Juniper MX2020 Hardware Manual page 578

CAUTION:
inserting or removing cable. The safety cap keeps the port clean and prevents
accidental exposure to laser light.
9. Insert the appropriate cables into the cable connectors on the MIC.
10. Arrange each cable to prevent the cable from dislodging or developing stress points. Secure the cable
so that it is not supporting its own weight as it hangs to the floor. Place excess cable out of the way in
a neatly coiled loop.
CAUTION:
allow fastened loops of cable to dangle, which stresses the cable at the fastening
point.
CAUTION:
An arc smaller than a few inches in diameter can damage the cable and cause
problems that are difficult to diagnose.
11. Use one of the following methods to bring the MIC online:
Press the MIC offline/online button until the MIC OK/FAIL LED lights green.
Issue the following CLI command:
user@host> request chassis mic fpc-slot fpc-slot mic-slot mic-slot online
The normal functioning status LED confirms that the MIC is online. You can also verify correct MIC
functioning by issuing the show chassis fpc pic-status command described in
MICs" on page 525.
SEE ALSO
Prevention of Electrostatic Discharge Damage | 770
Removing an MX2020 MIC | 553
Installing an MX2020 MIC | 555
Do not leave a fiber-optic transceiver uncovered except when
Do not let fiber-optic cable hang free from the connector. Do not
Avoid bending fiber-optic cable beyond its minimum bend radius.
"Maintaining MX2020
560