3M G5 - Page 22

Installation
March 2014 – Revision 2.0
Page 22 of 74
3M™ Drive-Thru Systems Model G5 and Model XT-1
Installation Manual
Figure 7
Terminal Label
Definition and Connection Information
12V IN
Incoming power supply from the transformer
ORDER POINT: All of the wires on this terminal block go to the order point or monitor speaker
12V OUT
12 VDC power supply
EARTH
Earth ground
MIC+
Positive phase microphone wire
MIC-
Negative phase microphone wire
GND
Microphone wire shielding
MEN SPKR+
Positive phase order point speaker
MEN SPKR-
Negative phase order point speaker