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Appendix D: M35T1 Mobile Rack Specifications
D.10 Front Connectors and Pin Definitions
1. Backplane Main Power
Connectors
The 4-pin power connectors
provide power to the mobile rack.
See the table on the right for pin
definitions.
2. Activity LED Connector
The activity LED connector,
designated JP26, is used to
indicate the activity status of
each hard drive. For the activity
LED header to work properly,
connect a SATA LED cable.
3. Fan Connector
T h e 3 - p i n c o n n e c t o r s ,
designated JP22, provides
power to the mobile rack fan.
See the table on the right for
pin definitions.
4. - 8. SATA Ports
The SATA ports are used to
connect the SATA drive cables.
The five ports are designated
Channel #1 - #5.
4-pin Main Power
Connector
Pin#
Definition
1
+12V
2/3
Ground
4
+5V
Fan Connectors
Pin#
Definition
1
Ground
2
+12V
3
Tachometer
Activity LED Connector
Pin#
Definition
Act1/LED1
Channel 1
Act2/LED2
Channel 2
Act3/LED3
Channel 3
Act4/LED4
Channel 4
Act5/LED5
Channel 5