Instruction manual

DEFINITY® Business Communications System and GuestWorks® Issue 6
Overview
555-231-208
Issue 1
April 2000
Introduction
2-12Hardware
2
■ The Expansion Port Network cabinet, which contains the following:
— Additional ports
— Interfaces to the Processor Port Network cabinet and other
Expansion Port Network cabinets
— Maintenance interface
— Components of a Center Stage Switch (optional; for G3r only).
Control, duplicated control, expansion control, port, and switch node carriers can
be installed in multicarrier Processor Port Network and Expansion Port Network
cabinets. The slots for the carriers differ based on the type of system as follows:
■ Control Carrier and Duplicated Control Carrier for G3si have nine universal
slots.
■ Control Carrier and Duplicated Control Carrier for G3r have no universal
slots.
■ Expansion Control Carrier has 19 universal slots.
■ Port Carrier has 20 universal slots.
For more detailed hardware information, see the
DEFINITY
®
ECS System
Description
.
Standard configurations
The system hardware can be configured in a variety of ways, depending on the
number of end points the switch serves and the number of circuit packs required
to connect the end points. Figure 2-6
shows the five main system configurations.