLT4
To SLT1, SLT2
Optional card KX-NS5180
1 8
CO1 Tip
CO1 Ring
PFT3-4
CO2 Tip
CO2 Ring
1 8
4.12 Power Failure Connections
No. Signal Name
1 TC
2 RC
3 Reserved
4 Reserved
5 Reserved
Reserved
6
7 TD
8 RD
No. Signal Name
1 TC
2 RC
Reserved
3
4 Reserved
5 Reserved
Reserved
6
7 TD
8 RD
Installation Manual
CO3 Tip
CO3 Ring
CO4 Tip
CO4 Ring
147