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Installation, cont'd
Composite video input connectors — Connect composite video
sources to these female BNC connectors.
The MAV 62 switchers do not alter the video signal in
any way. The signal output by the switcher is in the
same format as the input.
Connections for balanced and unbalanced audio inputs —
2
The captive screw connector can easily be
CAUTION
inadvertently plugged partially into one receptacle
and partially into an adjacent receptacle. This
misconnection could damage the audio output
circuits. Exercise care to ensure the captive screw
connector is plugged into the desired input or
output.
Tip
Tip
Ring
Sleeve
Sleeve (s)
Tip
Tip
Sleeve
Ring
Unbalanced Input
Balanced Input
(high impedance)
(high impedance)
Figure 2-4 — Captive screw connector wiring for
input
When making connections for the switcher from existing
audio cables, see figure 2-5. A mono audio connector
consists of the tip and sleeve. A stereo audio connector
consists of the tip, ring and sleeve. The ring, tip, and
sleeve wires are also shown on the captive screw audio
connector diagrams, figure 2-4 and figure 2-6.
The audio level for each input can be individually set, via the
front panel or RS-232, to ensure that the level on the output does
not vary from input to input. See chapter 3, Operation, and
chapter 4, RS-232/Remote Control, for details.
2-4
MAV 62 Matrix Switcher • Installation
Each input has a 3.5 mm, 5-pole captive
screw connector for balanced or
unbalanced stereo audio input.
Connectors are included with each MAV
switcher, but you must supply the audio
cable. See figure 2-4 to wire a connector
for the appropriate input type and
impedance level. High impedance is
generally over 800 ohms.
600 ohms
Tip
Ring
Sleeve (s)
Tip
Ring
600 ohms
Balanced Input
(600 ohms)
Tip (+)
Sleeve ( )
3.5 mm Stereo Plug Connector
RCA Connector
Figure 2-5 — Phono audio connectors
Signal output connections
S-video output connectors — Connect S-video displays to these
3
two 4-pin mini DIN connectors.
Composite video output connectors — Connect composite
video displays to these two female BNC connectors.
Connections for audio outputs — These 3.5 mm, 5-pole captive
4
screw connectors output the selected unamplified, line level
audio. Connect audio devices, such as an amplifier or powered
speakers. See figure 2-6 to properly wire an output connector.
Tip
See caution
Sleeve
Tip
See caution
Unbalanced Output
Figure 2-6 — Captive screw connector wiring for
audio output
Connect the sleeve to ground (Gnd). Connecting
CAUTION
the sleeve to a negative (-) terminal will damage the
audio output circuits.
By default, the audio output follows the video switch. Audio
breakaway, commanded via the RS-232 link, allows the user to
select from any one of the audio input sources. See chapter 4,
RS-232/Remote Control for details on the RS-232 connection
MAV 62 Matrix Switcher • Installation
Tip (L)
Ring (R)
Sleeve ( )
(unbalanced)
Tip
Ring
Sleeve (s)
Tip
Ring
Balanced Output
2-5
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