Panasonic CPC-EX manual Cabinet Description, DBS cabinet DBS 96 shown

Section 300-Installation Chapter 2. System Overview

Cabinet Description

Panasonic’s Digital Business System (DBS) is a hybrid telephone system that can be used as a key service unit (KSU) or a private branch exchange (PBX).

The DBS cabinet includes an AC power supply, backup batteries (optional), dedicated card slots, and a central connector panel for line and trunk connections.

Figure 2-1. The DBS cabinet (DBS 96 shown)

					C onnector Panel
			C N 11		SW 1 C N 3	C N 5 C N 4		C N 2
						C N 13	C N 14	C N 15	C N 6
					C N 12
			C N 1					C N 1
TRK1	TRK2	TRK3	EC1	EC2	EC3 EC4 EC5	EC6 EC7	EC8 EC/TRK SCC		CPC	AUX1	AUX2
											STATU S
											LED
C ard
Slots
											RAM H O LD
											RAM C LR
			Pow er Supply					Batteries
Pow er Sw itch

In addition to trunk and line connection, the connector panel is used to connect peripheral equipment such as paging speakers, external ringers, and music-on-hold/background music sources. Figure 2-2 on page 2-4shows trunk and line connections, as well as some peripheral connections. Peripheral connections are covered in detail in Chapter 5, “Peripheral Equipment.”

DBS-2.3/9.2-300 DBS Manual - Revised April 2000 2-3