User Manual

English _13
●● INSTALLATION & CONNECTION
Connecting to Audio Input/Output
1. Connect the AUDIO IN port of the camera with the microphone or LINE OUT port of the amplifier that the
microphone is connected to.
2. Connect the AUDIO OUT port of the camera with the speaker or LINE IN port of the amplifier that the
speaker is connected to.
3. Check the specifications for audio input.
• Audio Codec
- Audio In : G.711 PCM (Bit Rate: 64kbps / Sampling Frequency: 8kHz), G.726 ADPCM (Bit Rate:
16Kbps, 24Kbps, 32Kbps, 40Kbps / Sampling Frequency: 8kHz), AAC (Bit Rate: 48Kbps / Sampling
Frequency: 16kHz)
- Audio Out : G.711 PCM (Bit Rate: 64kbps / Sampling Frequency: 8kHz)
• Full duplex Audio
• Audio in : Mono signal line input (Max.2.4 Vpp)
• Audio out : Mono signal line output (Max.2.4 Vpp)
• Line out impedance : 600Ω
Network
PC
Microphone
Speaker
Microphone
Microphone Amp
Speaker
AmpSpeaker
Connecting to the I/O port box
Connect the Alarm I/O signal to the corresponding port of the rear port box.
• ALARM IN : Used to connect the alarm input sensor or external day/night sensor.
• ALARM OUT : Used to connect the alarm output signal.
• GND : Used for earth-grounding.
• RS-485+ : Communication port for RS-485 receiver (+).
• RS-485- : Communication port for RS-485 receiver (–).
Connecting an external RS-485 device
Connect the camera with an external device using the [RS-485 +, -] ports.
You can control the pan/tilt operations of the camera via RS-485 communications.
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The GND connection is recommended for RS-485 communications. If you encounter a communication failure, connect the GND pin
as appropriate to correct the GND level between camera and external device.
AUDIO
OUT
MICRO
USB
VIDEO
NETWORK
ACT LINK
DC 12V
AC 24V
FOCUS
1 2 3 4 5 6
RESET
ALARM IN : 1
ALARM OUT : 2
GND:3 NC : 4
RS-485+ : 5
RS-485- : 6
PWR
IN