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Remote Connections with Fiber Cable
Fiber optic technology allows for longer cabling than any other media type. A
1000BASE-SX (MMF) link can connect to a site up to 550 meters away, a
1000BASE-LX (SMF) link up to 5 km, and a 1000BASE-LH link up to 70 km. This
allows the switch to serve as a collapsed backbone, providing direct connectivity for
a widespread LAN.
A 1000BASE-SX SFP transceiver can be used for a high-speed connection between
floors in the same building, a 1000BASE-LX SFP can be used to connect to other
buildings in a campus setting, and a 1000BASE-LH SFP transceiver can be used for
a long-haul connection to a remote site.
The figure below illustrates an ES3628EA switch connecting multiple segments with
fiber cable.
Figure 2-3 Remote Connection with Fiber Cable
Server Farm
10/100/1000 Mbps Segments
...
...
Remote Switch Remote Switch
1000BASE-LX SMF
(5 kilometers)
1000BASE-SX MMF
(500 m)
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789101112192021222324
Clear
Reset
Self
Test
Self
Test
Fan
Status
Fan
Status
Link
Act
Act
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Act
Act
Console
Console
Power
Fault
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789101112192021222324
Clear
Clear
Reset
Self
Test
Self
Test
Fan
Status
Fan
Status
Link
Link
Act
Link
Link
Act
Console
Power
Fault
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678910
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2019
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Console
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Power
RPS
Diag
ES3628EA