Maintaining The Acx500 Uplink Ports - Juniper ACX500 Hardware Manual

ACX500 Universal Access Router Hardware Guide
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Maintaining the ACX500 Uplink Ports

Purpose
Action
170
When you unplug a fiber-optic cable, always place a rubber safety plug over the
transceiver on the faceplate and on the end of the cable.
Anchor fiber-optic cables to avoid stress on the connectors. Be sure to secure fiber-optic
cables so that they do not support their own weight as they hang 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 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.
To clean the transceivers, use an appropriate fiber-cleaning device, such as RIFOCS
Fiber Optic Adaptor Cleaning Wands (part number 946). Follow the directions for the
cleaning kit you use.
After you clean an optical transceiver, make sure that the connector tip of the fiber-optic
cable is clean. Use only an approved alcohol-free fiber-optic cable cleaning kit, such as
the Opptex Cletop-S Fiber Cleaner. Follow the directions for the cleaning kit you use.
Routine Maintenance Procedures for the ACX500 Router on page 169
Troubleshooting Resources for ACX500 Routers on page 175
Replacing a Fiber-Optic Cable on page 162
For optimum performance, verify the condition of the uplink ports.
On a regular basis:
Check the port LEDs. The meaning of the LED states differs for various uplink ports.
For more information, see
a port failure, the router generates an alarm message to be sent to the Routing Engine.
A green status LED indicates that the port is functioning normally.
From the CLI, issue the
show chassis fpc pic-status
user@host> show chassis fpc pic-status
Slot 0 Online
PIC 0 Online
PIC 1 Online
"LEDs on ACX500 Routers" on page
2x 1GE(LAN) SFP
4x 1GE(LAN) RJ45, SFP
41. If the router detects
command.
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