SMX System MultiMatrix Switchers
• Reference Material
A-3
Wiring audio connectors
Audio input connectors —
Connect audio input devices
to the 3.5 mm, 5-pole captive screw connectors (up to two
groups of eight sets possible). Wire the input connector for the
appropriate signal type, as shown below.
Unbalanced Stereo Input
Tip
Sleeve
Sleeve
Tip
L
R
Unbalanced Mono Input
Balanced Mono Input
L
R
Tip
Ring
Sleeve
Tip
Ring
L
R
Tip
Sleeve
Tip
Sleeve
Balanced Stereo Input
L
R
Tip
Ring
Sleeve
Tip
Ring
Do not tin the wires!
Audio input captive screw wiring
N
A mono audio connector consists of the tip and sleeve,
whereas a stereo audio connector consists of the tip, ring,
and sleeve. The tip, ring, and sleeve wires are also shown
above (balanced inputs).
See the
SMX User’s Manual,
chapter 3, “Operation and
Setup”, for details about setting up the audio.
Tip (+)
Sleeve ( )
Sleeve ( )
Ring (-)
Tip (+)
RCA Connector
3.5 mm Stereo Plug Connector
(balanced)
Audio connectors
Audio output connectors —
Connect audio output devices to
the 3.5 mm, 5-pole captive screw connectors (up to two groups
of eight sets possible). The connectors output unamplified, line
level audio. See the figure below for wiring details.
Unbalanced Stereo Output
L
R
Left
Right
CAUTION
For unbalanced audio, connect the sleeve(s) to
the center contact ground.
DO NOT
connect
the sleeve(s) to the negative (-) contacts.
Tip
Sleeves
Tip
NO GROUND HERE
NO GROUND HERE
L
R
Left
Right
Tip
Ring
Sleeves
Tip
Ring
Audio output captive screw wiring
Also refer to the
SMX System MultiMatrix Switchers User’s Manual
at www.extron.com.