Extron electronics SW HDMI Series User Manual page 12

c
Video output connector — Connect an HDMI display device to this female Type A
HDMI connector.
The EDID information is read from the connected output device via this connector and
is written to memory on each input whenever the output device is connected this port
and powered on.
NOTE: The EDID information is also read and stored whenever power is recycled
to the connected output device or when the output device is replaced.
d
Contact port — This 5-pole, 3.5 mm captive screw connector can be used to switch
inputs by shorting the ground pin to any of the other four pins in the connector (see
Contact Closure
under "Selecting an Input" on page 15). Alternatively, you can
connect a push-button contact closure device to this port.
The Contact port also enables you to select an input via a push-button contact
closure device (see Wiring for Input Selection by Contact
e
Remote and auto-input switching connector — This 5-pole, 3.5 mm captive
screw connector (labeled "Remote") can be used for RS-232 communication with the
switcher, including firmware updates, and to enable auto-input switching.
To enable RS-232 control, connect the Tx (transmit), Rx (receive) and G
•
(ground) pins to the serial port of your computer (see
on page 8).
To enable auto-input switching, short pins 4 and 5 of this connector together.
•
In auto-input switch mode, the switcher automatically switches to the highest
numbered active input (see
f
Tally Out port — (Optional) Connect a push-button contact closure device with
an LED to this connector and to the Contact port to indicate which input has been
Wiring the Tally Out Port to Indicate the Input Selection
selected (see
page 12).
Wiring for RS-232 Control
Enabling Auto-input Switching
SW HDMI Series • Installation
Closure).
on page 11).
on
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