PARTS NAMES
Power unit
1
24V AC output terminals (AC24V OUT)
Connect the camera power input terminals (AC24V) to the
power unit output terminals.
2
24V AC input terminals (AC24V IN)
Connect the AC 24V power input to the power unit. When
making the connections, make sure to turn off the power at
the source.
3
Power switch (POWER)
To turn the power on or off. Will also control the power to
the camera.
4
Transmission speed setting switch (RS-485 BAUD RATE)
The default setting is all “ON”.
Transmission speed setting (SW1, 2)
The default setting is 19200 bps. If necessary, change
the setting according to the maximum transmission
speed supported by the peripheral devices.
Alarm duration setting (SW3)
The default setting is 5 sec. If necessary, change the
setting according to the type of alarm signal input.
Alarm list display setting (SW4)
The alarm list can be displayed on the menu screen of
the system controller.
The default setting is “ON”.
5
Address/Terminate setting switch (RS-485 ADDRESS/
TERMINATE)
Address setting (SW1 to SW7)
Set the power unit address. See the table on page 12, for
details.
Termination setting (SW8)
The power unit termination must be set. The default
setting is all OFF (up).
6
RS-485 control terminal (RS-485 DATA)
Make the connections between the RS-485 terminals of the
camera, power unit, system controller, etc. using
twisted-pair cable or modular cable (sold separately). Signal
A must be connected to A, and signal B to B.
7
Alarm input terminals (ALARM IN)
Connect alarm input sources such as a door bell, an
interphone, etc. to the ALARM IN terminals. Refer to
“Connections to the ALARM IN terminal” on page 4, for
more information on connections.
8
Power indicator viewing hole
The indicator inside the hole illuminates when the power is
turned on.
9
Fuse socket
RS-485
BAUD RATE
RS-485
RS-485 DATA
ADDRESS
1 4
1 7
OFF
OFF
A B A B G
ALARM IN
1 2 3 4 5 6 7 8 G
POWER
AC24V IN
AC24V OUT
1
2
3
4
5
6
7
8 9
8
TERMINATE
(2400 bps)
(4800 bps)
(9600 bps)
(19200 bps)
(5 sec.)
(30 sec.)
ADDRESS SET
TERMINATER
ON/OFF
L53Y4/XE (VCC-9250P GB) 2000. 11. 28
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