MLC Audio Connection
The MLC 226 IP Series controllers that support IPI intercom panels also have a rear panel, line
level audio output port that can be connected to local, powered speakers or to any audio or
paging system. See the wiring guide in figure 5, below.
MLC 226 IP Rear Panel
MLC 226 IP Rear Panel
R
INTERCOM
A
UDIO
OUT
To/from the IPI 104 AAP
or IPI 101 AAP
Rear Panel Intercom Port
To a Speaker,
Audio System, or
Paging System
Captive Screw
Connector
+
Do not tin the wires!
Figure 5.
MLC Audio Connection
NOTE:
The volume for this audio output can be adjusted via software only.
Sample Applications
There are several ways to make use of an IP Intercom System. To see what you can do with the
IPIs, look at the sample scenarios provided in this section.
Single PC to Panel
For a simple intercom system, connect one or more panels to a PC that serves as the help desk
console.
TCP/IP
Network
Classroom
IP 10.XX.XX.02
MLC 226 IP AAP IPI 101 AAP
PROJECTOR
1
2
3
4
5
6
VOLUME
CONFIG
IR
ON
OFF
AUTO
IMAGE
MUTE
LAPTOP
VCR
DVD
AUX
VIDEO
PC
MLC 226 IP
INTERCOM
MIC ON
IPI 101
PUSH
TO
CALL
HELP
DESK
Lab
IP 10.XX.XX.03
Straight-through
Network Cable
MLC 226 IP AAP IPI 101 AAP
PROJECTOR
1
2
3
4
5
6
VOLUME
CONFIG
IR
ON
OFF
AUTO
IMAGE
MUTE
LAPTOP
VCR
DVD
AUX
VIDEO
PC
MLC 226 IP
INTERCOM
MIC ON
IPI 101
PUSH
TO
CALL
HELP
DESK
Office
IP 10.XX.XX.04
IPI 104 AAP
PROJECTOR
1
2
3
4
5
6
VOLUME
CONFIG
IR
ON
OFF
AUTO
IMAGE
MUTE
LAPTOP
VCR
DVD
AUX
VIDEO
PC
MLC 226 IP
Help Desk Console
IP 10.XX.XX.01
Audio
Card
INTERCOM
MIC ON
IPI 104
PUSH TO CALL
1
2
3
4
SECURITY
LAB
ADMIN
OFFICE
HELP
DESK
MLC 226 IP AAP
Figure 6.
Single PC to One or More Panels
IPI 100 and IPI 200 Series • Installation
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