Installation Manual

Table Of Contents
Product Glossary - R0.1 glossary-11
CONFIDENTIAL & PROPRIETARY
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GPIO
General Purpose Input/Output. Input/output ports on the IFU that provide
external control of equipment or detection and generation of external alarms.
Each IFU contains four GPIO ports (two input-only and two output-only).
H
histogram
A graphical representation of the distribution of a performance parameter. For
example, a histogram can show the value and proportion of time a particular
transmit power is used on a link.
hop distance
The distance between two communicating IFUs. One objective in network
design is to design link hop distances so that the RF path loss does not exceed
the path loss allowance for the required availability or grade of service.
HP OpenView
Hewlett Packards network management product consisting of a suite of
software tools that enable network operations staff to manage the elements in
a network. HP OpenView Network Node Manager and the IFU Link
Manager software provide complete element management functions for an
IFU network.
hub
A location in a network where data is aggregated and forwarded to its
destination. A hub contains a switch and a router.
I
IFU
Invisible Fiber unit. Outdoor fixed-wireless device, designed to fiber-optic
specifications, that combines antenna, transceiver, modem, and controller
modules to transport high-bandwidth network-grade broadband telephony and
data services.
IFU Link Manager
Triton Network Systems software application that provides fault,
performance, configuration, and security management functions, enabling
onsite technicians and network management staff to configure and monitor
IFUs.
ILEC
Incumbent Local Exchange Carrier. Generic term for the carrier that
telephone company in the U.S. that was providing local service when the
Telecommunications Act of 1996 was enacted.