Panasonic Dbs 824 Instructions Manual

Telephones and Peripheral EquipmentExternal Ringer (UNA Device)External Ringer (UNA Device)
Guidelinesl
An external ringer (either audible ringing or a bell, buzzer, etc ) can be
used to alert users when Universal Night Answer (UNA) calls come inl
The CPC-M supplies a relay that activates when UNA calls are present
This relay can be used to activate an external device (bell buzzer, etc 
)
Alternatively, this relay can be used to activate the audio output of an
amplifier when a UNA call is present.l
The...

External Ringer (UNA Device)
Telephones and Peripheral Equipment\
o\
Figure S-16 External ringer (UNA device) installation using an external ringing device
E
AZ (All Zones)
Zl (Zone 1)
22 (Zone 2)
23 (Zone 3)
EPA
(PAGING)
5-20DBS 824-1 O-300Issued 3/l /95 

Telephones and Peripheral EquipmentExternal Ringer (UNA Device)
Installation of External Ringer Amplifier (CPGM)1Connect the amplifier speaker output in series with the “C 1 and Ml
terminals on the CN4 Connector Panel as shown in Figure 
5-17
2Lf using a separate amplifier device from the paging system, connect CN7
“ER” connector to the amplifierIf using the same amplifier device as thepaging system connect to the EPA connector
Figure 
5 17 External ringer (UNA device) installation using the External...

Power Failure TransferTelephones and Peripheral EquipmentPower Failure Transfer
GuidelineslUp to four 
SLTs can be connected to the Power Failure Unit (PFU) (VA-43703) if a power failure occurs, the 
SLTs will automatically receive dial
tone from the central office DBS 824 features and restrictions do not apply
during a power failure when the 
SLTs are connected to the CO through the
PFUlIf a call is in progress through the PFU when the power is restored, the call
will be disconnectedInstallation
1Remove...

Telephones and Peripheral tquipmentrower t-allure i ranster
7Connect the analog ports from the SLTA to the PFUWhen a power failure occurs Analog ‘A” is switched to Trunk “A 
’Analog ‘B” is switched to Trunk “B,” and so on
8Connect a 24 volt external power source to the +24V and GND terminals
on the PFU
9Install the cover on the PFU
‘igure 5-19 Power Failure Unit (PFU) instcrlbtion
Fromthe SLTA
Ambg Extension Port No
c
Am&g Extension Port NoAnalog Extension Port No
Analog Extension Port No
TO
TRKPort No...

Voice Announce Unit (VAU)Telephones and Peripheral EquipmentVoice Announce Unit (VAU)
GuidelineslOperating temperatures for the Voice Announce Unit (VB-43708) should
be between 35 and 
105’ F
lMaximum loop resistance for the VAU is 10 Ohms
lThe VAU contains a rechargeable lead-acid battery Recharging 
circuityfor the battery is included on the VAU
lThe ports used for the VAU must have all FF key assignments cleared
before voice messages and abbreviated dial numbers are programmed
Ins talla tio n
1Remove...

Telephones and Peripheral EquipmentTable 5-6
Switch settings for derCry answer timing, VAUVoice Announce Unit (VAU)
Switch Block 2 (SW2)
/ Delay Answer Timer (Switches l-3)
Timer (in seconds)
Switch
481216
202428NoAnswer
1OFF OFF OFF OFF ON ON ON ON
21 OFF OFF ON ON OFF OFF ON ON
31 OFF ON OFF ON OFF ON OFF ON
Table 5-7
Switch settings for DTMF detection timing, VAUDip Switch I 
(SWI)
DTMF Detection Timer
Switch
Function
4ON=80 nls
OFF-40 ms
Table 5-8Switch settings for wait timing between dialed digits,...

Voice Announce Unit (VAU)Telephones and Peripheral Equipment3Remove the cable punch-out plate (Figure 5 20) to make an opening for
the 
cab!e coming into the VAU
To remove the plate, cut the grooves on either side with diagonal cutters
Then bend the plate back and forth with needle-nose pliers to remove it
Figure 
5 20 Cable punch-out pIa&. Voice Announce Unitl-
L
4Mount the VAU on the wall using the three screws provided with the unit(See Figure 5-22 )
5Connect the extension cable from the DBS 824 to...

Telephones and Peripheral EquipmentVoice Announce Unit (VAU)
issued 3/l /95DBS 824-l O-3005-27 

Door Box AdaptorTelephones and Peripheral Equipment
Door Box Adaptor
GuidelineslThe Door Box Adaptor (VB-437 11) requires a door opener In addition, a
Door Box (door phone) (VA-43705) is normally used with the Door Box
Adaptor The door opener is not sold by Panasonic it can be purchased
separately from an electronics dealer
lEach Door Box and opener use one extension port
lThe following tools are required to install the Door Box Adaptor
- Phillips screwdriver
- Needle-nose pliers
- Diagonal cutters...