Equinox Systems MEGAPORT Hardware Reference Manual page 50

MEGAPORT 12LD+12CS Board Telco Connector Pinouts
The wiring of the telco connectors on the MEGAPORT 12LD+12CS
board is shown in Figure 4-4. Connector A provides LD ports 1-12
and is identical to the MEGAPORT 12LD connector. Connector B
provides CS ports 13-24 and is identical to the Connector B of the
MEGAPORT 24CS connector (see Chapter 3).
Figure 4-4. MEGAPORT 12LD+12CS telco connector pinouts.
44 Equinox MEGAPORT Hardware Reference Manual