Supermicro CSE-PTJBOD-CB2 Uživatelský manuál stáhnout pdf (Strana 46)

C-4

SC837J Chassis Manual

1. Primary I

C Connector

The I

C connector is used to monitor the power

supply status and to control the fans. See the

table on the right for pin denitions.

C Connector

PinDenitions

Pin# Denition

1 Data

2 Ground

3 Clock

4 No Connection

C-6 FrontConnectorandPinDenitions

Backplane

Main Power

4-Pin Connector

Pin# Denition

1 +12V

2 and 3 Ground

4 +5V

2. Backplane Main Power Connectors

The 4-pin connectors, designated PWR1,

PWR2 and PWR3 provide power to the

backplane. See the table on the right for

pin denitions.

5. Fan Connectors

The 4-pin connectors, designated FAN1,

through FAN3, provide power to the fans.

See the table on the right for pin deni-

tions.

Fan Connectors

Pin# Denition

1 Ground

2 +12V

3 Tachometer

4 Empty

3. and 4. Primary and Secondary Expander

Chips

The primary and secondary expander chips

allow the SAS2-837EL2 backplane to sup-

port dual ports, cascading, and failover.

SAS2-837EL1 supports cascading.

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