
SentinelRAID 170 Installation and Hardware Reference Manual
E.4.2 JP 17 
Pin | Description  | Pin  | Description  | 
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1  | DCD2  | 6  | DSR2  | 
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2  | RXD2  | 7  | RTS2  | 
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3  | TXD2  | 8  | CTS2  | 
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4  | DTR2  | 9  | RS232 RESET  | 
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5  | GND  | 10  | N/C  | 
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E.5. J3 I2C Port
E.5.1 I2C Port Pin Outs
Pin | Pin Name | 
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1  | I2CCLK  | 
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2  | GND  | 
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3  | VCC  | 
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4  | I2CDATA  | 
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E.5.2 I2C Connector Pin Name Descriptions
Symbol | Type | Description | 
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GND  | G  | Signal ground  | 
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I2CCLK  | O  | I2C clock  | 
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I2CDATA  | O  | I2C data  | 
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VCC  | P  | +5V voltage input  | 
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J3 I2C Port  |