Panasonic KX-TD500 - Manual (Page 13)

Configuration
Programming Guide 13
1.4 Extension Port Assignment
Used to set various parameters for extension ports.
XDP extensions are on ports 9 through 16 of a DHLC card.
Parameter Card No.
Default —
Value Range XXX : YYY [XXX : Card No. (101-314), YYY : Card Type]
Description/Function Specifies the physical number of the extension card and its type,
which you are going to programme.
Reference • 1.2 Slot Assignment (P/G)