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The Kramer RC-21TB 2-Button Contact Closure Switch
Congratulations on purchasing your Kramer
RC-21TB
single slot wall plate insert
2-Button
Contact Closure Switch
which is ideal for using as a means of remote control in boardrooms
and conference rooms. It can be used with the
VP−81SID
step−in switcher or any other
Kramer product with contact closure control.
The
RC-21TB
front panel has two momentary switching buttons. On the rear are remote
momentary contact closure terminal block connectors that connect to a remote switch terminal
block connector. When the button is pressed it lights and the switch is made.
Figure 1
shows the
RC-21TB
front panel and the pinout on the rear:
Figure 1: RC-21TB Front Panel and Rear
To install the front panel button labels:
1. Unscrew the two spacers, remove the washers on the rear side of the insert and push
out the two studs holding the front panel, see
Figure 2
.
Figure 2: Removing the Front Panel
2. Separate the PC board from the front panel.
3. Remove the required labels from the supplied button label sheet.
4. Hold the button cap so that it is oriented as shown in
Figure 3
,
with the “wings” at the top
and lower sides.
Figure 3: Button Orientation
5. Insert the label (properly oriented) inside the cap.
6. Retaining the orientation, place the button cap with the label over the buttons, see
Figure 4
.
Figure 4: Placing the Button Cap
7. Place the front plate over the buttons.
8. Reassemble the PC board
Note
: Center the buttons in the opening before tightening the studs to prevent the buttons
from sticking during reassembly.
9. Insert the studs through the front panel. On the rear side of the insert place the washers
and then the spacers and tighten.
The
RC-21TB
can remotely switch the inputs of a machine via its remote contact closure
terminal blocks.
In the example illustrated in
Figure 5
two
SID-H
HDMI Step In Commander
units are
connected to
RC-21TB
.
Figure 5: RC-21TB connected to two SID-H Units
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