This attribute indicates the total number of C-Bit Parity Severely
Errored Seconds (CSES). A CSES is declared for second intervals
containing more than 44 CCVs or one or more SEF or AIS defects.
The occurrence of CSES in a one second interval causes the
inhibition of CCV counting during that second interval. CSES
counting is also inhibited for second intervals where C-Bit
Unavailable Seconds (CUAS) are counted.