COMBA RX-8139, Руководство пользователя

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USER MANUAL FOR RX-8139
ENU STATUS : 1-0-0 Copyright - refer to title page Page 13
3.2 SITE PLANNING CONSIDERATIONS
Site Considerations
The site considerations are listed below:
•
The distance between the donor antenna and the BS should satisfy line of sight requirements for
maximum coverage area. The received spots accept field intensity at least -70dBm.
•
Make sure that TX and RX antennas isolation should more than the max gain that of -15dB.
•
Supply power near by the BS and easily access to the grounding spot.
Installation Location
Mounting surface shall be capable of supporting the weight of the equipment.
In order to avoid electromagnetic interference, a proper Mounting location must be selected to minimize
interference from electromagnetic sources such as large electrical equipment.
Chassis output interface should install higher 1.2m than the ground.
Environmental
Humidity has an adverse effect on the reliability of the equipment. It is recommended to install the
equipment in locations having stable temperature and unrestricted air-flow which should under the
temperature that of -33
o
C ~+55
o
C and relative humidity of maximal 95%.
The installation location for the product should be well ventilated. The equipment has been designed to
operate at the temperature range and humidity level as stated in the product specifications in the
datasheet.
Direct sun light exposure to the equipment should be avoided. Provide additional shelter if necessary.
Powering
The power supply unit (PSU) provides power to all modules within the equipment. Depending on the
product variant, it is recommended that the PSU operates on a dedicated circuit breaker or fused circuit.
Grounding Requirement
Verify that the equipment has been well grounded. This includes antennas and all cables connected to
the system. Ensure lightning protection for the antennas is properly grounded.
Cable Routing
Depending on equipment configuration, a variety of types of cables are required. Where applicable,
ensure cables are properly routed and secured so that they are not damaged.
Cable requirements are as follow:
Table 2: Cable Connection
Cable Connection Description
Coaxial Cable N to N Connect BS cable to DT port
Coaxial Cable N to N Connect serve antenna cable
to MT port
Local Commissioning Cable RJ45 Connect with PC to realize local
commissioning
Manual Handling
During transportation and installation, take necessary handling precautions to avoid potential physical
injury to the installation personnel and the equipment.