30 Barracuda 9 Installation Guide, Rev. A
N drives
Terminator power
There are three possible terminator power configurations forST19171N drives (see Figure 7). You will not normally need tochange this option and can leave the drive configured as it wasshipped from the factory.Figure 7. Setting terminator power jumpers

Term. Power to SCSI Bus

Term. Power from Drive (default)

T
E
D
S
M
E
W
P
P
D
R
E
S
T
P
T
P

Term. Power from SCSI Bus

Position A
SCSI I/O
Connector
Pin 1
J2
DC Power
Connector
J2
Drive
Front
J6 J1
J2 Jumper Type
(enlarged to
show detail)