Extron electronic VLM 2000 - Manual (Page 41)

4-3 VoiceLift Microphone • Special Application
PRELIMINAR
Y
3. Pull the communication cable to the MLC 104 IP Plus, and insert it into one of
the MLC’s direct-insertion Digital I/O ports as follows:
•
Insert the black wire into the Ground port.
• Insert the red wire into the first available Digital I/O port.
Communication cable connected to Digital I/O ports 1 and Ground on
an MLC 104 IP Plus control panel
The figure below shows a wiring diagram of the instant alert application
setup.
2
3
GROUND
1
IR IN
GROUND
IR OUT
CM
SCP
GROUND
GROUND
Tx
Rx DISPLA
Y
RS-232/IR
LAN
PRESS
TAB
WITH
TWEEKER
TO
REMO
VE
A
B
MLS
PWR
RS-232 12
V
DIGIT
AL
I/O
A B C D
E
COMM LINK +V OUT
GROUND
Tx
Rx
+12V IN
O
N 1 2
CTS-2
MIX
TONE
RS-232 AUX IN CTC
+
RLY
Tx IN Rx C NO
OUT
IN
Ground ( )
Digital Input 1
MLC 104 IP Plus
DIGITAL I/O
Port
VLR 102 Receiver
RLY Port
Wiring for instant alert