Instruction manual

Media Servers

DEFINITY Server SI

May 2003

Single-Carrier Cabinets Up to three Single-Carrier Cabinets (SCC1) can be stacked to form

a single PN. Refer to the following figure.

Single-Carrier Cabinets come in any of four configurations:

• A basic control cabinet that contains a TN2404 processor, tone clock, and a power

converter

• An expansion control cabinet that contains additional port circuit packs, interfaces to the

PPN, a maintenance interface, and a power converter

• A duplicated control cabinet that contains the same equipment as the basic control

cabinet

• A port cabinet that contains port circuit packs and a power converter

Typical Single-Carrier Cabinet (SCC1)

Multi-Carrier Cabinets A Multi-Carrier Cabinet (MCC1) is a 70 in. (178 cm) cabinet that has

up to five carriers. See the following figure for an example of an MCC1. The following are the

three types of Multi-Carrier Cabinets:

• A PPN cabinet that contains the ports, SPE, an interface to an EPN cabinet, and/or a

CSS.

• An EPN cabinet that contains additional ports, interfaces to the PPN and other EPN

cabinets, the maintenance interface, optional interfaces to other EPN cabinets, a switch

node (in an SN in a CSS-connected system), or an ATM switch.

• An Auxiliary cabinet that contains that is equipment used for optional, system-related

hardware, such as rack-mount equipment.

Air circulatio

vents

scdf001 KLC 0605

Circuit packs

Power

converter