Panasonic DBS 40, Manual

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Section
Cabinet Description
Chapter 2. System Overview
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.
2-1. The DBS cabinet 96 shown)
Card
Slots
Connector Panel
h
Power Supply
Power Switch
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 2-4 shows
trunk and line connections, as well as some peripheral connections.
Peripheral connections are covered in detail in Chapter “Peripheral
Equipment.”
DBS-70-300 DBS Manual Issued
2-3