Magnum DS80 Dual-Speed Personal Hub Installation and User Guide (11/98)
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Fan cooled operation for high reliability
A small (6mm) quiet fan inside of the DS80 keeps the 100Mb electronics cool
for longer life without failure, and for operation in very warm ambient
temperatures.
2.6
Applications
Example 1 :
A Magnum DS80 Personal Hub serves a small office with mixed speed
requirements. Some users operate at 100Mbps, and some users and utility devices (such
as print servers) run at 10Mbps. All share the same hub, and communicate to each
other via the bridge chip inside. Any node can change speed at any time without
affecting network operation or impacting other users.
Figure 2.7.1 : DS80 connects combinations of 10 Mbps and100Mbps network
devices
Example 2 :
Where there are existing 10 Mbps hubs and users, they can easily be
cascaded into any port of the DS80. This allows simple plug-and-play addition of
100Mbps ports to an existing 10 Mbps network without having to change it. Nodes that
are capable of 100Mbps speed can be moved to any DS80 dual-speed port, and will
automatically operate at the higher speed. The dual-speed ports on the DS80 can be
used for adding 100Mbps users or for accommodating existing high performance users.
The 100Mbps traffic does not use the bandwidth of the 10 Mbps domain, so overall
performance of the network is improved.
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COL
PWR
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100M LINK/ACT
10M LINK/ACT
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M a g n u m D S 8 0 D u a l - S p e e d
Personal Hub
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Print Server
Router
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Users
Server
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100
100
100
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