Lucent Technologies 555-230-024 User Manual

Page of 362
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.