Introduction
555-230-024
1-12 Issue 5 January 1998
■ The Expansion Port Network cabinet, which contains:
— Additional ports
— Interfaces to the Processor Port Network cabinet and other
Expansion Port Network cabinets
— Maintenance interface
— Components of a Center Stage Switch (optional)
■ The auxiliary cabinet, which contains equipment used for optional
system-related hardware
Control, duplicated control, expansion control, port, and switch node carriers can
be installed in multicarrier Processor Port Network and Expansion Port Network
cabinets. (See the descriptions of these carriers in the previous section "Sin-
gle-Carrier Cabinets".)
For more detailed hardware information, see the
DEFINITY ECS Release 6 Sys-
tem Description Pocket Reference, Issue 2,
555-230-211.
Standard Configurations
The DEFINITY ECS hardware can be configured in a variety of ways, depending
on the number of endpoints the switch serves and the number of circuit packs
required to connect the endpoints.
Figure 1-7 shows the five main system configurations.