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Connecting the Switch to the Network
Connecting Interface Ports to Other Devices
After you perform the initial configuration for the switch and create a management connection, you are ready
to connect the interface ports on the switch to other devices. Depending on the types of interface ports on the
switch, you will need to use interface cables with QSFP+, SFP+, or SFP transceivers or RJ-45 connectors to
connect the switch to other devices.
The transceivers used with many fiber-optic cables come separated from their cables. To prevent damage to
the fiber-optic cables and their transceivers, we recommend that you keep these transceivers disconnected
from their fiber-optic cables when installing the transceiver in the interface port. Before removing a transceiver
for a fiber-optic cable, you must remove the cable from the transceiver.
To maximize the effectiveness and life of your transceivers and optical cables, do the following:
• Wear an ESD-preventative wrist strap that is connected to an earth ground whenever handling transceivers.
• Do not remove and insert a transceiver more often than is necessary. Repeated removals and insertions
• Keep the transceivers and fiber-optic cables clean and dust free to maintain high signal accuracy and to
• Clean these parts before installation to prevent dust from scratching the fiber-optic cable ends.
• Clean the connectors regularly; the required frequency of cleaning depends upon the environment. In
• Do not touch the ends of connectors. Touching the ends can leave fingerprints and cause other
• Inspect routinely for dust and damage. If you suspect damage, clean and then inspect fiber ends under
Statement 1051—Laser Radiation
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams
or view directly with optical instruments.
Installing SFP+ and SFP Transceivers
Note
Excessively removing and installing an SFP or SFP+ transceiver can shorten its life. Unless it is absolutely
necessary, do not remove and insert SFP or SFP+ transceivers. To prevent damage to an optical cable and
transceiver, we recommend that you disconnect cables before installing or removing transceivers.
The switch is typically grounded during installation and provides an ESD port to which you can connect
your wrist strap.
can shorten its useful life.
prevent damage to the connectors. Attenuation (loss of light) is increased by contamination and should
be kept below 0.35 dB.
addition, clean connectors if they are exposed to dust or accidentally touched. Both wet and dry cleaning
techniques can be effective; refer to your site's fiber-optic connection cleaning procedures.
contamination.
a microscope to determine if damage has occurred.
Connecting Interface Ports to Other Devices
Cisco Nexus 3600 Hardware Installation Guide
23
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