Juniper EX4500 Hardware Manual page 232

CAUTION:
third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC)
can help you diagnose the source of the problem. Your JTAC engineer might recommend
that you check the third-party optic or cable and potentially replace it with an equivalent
Juniper Networks optic or cable that is qualified for the device.
Before you install a transceiver in a device, ensure that you have taken the necessary precautions for safe
handling of lasers (see "Laser and LED Safety Guidelines and Warnings" on page
Ensure that you have a rubber safety cap available to cover the transceiver.
To install a QSFP28 transceiver (see
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 in front of the port so that the QSFP28 connector faces the appropriate direction.
Figure 73: Install a QSFP28 Transceiver
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:
fiber-optic cables. Fiber-optic transceivers and fiber-optic cable connected to a
transceiver emit laser light that can damage your eyes.
If you face a problem running a Juniper Networks device that uses a
Figure 73 on page
Locking pin
Do not look directly into a fiber-optic transceiver or into the ends of
232):
291).
232