RAD Data comm Modular Access Device with Integrated Router, E1/T1 Interval Parameters

FCD-IPMInstallation and Operation ManualChapter 4 Configuration

Interval Parameters

	Table 4-10. Interval Parameters
Parameters	Description
Current Errored Seconds (ES)	An errored second is any second containing one or more CRC error
	events, one or more OOF events, or one or more controlled slip
	events.
Unavailable Seconds Out-Of-	An unavailable second out-of-frame is any second in which a failed
Frame (UAS)	signal state exists. A failed signal state is declared when 10 consecutive
	severely errored seconds (SES) occur, and is cleared after 10
	consecutive seconds of data are processed without a SES.
Severely Errored Seconds	A SES is a second with 832 or more CRC error events, or one or more
(SES)	OOF events.
Bursty Errored Seconds Out-	A BES is a second with 2 to 831 CRC error events.
Of-Frame (BES)
Current Loss of Frame	The loss of frame (LOF) counter counts the loss of frame alignment
Counter (LOFC)	events.
Current Slip Second Counter	A CSS is a second with one or more controlled slip events.
(CSS)
Degraded Minutes (DM)	The total number of degraded minutes in the current 24-hour interval.
	A degraded minute is a minute in which the bit error rate (BER)
	exceeded 1x10-6. This number is updated every minute.

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