Fujitsu M10-4 Service Manual page 324

5.
Stop the entire system.
For details, see
6.
Turn off the circuit breaker switches (CB switches) of the dedicated power
distribution unit (PDU) mounted on the rack for expanded connection.
Open the rear door of the rack, and pull up all the CB switches on the PDU. The
switches are off when they stay pulled up.
For details on the CB switches, see
distribution
16.4 Removing a Crossbar Unit
This section describes the procedure for removing a crossbar unit.
Enable the removal of the crossbar box before attempting to remove it. For details,
see "16.3 Enabling the Removal of a Crossbar
Caution - Before you handle any components, wear a wrist strap to ground any static
electricity. If you perform this procedure without a wrist strap, individual
components or the overall system may be damaged. For details, see
Regarding Static
1.
Remove all crossbar cables (optical) connected to the crossbar unit requiring
maintenance.
For details, see
Note - Make a note of the positions of the crossbar cables (optical) before disconnecting them
to ensure that they are reinstalled correctly.
2.
Loosen the two screws (A in the figure) on the right and left sides and lower
the levers to release the crossbar unit.
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual ･ February 2014
300
"5.4 Stopping the Entire
"29.1.1 CB switches on the dedicated power
unit."
Electricity."
"25.4 Removing a Crossbar Cable
System."
Unit."
"1.5 Notes
(Optical)."