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UDP (User Datagram Protocol)
Abbreviation of User Datagram Protocol, which is
a TCP/IP transaction protocol used for specific
applications such as remote network management
and naming service access
Unicast
Communication with a station at a single address
(i.e., most general one-to-one communication)
UTP Cable
Abbreviation of unshielded twisted pair. It is a
unshielded pair of wires twisted together, and
these wires are used for Ethernet cabling and
other purposes.
10BASE-T
LAN that uses unshielded twisted-pair (UTP)
cables and complies with the IEEE 802.3
standard.
A 10BASE-T connection uses a
concentrator called a hub.
because special cabling work is not necessary
and wiring can be done easily. The maximum
length of cable wiring is 100 m.
100BASE-TX
One of the 100BASE LAN standards (also
called Fast Ethernet), it supports a transfer rate
of 100 Mbps. Other 100BASE standards are
10BASE-T4 and 100BASE-FX, and the differ-
ence is the type of cable used. 100BASE-TX
uses unshielded twisted-pair (UTP) cables. It
also uses the RJ-45 connector, which is similar
to the modular jacks used for telephones.
1000BASE-T
One of the Gigabit Ethernet standards.
standardized as IEEE802.3ab in 1999, uses the
UTP cables of the category 5 (CAT5) and the
enhanced category (CAT5e).
transmission distance is 100m and it supports
the topology of the hubbing, star and so on.
It is widely used
It
The maximum
89
Glossary and Index
IP-9500e
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