Chapter 2. System Overview; Cabinet Description; Figure 2-1 The Dbs 576 Base Cabinet - Panasonic DBS 576 Technical Manual

Chapter 2. System Overview

This chapter provides an overview of the DBS 576. This overview includes
descriptions of system configurations and unit cards.

Cabinet Description

Panasonic's DBS 576 is a hybrid telephone system capable of supporting up to 576
ports.
The DBS 576 cabinet includes the following:
Figure 2-1. The DBS 576 Base Cabinet
Peripherals such as paging speakers, external music-on-hold sources, background
music sources, PCs, printers, and SMDR connect to the unit cards.
Figure 2-2 shows the trunk and extension line connections as well as some peripheral
connections. Trunk and extension line connections are covered in detail in Chapter 5.
Peripheral connections are covered in detail in Chapter 6.
576-13-300
• Power unit
• Card slots
• Unit cards (optional)
• Backup battery (VB-44025) (optional)
• Switch box (VB-44023) (One required per base cabinet with one or more
expansion cabinets attached)
• -48V Power Supply (VB-44022) (optional) (when one or more Ground
Start, DID or E&M cards are installed in this cabinet)
DBS 576 (USA), issued 6/2/98 2-1