NatComm Speaker Switching Unit User manual
Speaker Switching Unit
User Guide
For Technical Assistance
Please Phone: (07) 5596 5128
Page 2 National Communications
PRODUCT DESCRIPTION
The SPEAKER SWITCHING UNIT (SSU) accessory, is designed to
operate with the MULTIPLE INPUT UNIT (MIU) and the TALKING
DISPLAYUNIT (TDU).
This configuration will allow up to 12 separate (4 or 8 ohm) speakers, in
conjunction with up to 12 separate sensors to be connected to the one
Talking Display Unit (TDU).
This complete system then provides for up to 12 independent and
separate “zones” each with its own message and local speaker.
This means that :
Sensor 1 when triggered will cause Message 1 to play on speaker 1
Sensor 2 when triggered will cause Message 2 to play on speaker 2
Sensor 3 when triggered will cause Message 3 to play on speaker 3
Sensor 4 when triggered will cause Message 4 to play on speaker 4
Sensor 5 when triggered will cause Message 5 to play on speaker 5
Sensor 6 when triggered will cause Message 6 to play on speaker 6
Sensor 7 when triggered will cause Message 7 to play on speaker 7
Sensor 8 when triggered will cause Message 8 to play on speaker 8
Sensor 9 when triggered will cause Message 9 to play on speaker 9
Sensor 10 when triggered will cause Message 10 to play on speaker 10
Sensor 11 when triggered will cause Message 11 to play on speaker 11
Sensor 12 when triggered will cause Message 12 to play on speaker 12
National Communications Page 3
PRODUCT DESCRIPTION
The SSU also allows for a primary audio feed, if connected, that will be
supplied to all speakers at all times.
ThisprimaryaudiofeedwillthenbereplacedbytheTDUmessage,only
ontheappropriatespeaker,whenevertheTDUistriggered.Theprimary
audio feed is then reconnected at the end of the TDU message.
Speakerscanbelocatedupto100mfromtheTDUunit,orgreaterthan100m
from the TDU if low resistance wiring is used.
The remote speakers connect to the SSU via a female 25 pin D type
connector. Each speaker has been allocated a specific pin position (see
page6).
Thisequipmentsupportsunpowered4ohmspeakersupto5wattsor8ohm
speakers up to 2.5 watts. Alternatively, powered speakers, or an external
amplifiercanbeusedforgreatervolumeoutput.
Power for the SSU and communication between the SSU and the TDU is
achievedviaasupplied6wiretelephonecable,whichconnectstoanRJ11
format 6 position communications port.
The SSU has 2 identical communications ports that provide for power and
communicationbetween theSSU, theTDU andother TDUaccessories, in
aDAISYCHAINfashion.
Itdoesnotmatterwhichofthe identicalcommunicationsportsareusedfor
input or output. A single 6 wire telephone cable is supplied with all TDU
accessories. There is no need for any other external connections.
TheSPEAKER SWITCHINGUNIT (SSU)accessory is availablein 3separate
configurations :
SSU-4 - 4 Speaker output unit for the Talking Display Unit
SSU-8 - 8 Speaker output unit for the Talking Display Unit
SSU-12 - 12 Speaker output unit for the Talking Display Unit
Page 4 National Communications
INSTALLATION
COMMUNICATION
Communication between the SPEAKER SWITCHING UNIT (SSU), the
TALKINGDISPLAYUNIT(TDU)andtheMULTIPLEINPUTUNIT(MIU)is
achievedvia a standard6 wire telephonecable.
A short 6 wire telephone cable is supplied with the SSU and the MIU.
This can be substituted if necessary with any 6 wire cable with a length
up to 100m.
POWER
PowerfortheSSUandtheMIUissuppliedfromtheTALKINGDISPLAY
UNIT(TDU) via the same6 wire cable.
INSTALLATIONPROCEDURE
1) Using a 6 wire telephone cable, connect Communications Port 1 of
the SPEAKER SWITCHING UNIT (SSU) to the Sensor Input port of the
TALKING DISPLAYUNIT (TDU).
2) Using another 6 wire telephone cable, connect Communications Port
2 of the SPEAKER SWITCHING UNIT (SSU) to the Communications
Port of the MULTIPLE INPUT UNIT (MIU).
3) Connect a separate 12VAC or 12VDC (minimum of 300mA- polarity
independent) power source to the power adaptor jack of the MULTIPLE
INPUT UNIT (MIU).
This additional power input for the MIU is required to prevent the
possibility of ‘brown out’ when the SPEAKER SWITCHING UNIT and
MULTIPLEINPUT UNIT areusedin the sameapplication.
4)Solderthe connectionsforyour Speakerstothesupplied MaleDB25
connector, as per the table on page 6.
A separate male DB25 connector, with exposed terminals is supplied
withthis unittoallow directsolder connectionof cablesleadingto each
speaker.
National Communications Page 5
INSTALLATION
Eachspeaker hasbeenallocated twospecificpinpositionsandshould
be connected to the DB25 connector as per the diagram and table on
page 6.
Speakerscan be located upto 100m fromthe SSU unit, orgreater than
100m from the SSU if low resistance wiring is used.
5) Connect the male DB25 connector (above) to the female DB25
connector fitted to the SPEAKER SWITCHING UNIT (SSU).
6)Usingthe3.5mmto3.5mmAudiocablethatissuppliedwiththeSSU,
connecttheAUDIOoutputfromtheTDUintotheAUDIOINPUT1portof
the SSU.
7) The SSU also allows for a primary audio feed, if connected, that will
be supplied to all speakers at all times.
ThisprimaryaudiofeedwillthenbereplacedbytheTDUmessage,only
ontheappropriate speaker,whenevertheTDU istriggered.
The primary audio feed is then reconnected at the end of the TDU
message.
The primary audio feed connects to the AUDIO INPUT 2 port.
8)InstalltheTALKINGDISPLAYUNIT(TDU)andtheMULTIPLEINPUT
UNIT (MIU) as per the separate instructions supplied with each unit.
9)AdjusttheAudioVolumeoutputoftheTALKINGDISPLAYUNIT(TDU)
torequirements.
10) Adjust the Audio Volume output of the primary audio feed (if used)
torequirements.
11)CompleteconnectionandsetupoftheMIUunitandTDUunitasper
the instructions within the User Guide supplied with each of these
devices.
12) Test your system by triggering each switch connected to the MIU
unit.
Page 6 National Communications
DB25 PIN OUT DIAGRAM
1niP desUtoN
2niP +21rekaepS 41niP -21rekaepS
3niP +11rekaepS 51niP -11rekaepS
4niP +01rekaepS 61niP -01rekaepS
5niP +9rekaepS 71niP -9rekaepS
6niP +8rekaepS 81niP -8rekaepS
7niP +7rekaepS 91niP -7rekaepS
8niP +6rekaepS 02niP -6rekaepS
9niP +5rekaepS 12niP -5rekaepS
01niP +4rekaepS 22niP -4rekaepS
11niP +3rekaepS 32niP -3rekaepS
21niP +2rekaepS 42niP -2rekaepS
31niP +1rekaepS 52niP -1rekaepS
DB25 PIN OUT TABLE
National Communications Page 7
NOTES
Page 8 National Communications
SPECIFICATIONS
Dimensions (all in mm) :106 (W) x 106 (D) x 43 (H)
Weight :220g
AudioInput Port 1 :3.5mmMonoAudio Plug
AudioInput Port 2 :3.5mmMonoAudio Plug
CommunicationsPort 1 :RJ 11 6 pin
CommunicationsPort 2 :RJ 11 6 pin
MultipleSpeakerOutput Port :DB25Female
C-Tickcompliance :SupplierNumber N782
WARRANTY
This device is guaranteed against defects from workmanship for a period
of two years (24 months) from the date of purchase.
In the event of failure, you should return the product, along with proof of
purchase date, and a written statement about the nature of the problem.
The obligation is solely to repair or replace the product. The warrantor
is not liable for any incidental or consequential damages due to such
defects.
This Warranty shall not apply to any unit which has been subject to
alteration, modification, abuse, negligence, accident, external voltage/
lightning surge or used in any manner contrary to these instructions.
The user is responsible for freight costs to the repair point. The warrantor
will be responsible for freight costs in returning this unit back to the
user.
Damage caused to this device or attached equipment, by lightning strikes
or over voltage surge is not covered under this warranty.
CASE SEALED AT FACTORY
OPENING THE CASE VOIDS THE WARRANTY
This manual suits for next models
3
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