Maintaining The Ptx5000 Pic Cables - Juniper PTX5000 Hardware Manual

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Maintaining the PTX5000 PIC Cables

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Copyright © 2017, Juniper Networks, Inc.
Issue the CLI
show chassis fpc pic-status
numbered from through
0
PTX5000 PIC Description on page 99
Maintaining the PTX5000 PIC Cables on page 491
Troubleshooting PTX5000 PICs and PIC Cables on page 529
For optimum performance, verify the condition of the cables.
Use the cable management system (shown in
on page 15) to support cables and prevent cables from dislodging or developing stress
points.
Place excess cable out of the way in the cable management system. Do not allow
fastened loops of cable to dangle from the connector or cable management system,
because this stresses the cable at the fastening point. Putting fasteners on the loops
helps to maintain their shape.
Keep the cable connections clean and free of dust and other particles, which can cause
drops in the received power level. Always inspect cables and clean them if necessary
before connecting an interface.
Label both ends of the cables to identify them.
When you unplug a fiber-optic cable from a transceiver, always place a rubber safety
plug over the transceiver on the faceplate and on the end of the cable.
Anchor fiber-optic cable to avoid stress on the connectors. When attaching fiber to a
transceiver, be sure to secure the fiber so it is not supporting its own weight as it hangs
to the floor. Never let fiber-optic cable hang free from the connector.
Avoid bending fiber-optic cable beyond its bend radius. An arc smaller than a few
inches can damage the cable and cause problems that are difficult to diagnose.
Frequent plugging and unplugging of fiber-optic cable into and out of optical
instruments, such as analyzers, can cause damage to the instruments that is expensive
to repair. Instead, attach a short fiber extension to the optical equipment. Any wear
and tear due to frequent plugging and unplugging is then absorbed by the short fiber
extension, which is easy and inexpensive to replace.
Keep fiber-optic cable connections clean. Small microdeposits of oil and dust in the
canal of the transceiver or cable connector could cause loss of light, reducing signal
power and possibly causing intermittent problems with the optical connection.
PTX5000 PIC Description on page 99
Maintaining the PTX5000 PICs on page 490
command. The PIC slots in an FPC are
, top to bottom.
1
"PTX5000 Cable Management System"
Chapter 35: Maintaining Components
491