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BusSecure User Manual 

DVR Installation and Wiring 

 

 

0150-0263A / May 2003 

19 

The BusSecure system allows for four inputs, which can be defined as either triggers or alarms. The 
Impact Sensor and Panic Button are both examples of alarm inputs. When the trigger is activated, it will 
open the normally closed connection, activating the alarm. Refer to the system specific layout for the 
location and types of inputs used in your installation. 

1)  Remove the P2 terminal block (

 in Figure 22) from the rear panel assembly by loosening its 

mounting screws and pulling it out of its socket. 

2)  Each trigger device must have a normally closed connection with the DVR and be connected as 

shown in Figure 25. All wires should be stripped 3/8 of an inch. 

Note: Terminal 18 also may be used for a panic button or impact sensor (up to three wires can go into terminal 18). 

 

1

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16 17 18 19 20

 N

or

m

al

ly

 C

lo

se

d

 N

or

m

al

ly

 C

lo

se

d

 N

or

m

al

ly

 C

lo

se

d

 N

or

m

al

ly

 C

lo

se

d

G

N

D

G

N

D

G

N

D

G

N

D

12

 V

D

C

G

N

D

AU

D

IO

 +

AU

D

IO

 -

 

  Input 1 

  Input 4 

  Audio Connections 

 

  Input 2 

  Ground 

 

 

  Input 3 

 

12 VDC 

 

 

 

The Impact Sensor’s N/C wire (green or white) and common wire (black) connect to one of the pairs of 
input terminals shown in Figure 26. Its +12-VDC wire (red) connects to terminal 18. See Figure 26.