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146
Chapter 5 SCSI Backplane and Drives: Hot-swapping and Configuring
Front Panel Connector
The front panel connector and cable provide the chassis-wide I
2
C bus and
the electrical path between the drive fault indicators (LEDs) and the SCSI
backplane that controls them.
OM04669
1
Pin Name Description
1 GND Electrical ground (0V)
2 I2C_SDA I
2
C SDA (Serial Data)
3 GND Electrical ground (0V)
4 I2C_SCL I
2
C Serial Clock
5 RFU Reserved for future use
6 FAULT1_L Fault signal for drive 1 (logical drive 0)
7 FAULT2_L Fault signal for drive 2 (logical drive 1)
8 FAULT3_L Fault signal for drive 3 (logical drive 2)
9 FAULT4_L Fault signal for drive 4 (logical drive 3)
10 FAULT5_L Fault signal for drive 5 (logical drive 4)
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