M
AKING
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C
ONNECTIONS
4-6
3. Connect one end of the cable to the SC port on the switch and
the other end to the SC port on the other device. Since SC
connectors are keyed, the cable can be attached in only one
orientation.
Figure 4-3. Making SC Port Connections
4. As a connection is made, check the Activity LED on the
switch’s front panel for the corresponding module to be sure
that the connection is valid.
Note: If you use the optional SC-ST Converter, be sure to connect
the converter’s Tx (Rx) port to the Rx (Tx) port on the other
device.
The 100BASE-FX fiber optic ports operate only at 100 Mbps, full
duplex. You can run a single-mode fiber link up to 20 kilometers
(12.43 miles). However, note that power budget constraints must
also be considered when calculating the maximum cable length for
your specific environment.
The 1000BASE-SX and 1000BASE-LX fiber optic ports operate
at 1 Gbps full duplex, with auto-negotiation of flow control. The
maximum length for fiber optic cable operating at Gigabit speed
will depend on the fiber type as listed under “1000 Mbps Gigabit
Ethernet Collision Domain” on page 2-5.
SC fiber connector
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