Seagate ST39140N/W/WC/LW/LC manual Setting terminator power jumpers, W drives, Terminator power

Medalist Pro Installation Guide, Rev. B 49

W drives

Terminator power

There are four possible terminator power (TP) configurations for “W” model drives (see Figure 14). You will not normally need to change this option and can leave the drive configured as it was shipped from the factory.

	J2	R
“W” model drives		T D M W P E T T
		E S E P D S P P

Drive supplies term. power for its own terminators only

Drive supplies term. power to SCSI bus only

Drive supplies term. power for its own terminators and drive supplies term. power to SCSI bus

Drive takes term. power from SCSI bus

Pin 1

(default)

Note: TP jumper(s) must always be in one of the configurations shown, even if TE jumper is not installed.

J2 Jumper Type

(enlarged to show detail)

	Position A
J6	J2
	SCSI I/O J1
	Connector
Drive
Front
	DC Power
	Connector

Figure 14. Setting terminator power jumpers