Panasonic Dbs 824 Instructions Manual

Cabinet installationWall-Mounting the CabinetWall-Mounting the Cabinet
Guidelines
Installation
CAUTION:1Always turn the power switch OFF before beginning installation
*The DBS 824 is shipped with the cover installed to protect components
Before wall-mounting the cabinet, remove the cover
lHandle the cabinet carefully to avoid damage
1Remove the two screws from the front cover (see Figure 3-1)
2Take the front cover off by pulling it from the bottom and lifting it up
Figure 
3-1 Cover removal
Issued 3/l...

Wall-Mounting the CabinetCabinet installation3Install two screws in the wall studs 10 7/8’ apart as shown in Figure 3 2
The screws are used to attach the mounting slots to the wall The screws
should protrude from the wall 
j/16 in
wall-mountina
4Hang the cabinet on the wall by placing the mounting openings over the
screws
5Tighten the screws to secure the cabinet.
6Install a mounting screw through the lower slot in the cabinet as shown in
Figure 3-2
3-4DES 824-l O-300Issued 3/l /95 

Cabinet InstallationGrounding
Grounding
Guidelinesl
Before grounding the DBS 824 read the “Lightning Protection/
Grounding requirements beginning on page l-4l
The ground cable must be at least 18 AWGl
Resistance to ground must be 10 Ohms or less
installation
1Attach the ground cable to the ground screw on the front of the power
SUPPlY
2Connect the ground cable to the building ground
Figure 3-3Cabinet mound screw
G rot&dScrewPower Supply
issued 
3/l/95DBS 824-l O-3003-5 

Card InstallationCabinet InstallationCard Installation
Guidelines
CAUTION:1
Before handling printed circuit cards, discharge static electricity by
grounding yourself Static electricity can damage components
Turn off the power before installing cards Installing cards with the
power on can damage components
lInstall the cards in the following order
- 208 EXP in left slot for trunks 5 and 6 and extension ports 9 to 16
208 EXP in 2nd slot from left for trunks 7 and 8 and extension ports 17
to 24 (The second...

Cabinet InstallationCard InstallationCPC and MFRU Optionsl
Before installing the CPC card determine if the DBS 824 will be used as a
KSU or PBX To use as a PBX
cut Strap 53 on the CPC Cutting this strap
allows use of pooled trunks as opposed to line appearances
Figure 3-4 CPC strap 53
I
CPC-S and CPC-Ml
Before installing a CPC-M card, determine if the optional MFRU (2
DTMF) Circuit Card is to be installed (VB-4243 1) If used, attach the
MFRU’ to the CPC Circuit Card as 
shown below
Figure 3-5 MFRll...

Card InstallationCabinet InstallationInstallation
1With the lettering on the card pointed up, position the card within the slot
guides (See Figure 3-6 
)
2Hold the card on the top and bottom edges with both hands and carefully
push the card into the slot
3When the connector at the far end of the card touches the corresponding
connector on the backplane, press the card in until it is firmly seated
Fi
3-8
DBS 824-l O-300Issued 3/l /95 

Labmet I nsrarlatronMatrefy BacKupBattery Backup
Guidelinesl
The DBS 824 uses two 1Zvolt batteries to maintain system operation
during power failures or outages The battery backup package for the DBS
824 is VB-43 130l
The backup batteries are connected in a series circuit, using cables
provided with the 
KSUl
With maximum traffic the backup batteries will last up to 40 minutes for a
fully equipped DBS 824l
The backup batteries should be replaced about every 3 years
issued 3/l /95
DBS 824-l O-3003-9 

Battery BackupCabinet InstallationInstallation
Fil
1Place one battery in the top tray of the battery compartment, the other
battery in the 
b&tom tray-
Bat
I II//l-l II
? ‘ II
rl IBattery
208208 CPC AUX
Ill I I I I I
e
I0 10I
2Connect the positive cable (red) to the + terminal of the top battery
3Connect the connecting cable (white) to the - terminal of the top battery
4Connect the connecting cable (white) from the top battery to the +
terminal on the bottom battery
5Connect the negative cable (blue) to...

Cabinet Installation
System Initialization
System Initialization1Confirm that the DBS 824 power switch is OFF
2Plug the power cord into a dedicated 120V 15 amp AC wall outlet.
Note: A surge protector should be installed on the power cord
3Set SW1 on the CPC card to RAM CLEARFigure 3 8 
CPC memnrv clear switch__. _ - _ -_ - ._.- ____., ----- - ---~Status LED
PowerSwitchCAUTION:Some early CPC cards
have RAM HOLD and
RAM CLEAR reversedCheck the silk screen
Programming
0
Power 
Supply-
4Turn the power switch...

Chapter 4. Trunks and Lines
This chapter describes trunk and line installation Some peripheral equipment
also requires 
uunk and/or line interfaces (door phones or power failure units
for example) See Chapter 5 for instructions on connecting peripheral
equipment through trunks or lines
Issued 3/l /95
DBS 824-l O-3004-l