13
4.2
25 Pin Alarm Transfer Box
Connect 25 pins of the transfer box directly with the 25 pins alarm input output connection of the DVR
Fasten the transfer box on the back panel of DVR with two screws
Pull out 6 connection terminals of the transfer box, corresponding connection marks can be clearly noticed.
Connect function line according to connection marks
①
Loosen the screws on the connection terminal;
（
connection diagram
① ）
②
Insert lines needed to corresponding terminals
；（
connection diagram
② ）
③
Fasten the screws on the terminals after insertion of the lines.(connection diagram
③ ）
Notes:
a)
“
Ground
”
：
ground line
；
b)
“
+12v
”
：
provide the power to alarm device
with current less than 2A
c)
“
OUT 1
、
2
”
is two alarm outputs switch.
Nomal open type
；
d)
“
485 A
、
B
”
is communication connection,
used to connect such recorder control device
such as control decoder
e)
“
+12
（
C
）
”
is control power output, is used for
standby power for smoke sensor alarm device..
dismiss of the alarm needs the device to turn off
the power.
f)
“
ALARMIN 1
…
8
）
is alarm input. High level voltage input. Input voltage is
6-24V
（
12V is recommended
）。
connection diagram
②
screw
terminal
ion t
connection diagram
③
connection diagram
①
