MBF-40 SMR700/SMR800 PS REPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless – Coverage Date: 28-Jan-16 www.cobham.com/wireless
Doc. No. 00046UM Rev. 2.1
Page | 63
6 MAINTENANCE
6.1 Cautions and General Statements
• The system normally operates without any operator intervention or maintenance. If in the
unlikely event of any unit failure, the faulty repeater should be replaced. A failed unit can be
removed and replaced with a spare while the rest of the system (other repeaters) is still
operating. However, the power supply of the failed repeater should be isolated from the power
before anything is replaced.
• In the event of a malfunction in the system, the status of the antenna systems as well as the
continuity of the cabling should be checked before replacing any modules within the repeater.
• The Input / Output RF level power level monitoring windows are for indication only and should
not be considered a replacement for laboratory test equipment accuracy of measurement of
actual signal levels. The error of measurement will be high at low input levels.
• The normal operating range of signal measurement is as follows:
• Downlink Output range +20dBm to +43dBm
• Uplink Output range -10dBm to +5dBm
• In the event of a failure Cobham Wireless’s support service should be contacted for advice on a
possible module replacement or other action to be taken.
• If a shipment of a repeater back to Cobham Wireless is made within the period of guarantee the
original packing must be used.
• Component Replacement - None of the modules in the repeater can be replaced without
removing the repeater from its mounting and opening the cover of the repeater.
• Product Disposal - Disposal of this product must be handled according to all national laws and
regulations. For detailed information regarding materials, please refer to Cobham Wireless.
CAUTION! Please be aware that the equipment may, during certain conditions become
very warm and can cause minor injuries if handled without any protection, such as gloves.
6.2 Batteries
The Repeater contains two types of batteries:
• A battery pack in the power supply unit, consisting of 8X NiMh batteries.
• A button cell CR1216 on the controller board.
CAUTION!
Please be aware that the equipment may, during certain conditions become very warm and can
cause minor injuries if handled without any protection, such as gloves.
Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries according to
local laws and instructions.
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