MADR - Microphone Amplifier for Dynamic Microphone
From Zenitel Wiki
Contents
Highlights
- Amplified Calling: Through separate loudspeaker
- Two-way speech communication through separate loudspeaker
- Accepts audio inputs from dynamic microphones
- Adjustable input level
- RCO input with relay and relay driver
- Fastens onto mounting rail in AlphaCom exchange.
The board can also be modified to accept input from electret microphones. Please consult your AlphaCom dealer.
Additional Documentation on Zenitel.com
Connectors and Switches