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Appendix E: HostRAID Controller LED and I2C Connector Reference ● 91
J7—Aggregate Activity LED Header
J1—I2C Connector
Adaptec 1220SA Activity LED Connector Specification
J1—Activity LED Connector
Note:
Board circuitry supports common anode backplane implementations.
Adaptec 1225SA Activity LED Specification
J1—Activity LED Connector
Note:
Board circuitry supports common anode backplane implementations.
Pin Number Signal Description
1
LED_SUM Aggregate Cathode
2
+3.3V Aggregate Anode
Pin Number Signal Description
1 TWSISDA I2C Data
2 GND Ground
3 TWSISCK I2C Clock
2232100-R AAR-1220SA RoHS Kit
2232100JA-R AAR-1220SA RoHS Kit
Pin Number Signal Description
1 ACT_LED1- PORT 1 Cathode
2 +3.3V PORT 1 Anode
3 ACT_LED0- PORT 0 Cathode
4 +3.3V PORT 0 Anode
2257700-R AAR-1225SA RoHS Kit
2257700JA-R AAR-1225SA RoHS Kit
2257800-R AAR-1225SA RoHS Single
Pin Number Signal Description
1 ACT_LED1- PORT 1 Cathode
2 +3.3V PORT 1 Anode
3 ACT_LED0- PORT 0 Cathode
4 +3.3V PORT 0 Anode