Audio I/O Block Diagram

PC

Microphone

Microphone

Pre-Amp

Pre-Amp Speaker

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 600ohm

16_ Installation and Connection