User`s guide

Table Of Contents
Appendix F: Adaptec Serial Controller LED and I2C Connector Reference 112
Adaptec 2420SA Activity LED and I2C Connector Specification
Adaptec 2420SA LED Board Connector: Molex 53398-0490 or equivalent
LED Mating Cable Connector: Molex 51021-0400 or equivalent
J11:
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:
Adaptec 2420SA I2C Board Connector: Molex 22-43-6030 or equivalent
I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
J14:
2169300JA-R AAR-2420SA/JA ROHS KIT
2169300-R AAR-2420SA ROHS KIT
2169400-R AAR-2420SA/256MB ROHS SGL
Pin Number Signal Description
1 LP0- PORT 0 Cathode
2 LP1- PORT 1 Cathode
3 LP2- PORT 2 Cathode
4 LP3- PORT 3 Cathode
Pin Number Signal Description
1
EX_LED Aggregate Cathode
4
+3.3V Aggregate Anode
Pin Number Signal Description
1 IIC_EM_DATA I2C Data
2 GND Ground
3 IIC_EM_CLK I2C Clock