INSTALLATION GUIDE FOR RA-5200
RA-5200 QI
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Page 59
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4.2 LED INDICATORS
4.2.1 MOU LED INDICATORS
Diagnostic LEDs are located on the MOU, each indicates the status of a particular function:
Identifier
Color
Indication
RUN
Green
Operation indicator – power is supplied to the MOU. Flashes once every
second to indicate normal system operation.
ALM
Red
Alarm indicator. ON = alarm; OFF = no alarm
FSK
Green
Diagnostic LED for FSK communication and MODEN operation, Flashes
once every two seconds to indication normal communication between
MOU and RRU.
Table 23: MOU LED Indicators
The LEDs RUN, ALM, FSK will flash simultaneously three times during system self-checking after
equipment power-up. Then RUN flashes every second to indicate system commissioning can be
proceeded with.
4.2.2 ROU/RRU LED INDICATORS
Three diagnostic indicators are located on the MCU integrated in the ROU/RRU enclosure, each
indicates the status of a particular function.
Identifier
Colour
Indication
H1
Green
Operation indicator – power is supplied to the RRU. Flashes once every
second to indicate normal system operation.
H2
Red
Alarm indicator. ON = alarm; OFF = no alarm
H3
Green
Diagnostic LED for FSK communication and MODEM operation, Flashes
once every two seconds to indication normal communication between
MOU and ROU.
Table 24: ROU/RRU LED Indicators
The LEDs H1, H2, H3 will flash simultaneously three times during system self-checking after
equipment power-up. Then H1 flashes every second to indicate system commissioning can be
proceeded with.