Supermicro CSE-847E26-R1K28JBOD Manuel d'utilisateur télécharger pdf (Page 50)

C-4

SAS2-846EL Backplane User's Guide

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, PWR3, PWR4, PWR5, and PWR6,

provide power to the backplane. See the

table on the right for pin denitions.

3. and 4. Primary and Secondary Expander

Chips

This primary and secondary expander chips

allow the backplane to support dual ports,

cascading, and failover.

5. EPP Ports

The EPP ports are used for manufacturer

diagnostic purposes only.

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Supermicro CSE-847E26-R1K28JBOD Manuel d'utilisateur Page 50