Wiring For Input Selection By Contact Closure; Wiring The Tally Out Port To Indicate The Input Selection - Extron electronics SW HDMI Series User Manual

Wiring for Input Selection by Contact Closure

The Contact port provides an alternative method of input selection. Connect a
push-button contact closure device to this port to switch the desired input to the output
as follows:
1.
2.
3.
Press the button on the contact device to switch the connected input to the output.

Wiring the Tally Out Port to Indicate the Input Selection

To identify the currently selected input when the front panel buttons are not visible, you
can connect an indicator device such as an LED to the Tally Out port. When the input
you are using is selected, the +V pin of the Tally Out port emits a +5 V volt signal, which
activates the connected indicator.
To connect an indicator to the Tally Out port:
1.
2.
3.
Example: One way to use this port is to connect it to a contact closure device with an
LED. Connect the contact device to Contact port as well. When you use the contact
device to switch the input you are using, the LED lights.
Plug one of the provided 5-pole connectors into the Contact port.
Insert the signal wire of the contact
closure device into the slot representing
the desired input number on the
SW HDMI Contact port.
Pin 1 = Input 1 contact
Pin 2 = Input 2 contact
Pin 3 = Input 3 contact (SW4 HDMI only)
Pin 4 = Input 4 contact (SW4 HDMI only)
Pin 5 = Contact GND
Insert the ground wire of the contact device into the Ground slot of the Contact port
(pin 5).
Plug one of the provided 5-pole connectors into the Tally Out port.
Insert the power wire for the contact indicator device into the +V slot of the Tally Out
connector (pin 5).
Insert the ground wire for the indicator into the slot on the Tally Out port that
represents the input that you want to monitor (pin 1, 2, 3, or 4).
Pin 1 = Input 1 tally ground
Pin 2 = Input 2 tally ground
Pin 3 = Input 3 tally ground (SW4 HDMI only)
Pin 4 = Input 4 tally ground (SW4 HDMI only)
Pin 5 = +5 V
REMOTE
Tally Out Port for
TALLY OUT
Input Selection
Indication
+v
1 2 3 4
CONTACT
1 2 3 4 G
Contact Port for
Input Selection
RS-232 AUTO
Tx Rx
SW HDMI Series • Installation
REMOTE
TALLY OUT
+v
1 2 3 4
CONTACT RS-232 AUTO
1 2 3 4 G Tx Rx
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