BDM 400 Microphones
Operating Instructions
BDM400 Operation Manual issue 10
1
1 Introduction
The BDM 400 range of intelligent Microphones are designed to
provide a wide variety of features to suit any installation.
Figure 1.1 — Typical BDM416 Microphone
The Microphones communicate with the main control system via
an RS485 communications link, and as the only connection
required on each unit is made using a standard RJ45 Network
cable connection (carrying both Audio and Serial Data) system
wiring is considerably reduced.
