Panasonic Dbs 824 Instructions Manual

CleaningRequirements
not install under overhead plumbing, sprinkler system valves, or in areas that
are susceptible to flooding
Lighting: Sufficient lighting is required for testing and maintenance
Lightning Protection/Grounding: The system must be properly grounded to
protect from lightning damage The following 
UL conditions must be met to
ensure proper grounding (For grounding instructions, see page 3-5 )
lSupplemental and independent equipment grounding conductors are to be
installed between the...

Chapter 2. System Overview
This chapter provides an overview of the DBS 824 This overvieu includes
descriptions of the DBS 824 cabinet, system configurations, printed circuit
cards, and the call processor
Issued 3/l/95DBS824-10-3002-1 

2-2
DBS 824-l O-300Issued 3/l /95 

System OverviewCabinet DescriptionCabinet DescriptionPanasonic s DBS 824 is a hybrid telephone system that can be used as a key
service unit 
(MU) or a private branch exchange (PBX)
The DBS 824 cabinet includes an AC power supply, dedicated card slots, and
backplane connectors with line and trunk connections Backup batteries are
optional
Fkure 2 I The DBS 824 cabinet
PowerSwitch
Power SuStatus LED
Battery
Slot 2
CAUTIONSome early CPC cards
have RAM HOLD and
RAM CLEAR reversed
Check the silk screen
RAM...

Cabinet Description
System OverviewFimre 22Trunk. line. and oerbheral connections
Trunks 1 & 2\OPL Ports 1 & 2Trunks 3 & 4
Extension Ports 1 24
M
USIC On Hold input (CPC M Only)
External Ringer Output (CPC M Only)
Background Music/Music On Hold Input
External Page 
Ampltfier Outout
External Page Zones/ External Ringer
Relay Controls (CPC M Only)
Trunks 7 
& 8 (CPC M Only)
Configurations
The basic DBS 824 supports 4 trunks and 8 extensions Systems may be
expanded up to a total of 8 trunks and 24...

System OverviewPrinted Circuit CardsPrinted Circuit CardsThe following table describes the printed circuit cards that can be used with
the DBS 824 Also included are brief descriptions of each card and the
maximum number that can be installed in each cabinet
Table 2 1 Printed circuit card descriptions and maximums
CardMountingCard Type Designation
Card DescriptionPositionComments
Expansion208 EXP (vJ32 loop trunks 8 port extension208 Slot1 max with CPC S
Card4265 1)2 max with CPC M
ProcessorCPC S...

Printed Circuit CardsSystem OverviewFigure2-3 SlotLabelsformintedcircuit0ackaPes
Processor Description
The Call Processor Card (CPC) controls the DBS 824 call-processing with
two versions available The CPC-S (Small) (VB-42450) supports a limited set
of features The CPC-M (Medium) (VB-42451) supports a larger set of
features
The following table shows same of the major CPC-S and CPC-M differences 

System OverviewPrinted Circuit CardsTable 2 2 Major CPC S and CPC M feature differences
CPC
CPC sFeatures90 System Speed Dials
10 Personal Speed Dials per phone
Common Music On Hold 
and Background Music Inputs
External Page Audio Output
External Ringer Aidio Output
Auto Busy Redial
CPC M
8 Circuit MFR Card (VB-43431) Support
All CPC S Features
Up to 200 System Speed Dials
Up to 40 Personal Speed Dials per phone
2 Circuit MFR Card (VB 42431) Support with Intenal Music On Hold
Separate Background-Music...

Chapter 3. Cabinet Installation
This chapter explains how to install and power up the cabinet Before you
begin installation, be sure to read the “Requirements” chapter which begins
on page l-l
lssuedbN95DBS 824-10-300
-
3-1 

3-2DBS 824-10-300Issued 3/l/95