User`s manual

5620 Model Descriptor for LA-110 User’s Manual Chapter 4 Port Configuration and Monitoring
SHDSL Port Monitoring 4-69
Figure 4-46. SHDSL Port – ATM Layer – TC Sublayer Faults Statistics
Table 4-36. SHDSL Port – ATM Layer – TC Sublayer Faults Statistics Parameters
Parameter Remarks
Port The selected port
SHDSL
Read-only
Type The interface type
ATM
Read-only
OCD Events The number of times the Out of Cell Delineation (OCD) events occur. If seven
consecutive ATM cells have Header Error Control (HEC) violations, an OCD event
occurs. A high number of OCD events may indicate a problem with the TC Sublayer.
Read-only
TC Alarm State This variable indicates if there is an alarm present for the TC Sublayer. The value
lcdFailure indicates that a Loss of Cell Delineation (LCD) failure state has been declared
for the TC Sublayer. Transition from failure to the no alarm state occurs when six
consecutive ATM cells are received with valid HEC, followed by about 10 seconds of
acceptable working signal.
No Alarm
LCD Failure
Read-only