
Installation manual REV:201107
BREAK-TWA
Twisted Wire Audio System
www.metel.eu
6/6
BREAK-TWA-MIC/12-24
CONNECTION OF BREAK-TWA-MIC/12-24
BLUE ~
RED ~
SUPPLY 10-30 VAC
SYMMETRIC AUDIO SIGNAL ...1Km
YELLOW
˗
GREEN +
PINK
˗
RED +
SUPPLY 10-30 VDC
SYMMETRIC AUDIO SIGNAL
...1Km
YELLOW
˗
GREEN +
GREY
BROWN
TAMPER IN MICROPHONE
max. 0.4A/12VDC
AC POWER SUPPLY ~
DC POWER SUPPLY (BIAS) =
BREAK-TWA-MIC-1VPP/12-24
CONNECTION OF BREAK-TWA-MIC-1VPP/12-24
BLUE ~
RED ~
SUPPLY 10-30 VAC
ASYMMETRIC AUDIO SIGNAL
...100m
PINK
˗
GREEN +
PINK
˗
RED +
SUPPLY 10-30 VDC
ASYMMETRIC AUDIO SIGNAL ...100m
PINK
˗
GREEN +
AC POWER SUPPLY ~
DC POWER SUPPLY (BIAS) =
CONNECTION OF BREAK-TWA-MIC-ECT
ASYMMETRIC AUDIO SIGNAL ...10m
Coaxial cable 0,5m with 3,5mm mono JACK.
CONNECTION OF ELECTRET MIC.
CONNECTION OF POTENTIAL-FREE TAMPER
For all TWA-MIC models, we can use potential-free Tamper (connected
inside the microphone). Recommended for signalization of cable
interruption or of microphone separation.
1VPP
ECT
MIC
Electret microphone does not require any additional external supply.
The microphone is used for devices that already have integrated BIAS
supply (e.g. PC, some IP cameras, ...).
Microphone with output level 1Vpp for direct connection to a terminal
device (recorder, amplifier, loudspeaker, …).
Microphone with symmetric output for transmission over twisted pair
cable up to the distance of 1km. (1-channel receiver TWA-RX or 8-
channel receiver TWA-RX8-UNIT)
REVISION: 201107 -ECT