This read-only PerfTotalCount reports the count of unaligned frames received on the DSL port, scoped to the running total for the current calendar day so far. Operationally, alignment errors mean incoming bits aren't lining up on proper frame boundaries, typically caused by line noise or synchronization problems. For example, an admin checking today's running alignment-error total partway through the day can decide whether to dispatch a technician now or wait to see the full-day picture.