Extron Electronics MPA 122 User Guide - Manual (Page 12)

MPA 122 • Installation and Operation
Installation and operation, cont’d
MPA 122
3
Chapter Three
Remote Operation
Remote Control Options
2-10
Remote connector wiring
As shown below, Pin 1 is 10 VDC reference voltage. Pin 2 is
volume control DC voltage; range is 0 to 10 V, where 0 V is mute
and 10 V provides maximum volume. Pin 3 is ground.
All nominal levels are at ±10%
MUTE
VOLUME
REMOTE
10V
VOL/MUTE
1 2 3
GND
10K
2K
MAX
2
3
1
MIN
Figure 2-9 — Pinout diagram for optional remote
connector
See Chapter 3, Remote Operation for more information on the
three options (IR remote, MLC series, or DC volume/mute
controller) for remote control.