User's Manual
Confidential&Proprietary107/122 SC‐DAS
the ROU sends requested status value to the BIU. During reception, RXD LED blinks. During
tramsmission,,TXDLEDblinks.Atthistime,youneedtoseeifwhethertouseacorrespondingROU
ischeckedon
When theARU is connected with the MRU, check if TXD and RXD LEDs at ARU blink. At this time,
checkwhetherexternalcableisconnectedtotheMRUandARU