To install a QSFP28 transceiver (see Figure 53 on page 124):
1. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of
the strap to the ESD point on the switch.
2. Verify that a rubber safety cap covers the QSFP28 transceiver.
3. Orient the transceiver over the port so that the QSFP28 connector faces the appropriate direction.
Figure 53: Installing a QSFP28 Transceiver
g100161
Locking pin
Ejector tab
4. Slide the transceiver into the slot until the locking pins lock in place. If there is resistance, remove the
transceiver and flip it so that the connector faces the other direction.
5. Remove the rubber safety cap from the transceiver and the end of the cable, and insert the cable into
the transceiver.
WARNING: Do not look directly into a fiber-optic transceiver or into the ends of
fiber-optic cables. Fiber-optic transceivers and fiber-optic cable connected to a
transceiver emit laser light that can damage your eyes.
CAUTION: Do not leave a fiber-optic transceiver uncovered except when inserting
or removing cable. The safety cap keeps the port clean and prevents accidental
exposure to laser light.
6. If there is a cable management system, arrange the cable in the cable management system to prevent
the cable from dislodging or developing stress points. Secure the cable so that it does not support its
own weight as it hangs to the floor. Place excess cable out of the way in a neatly coiled loop in the
cable management system. Placing fasteners on the loop helps to maintain its shape.
124
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