Appendix E: Controller LED and I2C Connector Quick Reference ● 131
J3:
● Adaptec RAID 51245 Activity LED Board Connector for CN2: Molex 10-89-7162 or
equivalent
● Activity LED Mating Cable Connector: Molex 22-55-2161 or equivalent
J1:
J3 Pin Number Signal Description
22-55-2161
Pin Number
1 +3.3V LED Anode 2
2 ACTIVITY CN1, LANE 0 LED Cathode 1
3 +3.3V LED Anode 4
4 ACTIVITY CN1, LANE 1 LED Cathode 3
5 +3.3V LED Anode 6
6 ACTIVITY CN1, LANE 2 LED Cathode 5
7 +3.3V LED Anode 8
8 ACTIVITY CN1, LANE 3 LED Cathode 7
9 +3.3V LED Anode 10
10 ACTIVITY CN0, LANE 0 LED Cathode 9
11 +3.3V LED Anode 12
12 ACTIVITY CN0, LANE 1 LED Cathode 11
13 +3.3V LED Anode 14
14 ACTIVITY CN0, LANE 2 LED Cathode 13
15 +3.3V LED Anode 16
16 ACTIVITY CN0, LANE 3 LED Cathode 15
J1 Pin Number Signal Description
22-55-2161
Pin Number
1 Unused Unused 2
2 Unused Unused 1
3 Unused Unused 4
4 Unused Unused 3
5 Unused Unused 6
6 Unused Unused 5
7 Unused Unused 8
8 Unused Unused 7
9 +3.3V LED Anode 10
10 ACTIVITY CN2, LANE 0 LED Cathode 9
11 +3.3V LED Anode 12
12 ACTIVITY CN2, LANE 1 LED Cathode 11
13 +3.3V LED Anode 14
14 ACTIVITY CN2, LANE 2 LED Cathode 13
15 +3.3V LED Anode 16
16 ACTIVITY CN2, LANE 3 LED Cathode 15
