Supero SC417E16-RJBOD1, Руководство пользователя, Страница: 76 / 104

D-4
SC417J Chassis Manual
D-6 Front Connector and Pin Definitions
Backplane Main Power
4-Pin Connector
Pin# Definition
1 +12V
2 and 3 Ground
4 +5V
8. Backplane Main Power Connectors
The 4-pin connectors are designated
PWR1, PWR3 and PWR4. They provide
power to the backplane. See the table on
the right for pin definitions.
7. Fan Connectors
The 4-pin connectors, designated FAN1,
FAN2, and FAN3, provide power to the
fans. See the table on the right for pin
definitions.
Fan Connectors
Pin# Definition
1 FB
2 +12V
3 Tachometer
4 NC
2. Expander Chips
This expander chip allows the backplane
to support dual ports, cascading, and
failover.
1. Flash Chips
The flash chip enhances the backplane
memory.
3. - 5. SAS Ports
SAS ports provide expander features
including cascading. From bottom to top,
ports are PRI_J1, PRI_J2 and PRI_J3.
6. EPP Port
The EPP port is used for manufacturer's
diagnostic purposes only.
9. Debug Connector
The debug connector is designated EX-
PDBG1 and is used for manufacturer's
diagnostic purposes only.
10. UART Connector
The UART connector is designated SMART_
UART and is used for manufacturer's diag-
nostic purposes only.
11. I
2
C Connector
The I
2
C connector is designated PRI_I2C.