30 ST11950 and ST12550 Installation Guide, Rev. D

Figures 10a and 10b provide the information necessary to configure all W and WD drive jumpers not discussed elsewhere in this manual.

SCSI I/O

J5 Pin 1

DC Power

Connector

 

Connector

LED

Remote LED Connector*

J5

Pin 9 (top pin in this illustration) is negative (cathode), Pin 10 (bottom pin) is positive (anode).

*Note to subsystem designers: In Europe, a red LED indicates an error or warning condition. For this reason, you may want to use a color other than red with this connection.

Figure 10a. Additional jumper options

for ST11950W/WD and ST12550W/WD drives

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Seagate ST11950N/ND/W/WD, ST12550N/ND/W/WD manual 30 ST11950 and ST12550 Installation Guide, Rev. D, Scsi I/O