
SC846 Chassis Manual
6
Front Connector and Pin Definitions
1.and 2. Optional Primary and Secondary
I
2
C Connectors
The optional I
2
C connectors are connected to
the CSE-PTJBOD-CB2 board and are used
to monitor the power supply status and to
control the fans. See the table on the
right for pin definitions.
D-4
3. Backplane Main Power Connectors
The 4-pin connectors, designated PWR1,
PWR2, PWR3, PWR4, PWR5, and PWR6,
provide power to the backplane. See the
table on the right for pin definitions.
5. Primary and Secondary Expander Chips
This primary and secondary expander chips
allow the backplane to support dual ports,
cascading, and failover.
4. Primary and Secondary Flash Chips
The primary and secondary flash chips
enhance the backplane memory.
6. EPP Ports
The EPP ports are used for manufacturer
diagnostic purposes only.
I
2
C Connector
Pin Definitions
Pin# Definition
1
Data
2
Ground
3
Clock
4
No Connection
Backplane
Main Power
4-Pin Connector
Pin#
Definition
1
+12V
2 and 3
Ground
4
+5V
Содержание SC826E16-R1200B
Страница 9: ...SC846 Chassis Manual viii Notes ...
Страница 33: ...xxx Chassis User s Manual Notes 2 20 ...
Страница 63: ...SC846 Chassis Manual Notes 4 26 ...
Страница 73: ...SC846 Chassis Manual Notes 5 10 ...