Panasonic KX-TD500 System Reference Manual page 335

Programming (1) Basic Programming
Always required to make use of tie lines regardless of the
type of applications.
System Programming
"Configuration — Slot Assignment"
"Configuration — Channel
Assignment"
"Group — Trunk Group (1/3)",
Type
"Trunk— CO Line", Trunk Group
"World Select 1 (WS1)",
Flash Detect (TIE)
Answer Decision Timer
(2) Timer programming
System Programming
"System-System Timer",
TIE Interdigit Time-Out
(3) Application programming
Programming items required vary depending on the type of
application. Refer to Section 3-F-14.01 through 14.04 for
further information about each application programming.
Reference
VT
10-C-2.00
10-C-4.00
10-E-1.01
10-F-1.00
—
Reference
VT
10-D-3.00
3-F-75
Dumb
11-C-2.00
11-C-56.01
11-C-15.00
11-C-20.00
11-C-43.00
Dumb
11-C-6.00