COMBA mBDA OD Series - COMMISSIONING; PRE-COMMISSIONING TASKS; RFU LED INDICATOR

INSTALLATION GUIDE FOR mBDA OD SERIES
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Page 29
4 COMMISSIONING
4.1 PRE-COMMISSIONING TASKS
After equipment installation, perform the following steps before equipment powering and commissioning:
 Check the expected voltage, current and power levels do not violate any ratings.
 Visually inspect the power connection within the equipment. Ensure that the power cable is correctly
and securely connected, including grounding wire, RF cable and other cables.
 Check grounding connection and verify that the ground resistance is less than 5Ω.
 Test the antenna system and ensure the echo loss within working frequency is less than -14dB
(VSWR<1.5).
4.2 RFU LED INDICATOR
Three diagnostic LEDs are located on MCU panel; each indicates the status of a particular function:
Figure 23: RFU LEDs on Outer Window
Table 7: RFU LEDs
Identifier
Colour
Indication
PWR
Green
Power indicator. ON = power on; OFF = power off.
RUN
Green
Operation indicator, flashes every second to indicate normal operation.
ALM
Red
Alarm indicator. ON = alarm; OFF = no alarm.