中兴ONU一直同步不成功

eleveice

中兴ONU一直同步不成功，OLT是C300, ONU是F643V6
从OLT上debug一直重覆出现以下LOG:
网管上是一直注册中,会是什麽问题？

Mar 7 00:34:08: OMCI:  23438745.44s olt:5 ont:28 OMCC lost
Mar 7 00:34:10: OMCI:  23438748.14s olt:5 ont:28 New ONT
Mar 7 00:34:10: MAC:23438748.14s olt:5 onu:28(1) REPORT OMCC OK
Mar 7 00:34:15: OMCI:  23438753.72s olt:5 ont:28 OMCC lost
Mar 7 00:34:16: OMCI:  23438754.40s olt:5 ont:28 New ONT
Mar 7 00:34:16: MAC:23438754.40s olt:5 onu:28(1) REPORT OMCC OK
Mar 7 00:34:19: OMCI:  23438757.08s olt:5 ont:28 OMCC lost
Mar 7 00:34:19: OMCI:  23438757.53s olt:5 ont:28 New ONT
Mar 7 00:34:19: MAC:23438757.53s olt:5 onu:28(1) REPORT OMCC OK
Mar 7 00:34:31: OMCI:  23438768.93s olt:5 ont:28 OMCC lost
Mar 7 00:34:34: OMCI:  23438771.58s olt:5 ont:28 New ONT
Mar 7 00:34:34: MAC:23438771.58s olt:5 onu:28(1) REPORT OMCC OK
Mar 7 00:34:45: OMCI:  23438783.23s olt:5 ont:28 OMCC lost
Mar 7 00:34:46: OMCI:  23438784.25s olt:5 ont:28 New ONT
Mar 7 00:34:46: MAC:23438784.25s olt:5 onu:28(1) REPORT OMCC OK