Adaptec 4000 User Guide - Page 112
Adaptec 2420SA Activity LED and I2C Connector Specification, Adaptec 2420SA I2C Board Connector
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Appendix F: Adaptec Serial Controller LED and I2C Connector Reference ● 112 Adaptec 2420SA Activity LED and I2C Connector Specification 2169300JA-R 2169300-R 2169400-R AAR-2420SA/JA ROHS KIT AAR-2420SA ROHS KIT AAR-2420SA/256MB ROHS SGL ● Adaptec 2420SA LED Board Connector: Molex 53398-0490 or equivalent ● LED Mating Cable Connector: Molex 51021-0400 or equivalent J11: Pin Number 1 2 3 4 Signal LP0LP1LP2LP3- Description PORT 0 Cathode PORT 1 Cathode PORT 2 Cathode PORT 3 Cathode Note: Board circuitry supports COMMON ANODE backplane implementations ● Adaptec 2420SA Activity LED Board Connector: Molex 22-28-8022 2.54mm 1x2 RA Header or equivalent ● LED Mating Cable Connector: Molex 50-57-9002 or equivalent J1: Pin Number 1 4 Signal EX_LED +3.3V Description Aggregate Cathode Aggregate Anode ● Adaptec 2420SA I2C Board Connector: Molex 22-43-6030 or equivalent ● I2C Mating Cable Connector: Molex 22-43-3030 or equivalent J14: Pin Number 1 2 3 Signal IIC_EM_DATA GND IIC_EM_CLK Description I2C Data Ground I2C Clock