17
E
EXT I/O terminals
F
RS485 terminal
S1112
Used to connect an external device to the product that can be controlled using the RS485
standard. You must configure the product's RS485 terminal to match the RS485 transmission
specifications of the external device. Refer to the Operating Instructions on the provided
CD-ROM for information about configuring the RS485 terminal.
<Ratings>
ALARM IN1 (DAY/NIGHT IN , Auto time adjustment
input), ALARM IN2, ALARM IN3
Input specification : No-voltage make contact input (4 V - 5 V DC, internally pulled up)
OFF
: Open or 4 V - 5 V DC
ON
: Make contact with GND (required drive current: 1 mA or more)
ALARM OUT, AUX OUT
Output specification : Open collector output (maximum applied voltage: 20 V DC)
ON
: 4 V - 5 V DC by internal pull-up
OFF
: Output voltage 1 V DC or less (maximum drive current: 50 mA)
1 2 3 4
External I/O terminal plug
GND
ALARM IN3 (Terminal 3)
(Alarm input 3 / AUX output)
ALARM IN2 (Terminal 2)
(Alarm input 2 / Alarm output)
ALARM IN1 (Terminal 1)
(Alarm input 1 / Black & white input / Auto time adjustment input)
Button
IMPORTANT:
Install external devices so that they do not exceed the rating of the network camera.
When using the EXT I/O terminals as the output terminals, ensure they do not cause signal
collision with external signals.
S1132
Note:
Off, input, and output of the external I/O terminal 2 and 3 can be switched by configuring the
setting. Refer to the Operating Instructions on the provided CD-ROM for further information
about the EXT I/O terminal 2 and 3 (ALARM IN2, 3) settings ("Off", "Alarm input", "Alarm output"
or "AUX output").
