Installation of the ACU
3-24
Chapter 3: Installation
98-137654-A
4. Set the On/Off switch at the back of the ACU to On. Then you can
use the On/Off switch at the front panel.
3.4.1.1
Connectors of the ACU
For a description of the connectors see
on page 4-2. The ACU has additionally a LAN connector at the front
for accessing the service port from the ACU front panel.
For information on wiring 24 VDC power see
page 4-2. For more information about power supply and power
requirements see
3.4.2 Grounding the ACU
Make sure that the grounding requirements are met. See the
appendix
grounding.
3.4.2.1 ADU cable
The ADU is connected to the ACU with the ADU cable (coax cable)
with an N connector at both ends. For information on ADU
grounding, see
At the ACU end, it is strongly recommended to ground the ADU
cable. Use a short cable from the ACU to a grounding point in the
rack and connect the short cable to the ADU cable at this grounding
Figure 3-21: ACU, On/off switch at the back
Power
.
TV output
Set to On
ADU
A
A
B
B
Figure 3-22: ACU, LAN connector at the front: Service port
Service port connected to front
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