NOKIA FLEXI HOPPER (RRI)
NOKIA FLEXI HOPPER (RRI)SUBMITTED BYMOHIT KUMAR
INDEXIntroductionFeaturesNokia flexi hopper outdoor unitIndoor
unitInstallation procedureConnector and cablingPower
supplyTechnical specificationPower levelAntenna adjustment
range
introductionA Nokia Flexi Hopper network element consists of an
indoor unit (IU) and an outdoor unit (OU). The units are connected
together with a single coaxial cable, Flex bus. The Flex bus cable
can be up to 300 m long.One unit, all capacities; one platform, all
frequenciesNokia Flexi Hopper Microwave Radios are available for
the 7, 8, 13, 15, 18, 23,26, and 38 GHz frequency bands. The radio
transmission capacity of all Nokia Flexi Hopper models is 2 x 2, 4
x 2, 8 x 2, or 16 x 2 Mbit/s. This can be selected using the node
manager without any hardware changes.RRIC is an indoor unit which
fits directly into Nokia City talk and Nokia Intra talkbase
stations (BTS). RRIC provides up to 4 x 2 Mbit/s add/drop capacity
to thebase station transmission unit (TRUx) and up to 16 x 2Mbit/s
bypass capacity toanother RRIC unit. The 2 Mbit/s cross-connect
function is integrated into the RRIC indoor unit. RRIC enables
connection for two outdoor units and supports hot standby. Loop
protection is available on the RRIC indoor unit together with the
TRUx base station transmission unit.
FXC RRI Nokia Metro Site GSM BTS, Nokia Metro Hub, and Nokia
Ultra Site EDGE BTS indoor unitFXC RRI is an indoor unit which can
be installed in Nokia Metro Site GSM Base Station, Nokia Metro Hub
Transmission Node, or Nokia Ultra Site EDGE Base Station. FXC RRI
enables connection to two outdoor units, supports loop protection,
and also provides grooming with 8 k bit/s granularity. The add/drop
capacity is 16 x 2 Mbit/s.
Nokia Flexi Hopper Microwave Radios have many advanced features
in addition to all the essential microwave radio features.
FEATURESFlex bus single cable interconnections
INDOOR UNIT
To install indoor unit inside the shelter.Install the indoor
unit in transmission rack. Nokia flexi hopper outdoor unit
NOKIA FLEXI HOPPER OUTDOOR UNITThe Nokia Flexi Hopper OU is used
together with an antenna and an alignment unit.
INSTALLATION
The outdoor unit can be installed on a roof, wall, or tower. The
antenna with alignment unit can be installed on either side of a
pole. Normally, no loose parts are needed in the installation of
the alignment unit and the outdoor unit.
The outdoor unit and the antenna are fitted with guides which
prevent installation in conflicting polarizations.
FXC RRI is a plug-in indoor unit which can be installed in Nokia
MetroSite GSM BTS, Nokia MetroHub, and Nokia UltraSite EDGE
BTS..Connectors and cabling
The indoor unit and the outdoor unit are connected via a single
coaxial cable(Flex bus), which also feeds power to the outdoor
unit. The outdoor unit has one coaxial connector for the Flex bus
cable (TNC, 50 ) and one BNC connector for measurement of the AGC
(automatic gain control) voltage.
AGC voltage measurement is needed when aligning the antenna.
Power supply
The power is fed to the outdoor unit from the indoor unit via
the Flex bus cable(55 VDC nominal voltage). No separate power
supply is needed. The power consumption of a Nokia Flexi Hopper
outdoor unit is less than 25 W.
The actual power consumption depends on the site equipment and
the power losses caused by the equipment.
TECHNICAL SPECIFICATIONSCapacities
POWER LEVELS
ANTENNA ADJUSTMENT RANGEThank you
