The Synchronized spindle option can be supported by the combination of these jumpers. At the time of shipment, these jumpers are set to "Off Line Mode", which means non-supported. The mode to be supported will be decided when power is turned on.
The mode can be confirmed by MODE SENSE command and changed by MODE SELECT command.

Table 2-4 Synchronized spindle option

JP2 1,2,3,4
Mode	Off Line (at the shipment)	Slave	Master	Not Specified

The cable array shall be configurated as below.

Note *6:

Terminator Jumper (JP6) shall be removed from all drives except the drives located at either cable end.