Panasonic KX-TD500 System Reference Manual page 430

3.02 SDN Button
Description
Allows an extension user to assign PDN buttons
of other extensions on DN buttons of PITS. This
assigned DN buttons are called SDN buttons.
The assignment of SDN buttons make it easier to
transfer or answer other extensions.
SDN buttons are assigned in "Extension-Station",
Type and Number.
Programming
System Programming
"Extension-Station (2/4, 3/4)",
DN Key Type and Number
Conditions
The table below shows the relationship between
the DN button and the CO line status.
Indicator
Off Idle
Lights green I-use
Green 60 wink I-hold
Green 120 wink I-exclusive hold, consultation
hold or unattended conference
Lights red Other-use, exclusive hold
Red 60 wink Other-hold
Red 120 wink Privacy release possible
Red 240 wink Incoming call
Preferential order of SDN indicators is as follows:
1. I-use, hold, exclusive hold, consultation
hold, unattended conference : Lights green,
Green 60 wink, Green 120 wink
2. Incoming call : Red 240 wink
3. Other-hold : Red 60 wink
4. Privacy Release : Red 120 wink
5. Busy : Lights red
6. Idle : Off
Reference
VT Dumb
10-G-1.02 11-C-26.00
10-G-1.03
CO Line Status
4-B-6