IBM 315, Дополнение к руководству по техническому обслуживанию оборудования, Страница: 29 / 151

Fast Ethernet Hubs
New hubs are available to support a variety of Fast
Ethernet LAN configurations. These hubs can be divided
into two basic types: shared and switched. 100/10 PCI
Ethernet adapters can be used with either type of hub for
10 Mbps or 100 Mbps operations.
Shared Hubs:
In a shared network environment,
servers are connected to hubs. A repeater is built into
each port of the hub. All ports of the repeater hub share a
fixed amount of bandwidth, or data capacity. A 100 Mbps
shared hub means that all nodes on the hub must share
the 100 Mbps or bandwidth. As stations are added to the
hub, the effective bandwidth available to any individual
station becomes smaller.
All nodes must operate at the same speed, either 10 Mbps
or 100 Mbps. Fast Ethernet repeaters provide 100 Mbps
of available bandwidth, ten times more than what is
available with a 10 BASE-T repeater.
Repeaters use a well established, uncomplicated design,
making them highly cost-effective for connecting
workstations in a workgroup.
PC Server 315 - Type 8638
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