Vanderbilt bright blue - Reader and I;O Assignment

VBBIM09/33/20 v5.0.3
Chapter 3 VBB-OBRI 61
18 Read Head Voltage Selector. The VBB-OBRI A read head voltage selector provides wither 12 VDC or passes
VIN to the read head depending on jumper location.
▪ A jumper across PINs 2 and 3 (12V) will provide 12 VDC (default setting)
▪ A jumper across PINs 1 (Vin) and 2 will pass VIN
▪ No jumper will provide 0 VDC
Warning: Serious damage may occur to the read-head if this jumper is set incorrectly. Please check the read
head voltage requirements.
24 bright blue Network Connection
Reader and I/O Assignment
The VBB-OBRI Supports 2 Door Configurations:
• Single Door Control (2 Relays and 4 Contacts per door)
• Dual Independent Door Control (1 Relay and 2 Contacts per door)
VBB-OBRI Reader Inputs and I/O is associated to one of the configurations above depending on the Reader
Template applied in Door Setup as indicated below.
Device Selection
Reader Used
Relay Assignment
Contacts Assignment
Single Door Control
VBB-OBRI Single Reader Interface
Reader 1
Relay 1
Relay 2
Contact 1 – REX
Contact 2 – DOD
Contact 3 – Push Button
Contact 4 – Aux Input
Reader 2 Unused
Dual Independent Door Control
VBB-OBRI Dual Reader Interface
Reader 1
Relay 1
Contact 1 – REX
Contact 2 – DOD
Reader 2
Relay 2
Contact 3 – REX
Contact 4 – DOD