User guide

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G-5
Netelligent 1108 100Base-TX Repeater User Guide
Writer: Chris Seiter Project: Glossary Comments: 185813-002/707085-001
File Name:MIC100_G.DOC Last Saved On:3/13/96 11:18 AM
partition
The electrical disconnecting of a node from a LAN at its point of
connection to a repeater. The node remains physically attached.
Protocol Data Unit (PDU)
A packet that contains control information and optional data.
plenum cord
Communications cord with fire-retardant insulation, generally used in
suspended ceilings and other places where air circulates back to the
building's air-conditioning system.
Port
An external connector used to connect PCs and other node devices to
the network.
repeater
A device that provides connectivity between data terminal equipment.
Localizes the connections for multiple network nodes. A repeater is
sometimes called a concentrator.
RS-232
Recommended standard 232 defines a standard way of transferring
serial information by wire using single-ended line drivers and
receivers. RS-232 lines generally include transmit, receive, ground, and
various control lines.
RS-485
Recommended standard 485 defines a standard way of transferring
serial information by wire using differential line drivers and receivers.