NEC IP8800/S2400 Series Troubleshooting Manual page 184

3.
Troubleshooting Functional Failures in Operation
No. BSU Operation
Status
4 notconnect
5 initialize
6 disable
122
Problem
The BSU is not installed.
The BSU is being initialized.
no power enable is set by
configuration command.
Action
Check if as many BSU boards as required for active
BSU + standby BSU (if standby BSU is not required,
only active BSU) are installed. If installed, no action is
required. If not so, install the required number of BSU
boards.
Wait until initialization completes.
After checking that the BSU board to be used is
installed, use configuration command power
enable to make the BSU active, standby hot,
standby cold status, or standby cold status2.