Interface; Figure 4-5 Polarization Directions Supported By The Rectangular Waveguide - Huawei OptiX RTN 600 ODU Manual

OptiX RTN 600 ODU
Hardware Description
l
l
l
l

4.4 Interface

The feed boom interface of the direct-mount single-polarized antenna is a waveguide interface.
The feed boom interfaces of the separate-mount single-polarized antenna and the dual-polarized
antenna are flange interfaces.
Issue 06 (2010-05-30)
radiated by the antenna. The polarization direction of the electromagnetic waves is the
direction of the electrical field.
the rectangular waveguide.
NOTE
The polarization direction of the antenna must be the same as the polarization direction of the ODU
or hybrid coupler. The feed booms of certain types use the round waveguide. In this case, see
installation instruction of the antenna to adjust the polarization direction of an antenna according to
the polarization mark.

Figure 4-5 Polarization directions supported by the rectangular waveguide

Vertical Horizontal
polarization polarization
Direction of the
electrical field
Reflector
Normally, the reflector of the antenna is a rotatable paraboloid. The reflector is mainly used
for determining the direction and providing the directive gain.
In the transmit direction, the reflector reflects the electromagnetic waves radiated from
–
the feed boom so that the electromagnetic waves are directional.
In the receive direction, the reflector assembles the electromagnetic waves from the
–
space to the output port of the feed boom.
Radome
The radome protects the antenna from being damaged due to the wind, rain, and ice. The
electromagnetic waves can be radiated through the radome.
Shield
The shield is installed on the HP antenna. The shield is mainly used for suppressing the
radiation of the side lobes.
Mounting brackets
The mounting brackets are used for fixing the antenna onto the pole and for adjusting the
azimuth and elevation slightly. In addition to the mounting brackets, a reinforcing rod is
required for fixing the antenna with the diameter of not less than 1.2 meters.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 4-5 shows the polarization directions supported by
4 Antenna
4-5