3Com S24x, S27x, S26x installation manual Threshold Value-SES

Configuring Channelized Data

Threshold Value-SES

Range:	1 to 255
Default:	10
Description:	Specifies the number of errors that must occur within a fixed
	15- minute window before an alarm is declared. This is based on
	the threshold value for Severely Error Seconds.
	Severely Errored Seconds for ESF signals have:
	• 320 or more path code violation error events
	• one or more out-of-frame defects
	• a detected alarm indication signal defect
	Severely Errored Seconds for E1-CRC signals have:
	• 832 or more path code violation error events
	• one or more out-of-frame defects
	Severely Errored Seconds for E1-noCRC signals have:
	• 2048 line coding violations or more
	Severely Errored Seconds for D4 signals have:
	• a count of one-second intervals with framing error events
	• an out-of-frame defect
	• 1544 line coding violations or more
	Controlled slips are not included; BES is not incremented during
	an unavailable second.
Threshold Value SEFS
Range:	1 to 255
Default:	1
Description:	Specifies the number of errors that must occur within a fixed
	15- minute window before an alarm is declared. This is based on
	the threshold value for Severely Error Framing Seconds, which
	have:
	• one or more out-of-frame defects
	• a detected alarm indication signal defect

5-16 Channelized Data