Appendix E: Controller LED and I2C Connector Quick Reference
J2 Pin Number
Signal
3
+3.3V
4
ACTIVITY CN4, LANE 1
5
+3.3V
6
ACTIVITY CN4, LANE 2
7
+3.3V
8
ACTIVITY CN4, LANE 3
9
+3.3V
10
ACTIVITY CN5, LANE 0
11
+3.3V
12
ACTIVITY CN5, LANE 1
13
+3.3V
14
ACTIVITY CN5, LANE 2
15
+3.3V
16
ACTIVITY CN5, LANE 3
Adaptec RAID 52445 Aggregate Activity LED Board Connector: Molex 22-28-4023 or
●
equivalent
Aggregate LED Mating Cable Connector: Molex 50-57-9002 or equivalent
●
J10:
J10 Pin Number
Signal
2
ACTIVITY
1
+3.3V
Adaptec RAID 52445 External Alarm Connector: Molex 22-28-4023 or equivalent
●
Alarm Mating Cable Connector: Molex 50-57-9002 or equivalent
●
J12:
J12 Pin Number
Signal
2
~2kHz Square Wave
1
+3.3V
Adaptec RAID 52445 I2C Board Connector: Molex 22-43-6030 or equivalent
●
I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
●
J25, J26, J27, J28, J29, J30:
J2x Pin Number
Signal
3
I2C Clock
2
Ground
1
I2C Data
Description
LED Anode
LED Cathode
LED Anode
LED Cathode
LED Anode
LED Cathode
LED Anode
LED Cathode
LED Anode
LED Cathode
LED Anode
LED Cathode
LED Anode
LED Cathode
Description
LED Cathode
LED Anode
Description
Open collector transistor
—
136
●
22-55-2161
Pin Number
4
3
6
5
8
7
10
9
12
11
14
13
16
15