Boca BocaNET-24, Руководство по установке

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Coaxial Cable. Coaxial Cable.
Coaxial Cable. Coaxial Cable.
Coaxial Cable.
Data transmission medium with a single-wire conductor
insulated from electro-magnetic and radio frequency interference.
Concentrator Concentrator Concentrator Concentrator Concentrator..... See hub.
CSMA/CD CSMA/CD CSMA/CD CSMA/CD CSMA/CD . Carrier Sense Multiple Access with Collision Detection.
CSMA/CD is the access method used in Ethernet where nodes contend
for the right to send data.
DMA. DMA.
DMA. DMA. DMA. Direct Memory Access. DACK stands for Dma ACKnowledge
and DRQ for Dma ReQuest. DMA provides direct access to system
memory without adding to CPU overhead. The DACK and DRQ
channels govern that communication.
Ethernet. Ethernet.
Ethernet. Ethernet.
Ethernet.
A 10 megabits-per-second baseband, CSMA/CD network
originally designed by the Xerox Corporation.
File Server File Server File Server File Server File Server . A device on a LAN that provides mass storage of files. A file
server can be dedicated (only performs network management functions)
or non-dedicated (where user applications can co-exist while the
network is available.
Hub Hub
Hub Hub Hub . A concentrator or repeater in a star topology at which node
connections meet.
Jabber Jabber
Jabber Jabber
Jabber..... This occurs when there are excessively long data packets being
transmitted from the node (i.e., workstation, server). At that point, the
hub, or concentrator, partitions (isolates) the node from the network until
the condition is corrected.
LED. LED. LED. LED. LED. Light-emitting diode.
Network topology Network topology Network topology Network topology Network topology..... The arrangement of nodes usually forming a star,
ring, tree, or bus pattern.
Node. Node.
Node. Node. Node. Any device including servers and workstations connected to a
network; also the point where devices are connected.
9379.p65 1/28/99, 2:51 PM 45