63
7.3.3.2 Fireman microphone CHAIN-type cable connection
In the CHAIN-type cable connection, the rst reman microphone can be connected to the control unit via LAN PoE, whereas
further microphones require external power supply. This does not apply to a system in which there are PoE switches between
microphones (Switches must be supplied with re power supply units).
Drawing 38.
BUS1 BUS2
IN7IN6IN5IN4IN3IN2IN1
+48 VDC BATT
Audio IN Audio OUT
C
LR
C
LR
+24 VDC
150 mA
+48 VDC
350 mA
TEMP.
SENSOR
LINE ALINE BLINE CLINE DHV AUDIO IN
C
H
C
H
C
H
C
H
C
H
LINE ALINE BLINE CLINE DHV AUDIO IN
C
H
C
H
C
H
C
H
C
H
LAN/WANRS485
LANLAN PoE
IN1IN2
BA
FIBER
2
1
AV miniVES 4001LN
ABT-DFMSABT-DFMS
OUT3OUT2OUT1
Fireman microphone cable connection – CHAIN topology
7.3.3.3 Dierent ways to power the reman microphone
7. Via LAN PoE in AutroVoice miniVES Control Units
Drawing 39.
BUS1 BUS2
IN7IN6IN5IN4IN3IN2IN1
+48 VDC BATT
Audio IN Audio OUT
C
LR
C
LR
+24 VDC
150 mA
+48 VDC
350 mA
TEMP.
SENSOR
LINE ALINE BLINE CLINE DHV AUDIO IN
C
H
C
H
C
H
C
H
C
H
LINE ALINE BLINE CLINE DHV AUDIO IN
C
H
C
H
C
H
C
H
C
H
LAN/WANRS485
LANLAN PoE
IN1IN2
BA
FIBER
2
1
AV miniVES 4001LN
OUT3OUT2OUT1
ABT-DFMS
Fireman microphone powered through LAN PoE