Fujitsu M10-4 Service Manual page 477

Figure 29-5 PDU power cables
The number of power cables and the plug type may vary depending on the
power environment, as follows:
- For a single-phase power feed:
Four power cables are connected to the PDU. To pull them out, push the upper
and lower latches (A in the figure).
Figure 29-6 Power cable connector for single-phase power feed
A
A
- For a three-phase power feed:
Three power cables are connected to the PDU. To pull them out, turn the ring
Chapter 29 Maintaining the Dedicated Power Distribution Unit Mounted on the Rack for Expanded Connection 453