Adaptec 2170200 User Guide - Page 89
Adaptec 1420SA Activity LED and I2C Connector Specification, J2-I2C Connector, J3-Aggregate LED Header
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Appendix E: HostRAID Controller LED and I2C Connector Reference ● 90 J2-I2C Connector Pin Number 1 2 3 Signal TWSISDA GND TWSISCK Description I2C Data Ground I2C Clock J3-Aggregate LED Header Pin Number 1 2 Signal LED_SUM +3.3V Description Aggregate Cathode Aggregate Anode J4-Activity LED Connector Pin Number 1 2 3 4 5 6 7 8 Signal ACT_LED3+3.3V ACT_LED2+3.3V ACT_LED1+3.3V ACT_LED0+3.3V Description PORT 3 Cathode PORT 3 Anode PORT 2 Cathode PORT 2 Anode PORT 1 Cathode PORT 1 Anode PORT 0 Cathode PORT 0 Anode 22-55-2081 2 1 4 3 6 5 8 7 Adaptec 1420SA Activity LED and I2C Connector Specification 2170200EU-R 2170200JA-R 2170200-R 2170500-R AAR-1420SA/EFIGS RoHS KIT AAR-1420SA/JA RoHS KIT AAR-1420SA RoHS KIT AAR-1420SA RoHS Single J2-LED Connector Pin Number 1 2 3 4 Signal LED OUT0LED OUT 1LED OUT 2LED OUT 3- Description PORT 0 Cathode PORT 1 Cathode PORT 2 Cathode PORT 3 Cathode Note: Board circuitry supports common anode backplane implementations.
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