Sagem 4450E B.Glossary

SAGEM 3P@C

B.Glossary

This section gives a brief description of some terms.

Terms	Definition
Backbone	The network that serves as the main path for traffic transmission
	between network segments.
Bandwidth	Frequency bandwidth of the network channel, which usually means
	the data transmission capability of the network channel.
10Base-T	An abbreviated term in IEEE 802.3, which refers to the 10Mbps
	Ethernet over Category-3 or better twisted pair based on
	Manchester signal coding.
100Base-TX	An abbreviated term in IEEE 802.3, which refers to the 100Mbps
	fast Ethernet over two Category-5 twisted pairs based on 4B/5B
	signal coding.
100Base-FX	An abbreviated terminology as given in IEEE 802.3, indicating 100
	Mbps fast Ethernet over optical fiber cables based on 4B/5B signal
	coding.
1000Base-LX	An abbreviated terminology as given in IEEE 802.3, indicating 1000
	Mbps Ethernet over the long wavelength optical fibers based on
	8B/10B signal coding.
1000Base-SX	An abbreviated terminology as given in IEEE 802.3, indicating
	1000Mbps Ethernet over short wavelength optical fibers based on
	8B/10B signal coding.
Auto	The auto negotiation mode means the interface automatically
negotiation	adjusts its speed to the highest public level, that is, the fastest
	possible speed and duplex mode between the two ends of the line,
	according to the connection rate and duplex mode of the equipment
	on the other end.
Full-duplex	A communication method, which permits simultaneously receiving
	and sending data.
Semi-duplex	A communication method, which only permits either data sending or
	receiving at a moment.
Collision	Normal event on the Ethernet in semi-duplex working mode, which
	indicates two or more sites access the same channel
	simultaneously.
Broadcast	A large amount of broadcast frames on the Ethernet causes network
storm	congestion and thus leads to network failure.
RJ-45	A kind of 8-pin module connector for twisted pair links.
MDI	Medium-related interface, which is the name of the connector for
	establishing physical and electrical connections between the
	transceiver and medium segments.
MDIX	Crossed medium-related interface, which sends the signal from one
	equipment to the signal-receiving side of the other equipment and
	vise versa.
SNMP	Simple Network Management Protocol
STP	Spanning Tree Protocol
VLAN	Virtual LAN

3P@C Installation Manual

Reproduction and communication in any form prohibited without the written permission of SAGEM SA