3 Relay 2 – Max 30 VDC @ 2 A
• NC is Normally Closed
• C is Common
• NO is Normally Open
The VBB-OBRI has four unsupervised contact points.
Unsupervised door contacts have maximum wire length of 2,000 feet.
6 Contact Inputs 1 & 2
• 1 – N/O
• 2 – N/C
• C is Ground
5 Contact Inputs 3 & 4
• 3 – N/O
• 4 – N/C
• C is Ground
9 & 10 Read Head 1 Connection
â–ª 1 is LED
â–ª 2 is Not Used
â–ª C is Not Used
â–ª A is CLK (Data 0)
â–ª B is DAT (Data 1)
â–ª - is Ground
â–ª + is Power
6 & 7 Read Head 2 Connection
â–ª 3 is LED
â–ª 4 is Not Used
â–ª C is Not Used
â–ª A is CLK (Data 0)
â–ª B is DAT (Data 1)
â–ª - is Ground
â–ª + is Power
14 Not Used
15 Not Used
16 Not Used
17 Not Used