Nokia MetroHopper User Manual page 129

The indoor unit is installed in, for example, a base station cabinet or a 19-inch
rack.
interleaving Distribution of symbols in one block over a plurality of adjacent blocks, whereby
burst errors can be corrected more effectively than without interleaving.
2-depth interleaving: symbols are distributed over two blocks.
4-depth interleaving: symbols are distributed over four blocks.
loop protection
Protection method where traffic is routed via two routes around a ring.
Loop protection protects against hardware faults as well as disturbances in the
propagation path.
loop to
Method for testing the operation of an interface in which a signal transmitted from
equipment an interface of the equipment is connected back to the equipment.
loop to interface
Method for testing the operation of an interface in which a signal fed into an
interface is connected to the output of the same interface.
loopback
See loop to equipment and loop to interface.
microwave radio
Radio equipment for establishing an aligned and fixed radio connection between
two points.
network element;
Telecommunication equipment having capability for surveillance, reporting and/
NE
or control. Identified by a unique management address. Also called a node.
Nokia Q1 network element contains two or more functional entities. FE number
zero refers to the whole network element.
Network System for controlling and monitoring the resources of a telecommunications
Management
network and recording their use and performance, in order to provide
System; NMS
telecommunication services.
node
See network element.
node manager PC software application which allows the user to manage individual network
elements.
Nokia Nokia's family of Flexbus-compatible microwave radios for the 13, 15, 18, 23,
FlexiHopper
26, and 38 GHz frequency bands.
The radio transmission capacity of Nokia FlexiHopper can be selected using
software (from 2 x 2 Mbit/s to 16 x 2 Mbit/s). FlexiHopper outdoor unit can be
used with different indoor units (FIU 19, RRIC, FC RRI, and FXC RRI).
Nokia Hopper PC software application for managing Nokia FlexiHopper and Nokia
Manager
MetroHopper radios connected to FIU 19 or RRIC indoor units.
8 (10) © Nokia Networks Oy
Glossary
DN99593058
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