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2-5CrossPoint 300 Matrix Switchers • Installation
See figure 2-4 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 2-3 and figure 2-5.
Tip (+)
Sleeve ( )
Sleeve ( )
Ring (
-
)
Tip (+)
RCA Connector
3.5 mm Stereo Plug Connector
(balanced)
Figure 2-4 — Typical audio connectors
The audio level for each input can be individually set via the front panel or
serial port 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”,
and chapter 5, “Matrix Software” for details.
4
Connections for balanced and unbalanced audio outputs — These 3.5 mm,
5-pole captive screw connectors output the selected unamplified, line level
audio. Connect audio devices, such as an audio amplifier or powered
speakers. See figure 2-5 to properly wire an output connector. Use the
supplied tie-wrap to strap the audio cable to the extended tail of the
connector.
Unbalanced Stereo Output Balanced Stereo Output
LR
Do not tin the wires!
Ring
Sleeve(s)
Tip
Tip
Ring
Sleeve(s)
Tip
Tip
NO GROUND HERE.
NO GROUND HERE.
Figure 2-5 — Captive screw connector wiring for audio output
CAUTION
Connect the sleeve to ground (Gnd). Connecting the sleeve to a negative
(-) terminal will damage the audio output circuits.
CAUTION
The length of the exposed (stripped) portion of the copper wires is
important. The ideal length is 3/16" (5 mm). Longer bare wires can
short together. Shorter bare wires are not as secure in the direct insertion
connectors and could be pulled out.
The volume level for each output can be individually set via the front panel or
RS-232/RS-422 control. See chapter 3, “Operation”, chapter 4, “Programmer’s
Guide”, and chapter 5, “Matrix Software” for details.