Packet Tab738eHEC Extension-Header Error Check error status LEDIndicates that one or more Correctable or UncorrectableeHEC errors were detected.tHEC Type-Header Error Check error status LEDIndicates that one or more Correctable or UncorrectabletHEC errors were detected.pFCS Payload-Frame Check Sequence error status LEDsFCS Superblock-Frame Check Sequence error status LEDGFP-T mode onlyFCS Frame Check Sequence error status LEDPAT SYNC Pattern Synchronization alarm status LEDIndicates a loss of pattern synchronization in at least oneof the 4 streams. This is an alarm LED.BIT ERR Bit error status LEDIndicates a detected BIT error in at least one of the 4streams.SEQ ERR Sequence error status LEDIndicates a sequence error detected in at least one of the4 streams.GFP - Specific TasksGFP (Generic Frame Protocol) - Specific Tasks Overview(Specifically for GFP testing on the Packet tab)This section includes tasks that are specific to testing GFP mappings from OTN andSONET/SDH.For a description of specific screens and their functionality, refer to GFP ScreenFunctions and Descriptions Overview.MPA_e_manual_D07-00-129P_RevA00