Performing an Sonet Alarm Scan

Making Measurements

Performing an SONET Alarm Scan

Description SONET Alarm Scan tests each channel for alarm free operation and identiﬁes and indicates any Unequipped channels.

You can conﬁgure the Scan to check for the occurrence of any Path layer CV errors above a chosen threshold.

The channel in which an alarm occurred is highlighted if any of the following alarms occur:

STS SPE: LOP-P, RDI-P, AIS-P,

VT-1.5:LOP-P, AIS-P, RDI-P, H4 LOM, LOP-V, AIS-V, RDI-V

TIP:The SONET Alarm Scan display can be logged to the chosen logging device. See "Logging on Demand " page 110.

HOW TO:	1	Set up the receive SONET interface and payload as required. See
		“Setting SONET Receive Interface” page 17.
	2	Choose			on the RESULTS display.
			SONET ALM SCAN
	3	Choose AUTO or RX SETTINGS.
		RX SETTINGS: The scan checks the structure set on the RECEIVE
		SONET		display.
		AUTO: The scan checks the structure being received. This can be
		particularly useful when receiving mixed payloads.
	4	Choose the CV error threshold.
	5	Choose START to start the Alarm Scan.

HP BER 718 37718A manual Performing an Sonet Alarm Scan