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Audio and RS-232 Connections
NOTES: When wiring the connectors for the ports listed below:
• DO NOT tin the wires.
• Bare the wires to a maximum length of 3/16 inch (5 mm) only.
i Audio inputs 1-3 and 5-8 — These 5-pole captive screw connectors support analog,
balanced or unbalanced, stereo audio as three line level inputs (1-3) and four line level
analog stereo inputs (5-8).
Audio from the HDMI inputs 5-8 can be de-embeded from the HDMI source. This
allows the user to choose to select audio either from the HDMI inputs or the analog
audio from these four captive screw inputs. Once an audio source is selected, the
unselected source is disabled. The default selection is audio from the HDMI inputs.
Connect audio sources to these 5-pole, captive screw connectors. Wire the connector
for line level analog stereo as shown below.
LR
Unbalanced Input
Balanced Input
Ring
Sleeve (s)
Tip
Sleeve
Tip
Sleeve
Tip
Tip
Ring
j MIC/Line level audio inputs 1-2 — These two 3-pole, captive screw connectors are
microphone or line level inputs for balanced or unbalanced mono audio. They also
have +48 V phantom power support and two rear panel LEDs that indicate when
phantom power is activated. The phantom power can be activated through
DSP Configurator. See the DSP Configurator Help File "Mic/Line Input Gain" section,
for the method of enabling and disabling phantom power.
Connect microphone or line level audio inputs to these 3-pole, captive screw
connectors. Wire the connector for mono audio as shown below.
Balanced Mic Input
Unbalanced Mic Input
Tip
Ring
Sleeve
Tip
Sleeve
k Line level audio outputs 1-2 — Connect audio output devices to these 5-pole,
captive screw connectors.
Wire the connectors for line level analog stereo output as shown below.
Unbalanced Output Balanced Output
Tip
NO Ground Here
Slee
ve(s)
Tip
NO Ground Here
LR
AUDIO
Tip
Ring
Sleeve(s)
Tip
Ring
LR
AUDIO
CAUTION
For unbalanced audio, connect the sleeve(s) to the ground contact.
DO NOT connect the sleeve(s) to the negative (-) contacts
.
MLS 608 D Series • Rear Panel Connections 14