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Captive Screw
Connecting
Captive screw connectors are an added feature on the UHD-PRO3-44M matrix. The captive screw
connectors allow you to cut cables down to a suitable length, reducing cable clutter while providing
a more reliable connection.
The captive screw connectors have
a contact bar that is adjusted to
compress the wire against the
top contact plate. Use the screws
at the top of the connector to
compress the wire against the
contact plate.
When connecting the cables to the female captive screw connector it is important that the wires be
terminated correctly. The female captive screw connector has a contact plate at the top and must
have the wires touching it for signal to pass. When wired correctly
(see picture A)
the signal will pass,
incorrectly
(see picture B)
no signal will pass.
Two types of female captive screw connectors have been included: 4
pin
(IR and Audio)
and 5 pin
(RS-232/IR)
.
Clockwise
Counter
Clockwise
Turn the screws
clockwise to raise the
contact bar to the
upper contact plate and
hold the wires in place.
Turn the screws
counter clockwise
to lower the contact
bar to release the
wires.
A
B
RS-232/IR
Audio and IR
Note:
To view pin outs of audio and RS-232, see pages 7 and 21.
The wires of the emitter is marked to differentiate pin outs.
Signal (S)
Ground (
)
S
S
The IR emitter
(AT-IR-CS-TX sold separately)
has two wires: signal and ground. Signal will have a solid
line and ground will be blank. The IR emitter will plug into the IR OUT ports.
Note:
One AT-IR-CS-TX is included with the AT-UHD-EX-70C-RX (receiver) and AT-UHD-EX-100CE-RX (receiver).
There are two wires on the IR captive screw ready cable
(AT-LC-CS-IR-2M sold separately)
: signal and
ground. The signal wire is red and ground wire is black. The IR cable will plug into the IR IN ports
and connect to third party control systems.
Signal (S)
Ground (
)