Cisco NCS 2000 series Troubleshoot Manual

Clear the SYNCSEC Alarm
SUMMARY STEPS
1. In node view (single-shelf mode) or shelf view (multishelf mode), click the Provisioning > Timing >
General tabs.
2. Verify the current configuration of REF-2 for the NE Reference.
3. If the secondary reference is a BITS input, complete the Clear the LOS (BITS) Alarm, on page 274
procedure.
4. Verify that the BITS clock is operating properly.
5. If the secondary timing source is an incoming port on the system, complete the Clear the LOS (OCN/STMN)
Alarm procedure located in the Alarm Troubleshooting chapter of the Troubleshooting guide.
DETAILED STEPS
Step 1 In node view (single-shelf mode) or shelf view (multishelf mode), click the Provisioning > Timing > General tabs.
Step 2 Verify the current configuration of REF-2 for the NE Reference.
Step 3 If the secondary reference is a BITS input, complete the Clear the LOS (BITS) Alarm, on page 274 procedure.
Step 4 Verify that the BITS clock is operating properly.
Step 5 If the secondary timing source is an incoming port on the system, complete the Clear the LOS (OCN/STMN) Alarm
procedure located in the Alarm Troubleshooting chapter of the Troubleshooting guide.
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).
SYNCTHIRD
Default Severity: Minor (MN), Non-Service-Affecting (NSA)
Logical Objects: EXT-SREF, NE-SREF
A Loss of Timing on Third Reference alarm occurs when the NCS system loses the third timing source
(reference 3). If SYNCTHIRD occurs and the NCS system uses an internal reference for source three, the
control card could have failed. The NCS system often reports either the FRNGSYNC , on page 207 condition
or the HLDOVRSYNC , on page 226 condition after a SYNCTHIRD alarm.
Clear the SYNCTHIRD Alarm
SUMMARY STEPS
1. In node view (single-shelf mode) or shelf view (multishelf mode), click the Provisioning > Timing >
General tabs.
2. Verify that the current configuration of REF-3 for the NE Reference. For more information about references,
refer to the Timing chapter in the Configuration guide.
3. If the third timing source is a BITS input, complete the Clear the LOS (BITS) Alarm, on page 274 procedure.
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
412
Alarm Troubleshooting
Clear the SYNCSEC Alarm

Cisco NCS 2000 series Specifications

General

Brand	Cisco
Model	NCS 2000 series
Category	Network Hardware
Language	English