
Control Panel PCB Layout
Connections & Controls
The main PCB has the following "Jumper Plugs" (JP), indicator LEDS and terminal
connections:
TRIG POLARITY (JP1) - This jumper-link sets the signal polarity for the auxiliary speech
dialler trigger inputs. The inputs may be either +ve applied to
trigger or -ve applied to trigger.
SPEAKER (JP2) - The internal loudspeaker has a 2-way connector which plugs
directly on to this set of pins.
FACTORY RESET
(JP3)
- All program data (Not messages) is stored in a Non-Volatile
Memory chip (NVM). If the Factory Reset pins are shorted during
power-up all stored system parameters are over written with the
factory default settings. The engineer passcode is reset to 1234
and the User 1 passcode is set to 5678.
TRIG
POLARITY
F
ACT
OR
Y
REST
AR
T
VR1
EXT. VOLUME
TRIGGER
A
P
F
INT. VOLUME
SPEAKER
A
B
BC
A.C.
ALM
-
RST
-
TRG
-
STB
-
+ H/O -
TMP
-
AUX
T
AMPER
L/S
-
AUX 12V
+ -
P
.A.
ZONE 5
FIRE
ZONE 4
K'SW
ZONE 3
ACCESS
ZONE 2
ACCESS
ZONE 1
F/EXIT
AuxiliaryDialler
Trigger Inputs
(S.E.L.V Circuit)
RemoteKeypad
Interfacesocket
(S.E.L.VCircuit)
Microphone
TactileRubber Keypad
TelephoneLine
ConnectionTerminals
(T.N.V Circuit)
Internal Volume Control
Connectionto
Internal Speaker
ExtensionSpeakerVolumeControlAuxiliaryTrigger Input
Polarity Selector
FactoryRestartPins
BellFuse(1 Amp)
Aux 12VFuse
(1Amp)
FlyingLeads
to T ransformer
Tamper Switch
Zone
Connections
(S.E.L.V Circuit)
1 2 3
4 5 6
7 8 9
HOME 0 AWAY
JP2
-
+
JP1
JP3
VR2
EXTERNAL BELL
16CharacterLCD Display
Figure 2 TSD402 PCB Layout
TSD402 Installation Manual System Installation
11
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