Panasonic KX-NS500 - If an External Relay Is Connected

1.11.2 If an External Relay is Connected
Preprogrammed extensions can switch on a relay (e.g., alarm) connected to the PBX.
To switch on the relay
Off-hook.
Enter relay number
(2 digits).
relay no.
PT/SLT/PS
C.Tone
Enter 56.
65
On-hook.
• The relay will be switched off after a specified time period.
User Manual 227
1.11.2 If an External Relay is Connected