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Connecting Ethernet cables
Connecting a copper Ethernet port
The copper Ethernet ports on the device and 10/100/1000BASE-T ports on the interface modules
available for the device are MID/MDIX autosensing. You can use either a straight-through or a
cross-over network cable to connect a copper Ethernet port. For more information about Ethernet
twisted pair cables, see "Ethernet twisted pair cable."
To connect a copper Ethernet port:
1.
Connect one end of the Ethernet cable to the copper Ethernet port of the device, and the other
end to the Ethernet port of the peer device.
2.
Examine whether the LEDs of the Ethernet port are normal. For more information about LEDs,
see "Appendix B LEDs."
After connecting the device to the network, you can use the
examine network connectivity. For more information, see the related command reference.
Connecting a fiber port
WARNING!
Disconnected optical fibers or transceiver modules might emit invisible laser light. Do not stare into
beams or view directly with optical instruments when the switch is operating.
CAUTION:
• Never bend or curve a fiber excessively. The bend radius of a fiber must be not less than 100 mm
(3.94 in).
• Keep the fiber end clean.
• Make sure the fiber connector matches the transceiver module.
• Before connecting a fiber, make sure the optical receive power does not exceed the transceiver
module's upper threshold. If the threshold is exceeded, the transceiver module might be
damaged.
• Before installing a transceiver module in a fiber port, remove the optical fibers, if any, from the
transceiver module.
• To connect a fiber port by using an optical fiber, first install a transceiver module in the port and
then connect the optical fiber to the transceiver module.
• Attach a dust cap to any open optical fiber connector and a dust plug into any open fiber port or
transceiver module port to protect them from contamination and ESD damage.
• Make sure the Tx and Rx ports on a transceiver module are connected to the Rx and Tx ports on
the peer end, respectively.
The device supports GE SFP transceiver modules, 10GE SFP+ transceiver modules, and 40GE
QSFP+ transceiver modules. For the transceiver module specifications, see "GE fiber Ethernet port",
"10 GE fiber Ethernet port" and "40 GE fiber Ethernet port."
No transceiver module is provided with the device. As a best practice, use H3C transceiver modules.
2-9
ping
or
tracert
command to
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