Chapter 2: Technical Specifi cations and Installation 2.2.2 Connectors and LED Indicators Activity LED Indicator Activity LED Pin Definitions (J2) Activity LED Indicator (J2), located on the front side of the AOC-LPZCR2 card, indicates the activity status of the AOC-LPZCR2 card. See the table on the right for pin defi nitions. Buzzer Connector Buzzer Connector Pin Definitions (J4) Buzzer Connector (J4), located on the front side of the AOC-LPZCR2 card, provides a connection for the onboard buzzer. See the table on the right for pin defi nitions. SMB (I 2 C) SMB (I 2 C) Pin Definitions (J1) A System Management Bus header is located at J1.
Connect the I 2 C cable here to utilize SMB on your add-on card (*See below). See the table on the right for pin defi nitions. 3-Pin Connector on the cable 3-Pin Connector (J1) on the LPZCR2 I 2 C Cable Connection 1. The I 2 C Cable has a 3-pin con- nector on one end, and a 4-pin con- nector on the other end. 2. Connect the 3-pin connector of the cable to the 3-pin I 2 C Connector (J1) on the AOC-LPZCR2 card as shown on the right. 3. Connect the 4-pin connector of the cable to the 4-pin I 2 C Connector on the backplane as shown on the right. 4-Pin I 2 C Connector on the Backplane 4-Pin Connector on the cable (*Note:
Refer to the layout on Page 2-1 for the locations of the Connectors and LED Indicators. 2-3 Pin# Pin Definitions Pin1 Pin2 -(Negtive) or Cathod +(Positive) or Anode Pin# Definitions Pin1 Pin2 +(Positive) -(Negtive) Pin Number Definition 1 2 3 Data Ground Clock