Cisco NCS 2000 series Troubleshoot Manual

Step 3 If the alarm does not clear and fiber has been repaired, perform the repair again with new fiber if necessary. For fibering
procedures, refer to the Turn Up a Node chapter in the Configuration guide. If the alarm does not clear, go to Step 4, on
page 359.
Invisible laser radiation could be emitted from the end of the unterminated fiber cable or connector. Do
not stare into the beam directly with optical instruments. Viewing the laser output with certain optical
instruments (for example, eye loupes, magnifiers, and microscopes) within a distance of 100 mm could
pose an eye hazard. Statement 1056
Warning
Before disconnecting any optical amplifier card fiber for troubleshooting, ensure that the optical amplifier card
is unplugged.
Note
Step 4 If a maintenance operation has not been recently executed on the network, the alarm indicates that the network has
consumed all of its allocated aging margins.
If the alarm does not get cleared, you need to report a Service-Affecting (SA) problem. Log into the Technical Support
Website at http://www.cisco.com/c/en/us/support/index.html for more information or log into http://www.cisco.com/c/
en/us/support/web/tsd-cisco-worldwide-contacts.html to obtain a directory of toll-free Technical Support numbers for
your country.
PPR-BDI
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
Logical Objects: TRUNK
The Path Protection Regen -Backward Defect Indication (PPR-BDI) alarm occurs in OTU2_XP cards when
the card is used as a regenerator in standard regen or enhanced FEC modes and Proactive Protection Regen
is enabled. The alarm occurs when the downstream router triggers a PF-BDI signal.
Clear the PPR-BDI Condition
SUMMARY STEPS
1. To clear the PPR-BDI condition, clear the PPR-FDI and PPR-TRIG-EXCD alarm on the OTU2_XP card.
DETAILED STEPS
To clear the PPR-BDI condition, clear the PPR-FDI and PPR-TRIG-EXCD alarm on the OTU2_XP card.
If the problem does not clear, see to the CRS documentation for more information.
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
359
Alarm Troubleshooting
PPR-BDI

Cisco NCS 2000 series Specifications

General

Brand	Cisco
Model	NCS 2000 series
Category	Network Hardware
Language	English