IBM x3630 M3 7377 - Page 222

LED signal cable
(from option package)
Rear hard disk drive
detect pin
2
Hot-swap backplane
signal cable (I C cable)
LED signal cable
(from option package)
2
Hot-swap backplane
signal cable (I C cable)
9. If you are instructed to return the rear hard disk drive cage, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
204 IBM System x3630 M3 Type 7377: Problem Determination and Service Guide