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DOC: 1310B
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12
INSTALLATION INSTRUCTIONS
LC372 SOUND REINFORCEMENT MODULE
Connect Unit to Other System Components
Connect the field devices to the LC372SR as required. Figure 14 illustrates a typical room installation. Note that all con-
nections are not shown in the example illustration.
AUX AUDIO INPUT
+ - S + - S
+ - S + -
V
M
SPKR
OUT
LINE
OUT
MUTEPOWER
FORM C RELAY OUTPUTS
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
ETHERNET/
IED MIDSPAN
Model# LANcom LC372SR
HANDSET
INTERFACE
AUX
INPUT
CALL SWITCHES
REMOTE MIC
IR RECEIVER INPUTS
PIN 3
P
IN
4
P
IN
5
P
IN
6
G
N
D
+4
8V
N
O
S
H
U
N
T
=
6
dB
G
A
IN
50
d
B
26
d
B
J2
J1
PI
N6
PI
N5
PI
N4
PI
N3
PI
N6
PI
N5
PI
N4
PI
N3
OUTPUT
INPUT
PB2
PB1
PI
N6
PI
N5
PI
N4
PI
N3
PI
N6
PI
N5
PI
N4
PI
N3
OUTPUT
INPUT
PB2
PB1
1
2
3
4
5
6
7
8
9
10
11 12
To Ethernet Switch
AL-IRDS
IR Receiver Dome
LC41PI
Power
Injector
Room Audio Source
Room Clock
LC372SR
Sound Reinforcement Module
Room
Mute Switch
LC372M
Remote Microphone Module
LC372AI
Audio Input Plate
LC12DCS
Call Switch
LC12DCS
Call Switch
LC21HS
Intercom Handset
MIC GAIN
1/8"
JACK
LO
HI
LO
HI
RCA
P
1
P2
1:36:24 6-1 A
Figure 14 -
Installation Example
