Sw6 And Sw8 Contact In/Tally Out Connectors - Extron electronics SW HD 4K PLUS Series User Manual

SW6 and SW8 CONTACT IN/TALLY OUT Connectors

The REMOTE panel on the SW6 and SW8 models contains six (SW6) or eight (SW8) 3-pole
captive screw connectors, each with three pins labeled C, G, and T, for contact closure
and tally indicator devices. The panel also contains a 3-pole captive screw connector with
three +V pins that provide power to the contact indicator devices connected to the tally (T)
ports. (The REMOTE panel also contains the RS-232 connector, which is not used for contact
closure on these models.)
C
CONTACT IN/TALLY OUT
C
Figure 8.
1.
Connect contact input and tally output devices to one or more of the 3-pole CONTACT
IN/TALLY OUT connectors (see figure 8,
• To enable input switching via contact closure, connect a push-button contact
closure input device to pins C (contact) and G (ground).
• To identify the currently selected input when the front panel buttons are not visible,
connect an indicator device, such as an LED, to tally output pin T of the same
3-pole connector.
When the input you are using is selected, the corresponding tally out pin shorts to
ground, which activates the connected indicator.
2. Attach the power wires for your connected contact indicator devices to any of the three
ports of the +V connector (
3. Press the button on the contact closure device to switch the connected input to the
output.
1 1 1
G T C G T C G T C G T
1 3 5 7
2 4 6 8
G T C G T C G T C G T
CONTACT IN/TALLY OUT Ports on SW6 and SW8 Models
).
2
2 2 2
+V
RS-232
Tx Rx G
) as desired:
1
SW HD 4K PLUS Series • Installation 11