Connect Interface Ports; Connect A Fiber-Optic Port To The Network; Disconnect Optical Ports From The Network - Cisco NCS 540 Hardware Installation Manual

Connect Interface Ports

c) Slide the transceiver out of the socket.
Figure 20: Removing the 100-Gigabit QSFP28 Transceiver Module
Step 4 Place the QSFP+ or QSFP28 transceiver module into an antistatic bag.

Connect Interface Ports

You can connect optical interface ports on line cards with other devices for network connectivity.

Connect a Fiber-Optic Port to the Network

Depending on the line card model that you are using, you can use either QSFP+ or QSFP28 transceivers.
Some transceivers work with fiber-optic cables that you attach to the transceivers and other transceivers work
with pre-attached copper cables. When installing fiber-optic cables for a port, you must install SFP transceivers
for 1-Gigabit optical ports or install SFP+ transceivers for 10-Gigabit optical ports or QSFP+ transceivers for
100-Gigabit ports before installing the fiber-optic cable in the transceivers.
Caution
Removing and installing a transceiver can shorten its useful life. Do not remove and insert transceivers any
more than is absolutely necessary. We recommended that you disconnect cables before installing or removing
transceivers to prevent damage to the cable or transceiver.

Disconnect Optical Ports from the Network

When you need to remove fiber-optic transceivers, you must first remove the fiber-optic cables from the
transceiver before you remove the transceiver from the port.
Cisco NCS 540 Router Hardware Installation Guide
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Install the Device