10
[5] EXT I/O terminals
Note:
• Off, input, and output of the ALARM IN2 and 3 can be switched by configuring the setting.
Refer to the Operating Instructions for further information about the ALARM IN2 and 3 settings
(“Off”, “Alarm input”, “Alarm output” or “AUX output”).
<Ratings>
• Alarm input1
/
Black & white input
/
Auto time adjustment
input, Alarm input2, Alarm input3
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 output, AUX output
Output specification
: Open collector output (maximum applied voltage: 20 V DC)
OPEN:
4 V - 5 V DC by internal pull-up
CLOSE:
Output voltage 1 V DC or less (maximum drive current: 50 mA)
IMPORTANT:
• Install external devices so that they do not exceed the rating of the network camera.
• When using the ALARM IN2 and/or 3 as the output terminals, ensure they do not cause signal
collision with external signals.
[4] Audio output connector
Connect an external speaker* using a stereo mini plug (ø3.5 mm). (Audio output is monaural.)
• Output imped
ance:
Approx. 600 Ω (unbalanced)
•
Recommended cable length:
Less than 10 m {32.8 feet}
• Output level:
–20 dBV
IMPORTANT:
• Connect/disconnect the audio cables and turn on the power of the camera after turning off
the power of the audio output devices. Otherwise, loud noise may be heard from the speaker.
• Make sure that the stereo mini plug is connected to this cable. When a monaural mini plug is
connected, audio may not be heard.
When connecting a monaural speaker with amplifier, use a locally procured conversion cable
(mono-stereo).
1 2 3 4
External I/O terminal
GND
ALARM IN3
(Alarm input 3 / AUX output)
ALARM IN2
(Alarm input 2 / Alarm output)
ALARM IN1
(Alarm input 1 / Black & white input / Auto time adjustment input)
Button
* Use a powered speaker.
