Audio Input And Output (Audio Models Only); Captive Screw Connector Models (All Except Mav Plus 128 Av Rca) - Extron electronics CrossPoint 450 Plus 84 HV User Manual

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Audio input and output (audio models only)

Captive screw connector models (all except MAV Plus 128 AV RCA)

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CAMBOARD Electronics
By default, the audio ties follow the video ties. Audio breakaway, which can be
activated via the front panel or under Ethernet or RS-232/RS-422 control, allows
you to select from any one of the audio input sources and route it separately from
its corresponding video source. See chapter 3, Operation, chapter 4, Programmer's
Guide, chapter 5, Switcher Software, and chapter 6, HTML Operation for details.
Connections for balanced and unbalanced audio inputs — Each input has a
4
3.5 mm, 5-pole captive screw connector for balanced or unbalanced stereo
audio input. Connectors are included with each switcher, but you must
supply the audio cable. See figure 2-16 to wire a connector for the appropriate
input type and impedance level. High impedance is generally over 800 ohms.
Tip
Sleeve Ring
Sleeve (s)
Tip
Sleeve Ring
Unbalanced Input
(high impedance)
Figure 2-16 — Captive screw connector wiring for audio inputs
The captive screw audio connector can easily be inadvertently plugged
CAUTION
partially into one receptacle and partially into an adjacent receptacle. This
misconnection could damage the audio output circuits. Ensure that the
connector is plugged fully and only into the desired input or output.
See figure 2-17 to identify the tip, ring, and sleeve when you are making
connections for the switcher from existing audio cables. 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 2-16 and figure 2-18.
Tip (+)
Sleeve ( )
RCA Connector
Figure 2-17 — Typical audio connectors
The audio level for each input can be individually set via the front panel or
Ethernet or RS-232/RS-422 control to ensure that the level on the output does
not vary from input to input. See chapter 3, Operation, chapter 4, Programmer's
Guide, chapter 5, Switcher Software, and chapter 6, HTML Operation for details.
Tel. 07131 911201
CrossPoint 450 Plus and MAV Plus Switchers • Installation
Fax 07131 911203
Tip Tip
Ring
Sleeve (s)
Tip Tip
Ring
Balanced Input
(high impedance)
Tip (+)
Ring (-)
Sleeve ( )
3.5 mm Stereo Plug Connector
(balanced)
ce-info@camboard.de
600 ohms
600 ohms
Balanced Input
(600 ohms)
2-13