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In order to simplify security system programming, GSV4 is supplied to customers 
with a pre-installed default template. It has 1 pre-programmed partition and 6 zones:
Zones:

  Z1 is preset to be used with an entry door magnetic contact;
  Z2 – with PIR motion detector in an entry/exit   path;
  Z3, Z4, Z5 –   for PIR detectors wiring;
 Z6 

– key-switch zone to arm/disarm and clear the alarm.

PGM outputs:

  +BELL is preset in the template to control a siren with no battery;
  -PGM1  is preset to make an activation (makes “minus”) of a siren with back-up 

battery;

 -PGM2 is preset to indicate system status (armed/disarmed).

Template. Siren output programming

SECOLINK security system GSV4 may have different templates for different 
countries. Check GSV4 sticker for country’s prefix or a pre-installed template code.   
Example:  GSV4_MY 

Note:

 In most templates, +BELL is set for sirens with no 

battery (picture 2). To use the siren with back-up battery 
(picture 3) you need to BELL definition to 

Power 

supply

. Definition changing in software MASCAD is shown 

on the right.

Note:

 If an installation of a siren with back-up battery is done 

using 2 wires (picture 4), then an installer needs to make 
changes as shown to the right. This type of siren uses a back-
up battery to sound an alarm and makes alarm when power 
supply line (+BELL) does not provide power from GSV4. Use 

Inversion of Status

 PGM attribute to program the system for 

this operation.

B

A

T

S

+BELL

COM

power supply

positive control / power supply

A

C

2

0

V

+

B

E

L

L

C

O

M

-P

G

M

1

Note:

 Check siren wiring manual from manufacturer.  

Switches or jumpers can be used to set up this type of a 
siren.

Picture 4.

 Installation of a siren with back-up battery using 2 wires

12V batery

7Ah/20HR

Black

Red

Zones (see 

Wiring of zones

)

COM
+BELL

-PGM1

-PGM2

Intruder  alarm  system

Installation of GSV4

GSV4

+

A

U

X

C

O

M

A

C

B

A

T

-P

G

M

1

-P

G

M

2

2

0

V

C

O

M

Z

1

SYSTEM LED

MODEM LED

Z

2

Z

3

Z

4

Z

5

X1

Z

6

USB

S1

S2

+

B

E

L

L

For correct operation GSV4 needs one 12V 
7Ah rechargeable battery. The battery is used 
as a back-up power supply in case of a 
temporary AC loss. This battery is also used 
when an alarm system consumes more power 
than GSV4 can supply (~0,7 A). Excessive 
consumption may happen when the system 
activates a siren. Usually activation lasts only a 
few minutes, so it does not   discharge the 
battery.

GSV4

Power supply 

distribution board

AC power transformer:

Primary winding: ~230V AC, 50Hz

Secondary winding: ~20V AC, 50Hz

Live
wire

L

Neutral

wire

N

Protective
Earth wire

 

PE

Fuse

250mA

Main Protective 

Earthing terminal 

Automatic 

two-pole 

circuit 

breaker

Picture 2.

 Wiring of a power supply and a siren without battery

Maximum long term output current of GSV4:

Maximum current out of +AUX:

Maximum battery charging current:

0,7 A

+0,25 A

+0,25 A

Maximum load ratings and electrical

 characteristics of GSV4

Maximum current out of +BELL (without battery)

Maximum current out of +BELL (with battery)

Maximum current into -PGM1:

Maximum current into -PGM2:

+0,2 A

-0,05 A

-0,05 A 

GSV4 disconnects battery when its voltage is less than:

(I        + I        +  I                   0,7 A ) 

+AUX

+BELL

9,5 V

Minimum AC voltage on AC 20V:

Maximum current of a fast blowing fuse used in battery 

~

16 V

3,15 A

Maximum AC voltage on AC 20V: 

Note:

 Higher than ~22 V voltage can damage GSV4.

Maximum voltage on +AUX, +BELL outputs:

Minimum voltage on +AUX, +BELL outputs:

~22

 V

+13,9 V

+12,0 V

Maximum current of a slow blowing fuse used in primary AC: 

Maximum AC power consumption

250 mA

30 mA

BAT. CHARGE

+2,0 A

+BELL

COM

-PGM1

S

power supply  

negative control

power supply  

A

C

2

0

V

+

B

E

L

L

C

O

M

-P

G

M

1

B

A

T

Use 3 - 15 kOhm resistor on siren terBELL 
and -PGM if siren does not give enough voltage.

Picture 3.

 Installation of a siren with back-up battery using 3 wires

10

k

Wiring  manual 

Leave no less than 10 cm of free space 
between the ventilation hole and any other 
surface. Increase in temperature of GSV4 can 
reduce the maximum current on +AUX and 
PGM outputs.

Attention!

Do not cover ventilation

 holes of the cabinet!

Calculated life expectancy for GSV4 at 40°C 
ambient temperature is 

9 years. 

Ambient 

temperature over 40°C may reduce its life 
expectancy.

Securing power cable to the cabinet

Plastic cabinet CAS6 has few plastic 
components for power cable fastening 
and bottom covers if video module 
VIDNET is not used. Locate plastic 
components in the bottom of the plastic 
cabinet and cut them with a cutter.

Mounting modules in the cabinet

Plastic box

GSV4

Screw

GSV4 have to be fastened in plastic cabinet by 
using screws. Mounting holes should correspond 
to cabinet's rear wall   holes.

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