Harris Constellation - Table 4-12: ACU Technical Data

Harris Corporation Constellation™
Installation and Commissioning 4-19
INSTALLATION AND
COMMISSIONING
a. Verify that the antenna waveguide is grounded according to
recommended or regulatory practice.
b. Determine and prepare the length(s) of flexible waveguide needed to
connect the antenna(s) to the radio.
c. Install the waveguide.
d. Remove the Port Cover from the ACU. See Figure 4-13.
Table 4-12: ACU technical data
Ports
Antenna
port
6 GHz CMR-137 flange with all tapped
mounting holes for No. 6-32
screws.
CPR-137 spacer
adapter
7/8 GHz CMR-112 flange with all tapped
mounting holes for No. 6-32
screws.
CPR-112 spacer
adapter
10/11
GHz
UG39/U flange with all tapped
mounting holes for No. 8-32
screws.
CPR-90 spacer
adapter
Expansion
port
6 GHz CMR-137 flange with all tapped
mounting holes for No. 6-32
screws.
The waveguide
termination can be
removed to gain
access to this port.
Optional waveguide
pieces to interface to
other radios are
available upon
request.
7/8 GHz CMR-112 flange with all tapped
mounting holes for No. 6-32
screws.
10/11
GHz
UG39/U flange with all tapped
mounting holes for No. 8-32
screws.
Transmit monitor port SMA female connector. A calibrated monitor port,
approximately
−30 dB down from the top of rack.
The exact number is on the label “Coupling loss from
antenna flange”.
Transmit RF in SMA female connector.
Receive RF out SMA female connector.