installation & connection
Audio Codec
G.711 PCM. μ-law 64kbps 8kHz sampling
full duplex Audio
Audio in
Used for mono signal line input (Max.2.4 Vpp)
Audio out
Used for mono signal line output (Max.2.4 Vpp)
Line out impedance
600Ω
Alarm i/o wiring Diagram
ALARM IN
GND
ALARM OUT
(NC)
ALARM COM
ALARM OUT
(NO)
For controlling the power with electrical contacts, a separate circuit is required.
J
20_ installation & connection
3
(12mA sink)
4
5
(24vDC 1A,
6
125vAC 0.5A mAX)
7