User manual

REV: 10-12 DOC: 1310B PAGE 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
MUTE
POWER
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
PIN 4
PIN 5
PIN 6
GND
+48V
NO SHUN T = 6 dB GAIN
50dB 26dB
J2 J1
PIN6 PIN5 PIN4 PIN3
PIN6 PIN5 PIN4 PIN3
OUTPUT INPUT
PB2
PB1
PIN6 PIN5 PIN4 PIN3
PIN6 PIN5 PIN4 PIN3
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
P1P2
1:36:24 6-1 A
Figure 14 - Installation Example