VoiceLift System • Special Application
34
NOTE:
If the MLC and the PoleVault switcher are using separate power supplies,
ground the C pin of the receiver Rly port to the receiver using a jumper
between the C pin and the ground (
_
) pin on the contact input (CTC), the
auxiliary input (Aux In), or the RS-232 port.
Figure 31.
Jumper Wire Connecting the Receiver Relay Port Common Pin
with the Ground Pin of the Contact Port
4.
Pull the communication cable to the MLC 104 IP Plus and insert it into one of the MLC
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.
Figure 32.
Communication Cable Connected to Digital I/O Ports 1 and
Ground on an MLC 104 IP Plus Control Panel