bb

and connect the fiber cables from RRUs to it only but some BB5216 come and it's configuration is not completed or wrong if we run the TCU script on the TCU but the BB5216 data port not opened (port between BB5216 (and TCU the first thinking about the problem is to replace the fiber connection between TCU and BB5216 but the problem may be not in the cable and may be in the configuration (may be the data port of BB5216 (TNB still not opened :the following steps to check on the port First login the BB using Element manager Luncher after connected on the BB5216 write the following commands

get ethernetport=TN_B This command will display all details about TN_B we will concerned on two points only

Administative state: locked or unlocked Operational state:disabled or enabled If Admin state is locked and Operational state is disabled then the TNB port is close :to open it write the following command

deb ethernetport=TN_B

After that the port will be unlocked and enabled