Panasonic CPC-EX - Manual (Page 80)

Chapter 4. Trunks and Lines Section 300-Installation
4-32 DBS Manual - Revised April 2000 DBS-2.3/9.2-300
Table 4-19. Extension ports provided with each system
Extension Connector Pinouts
Tables 4-20 through 4-22 provide pinouts and color codes for extension
slots.Table 4-22 on page 4-35 provides pinouts and color codes for the
extension expansion connector.
Instructions on installing the expansion connector begin on 4-44.
System Type Extension Ports
(Not including the Expansion Connector*)
DBS 40 1-24
DBS 72 1-48
DBS 96 1-72
*Note: Extensions 65 to 72 on the DBS 96 use the EC/TRK slot, but they
do not require the extension expansion connector. If extensions 65 to 72 are
used, the trunk expansion connector cannot be used.