SF (TRUNK)
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
Logical Object: TRUNK
A Signal Fail (SF) condition for the trunk occurs when the quality of an optical signal to the MXP_2.5G_10G,
TXP_MR_10G, TXP_MR_2.5G, TXP_MR_10E, TXP_MR_10E_C, TXP_MR_10E_L, TXPP_MR_2.5G,
GE-XP, 10GE-XP, or ADM-10G card has BER on the incoming optical line that passes the signal fail threshold.
The alarm applies to the card ports and the trunk carrying optical or electrical signals to the card.
Signal fail is defined by Telcordia as a hard failure condition. SF monitors the incoming BER and is triggered
when the BER surpasses the default range.
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
Use of controls, adjustments, or performing procedures other than those specified could result in
hazardous radiation exposure. Statement 1057
Warning
Clear the SF (TRUNK) Condition
SUMMARY STEPS
1. Complete the Clear the SD (TRUNK) Condition, on page 385 procedure.
DETAILED STEPS
Complete the Clear the SD (TRUNK) Condition, on page 385 procedure.
Always use the supplied electrostatic discharge wristband when working with a powered NCS system. Plug
the wristband cable into the ESD jack located on the lower-right edge of the shelf assembly.
Caution
If the condition does not clear, log into the Technical Support Website at http://www.cisco.com/c/en/us/support/index.html
for more information or call Cisco TAC (1 800 553-2447).
SF-L
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
390
Alarm Troubleshooting
SF (TRUNK)
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