User Documentation
2053260000/05/2015156
Glossary
Remote management
Remote management of a switch is undertaken by every network station tted
with Telnet or web browsers. It requires every switch to have its own IP address.
Repeater
A repeater is an active component which handles regeneration functions in
Ethernet LANs, i.e. amplies and processes signals.
Repeating hub
A repeater with more than two ports (is also simplied to hub)
RJ45 / RJ-45
The RJ45 plug-in system is an eight-pole miniature plug-in system for use in
connections with STP and UTP cables, described by IEC 60603-7. RJ45 is
characterised by its compactness and simplicity. It is used predominantly in
horizontal wiring and wiring workstations.
SC duplex
SC duplex is a form of plug for bre-optic cables for simply plugging and
disconnecting. It features small dimensions and a high packing density. It is
described in IEC 61754-4 and is used with singlemode and multimode bres.
SC-RJ
The SC-RJ plug-in connector is an even smaller SC plug-in connector. The
connector face is described in IEC 61754-24. It is used in singlemode,
multimode and POF bres.
Segment
In networks, a segment is part of a network limited by bridges, routers or
switches. In LANs, we talk of a LAN segment or a collision domain.
Slot time
An important Ethernet parameter. The slot time corresponds to twice the signal
dispersion speed between the two furthest apart network stations and the
minimum packet length of 64 bytes. The longer the slot time, the lower the
Ethernet performance.