SBB-RI Pin Functions
P4 - Power source and communication wiring. Used to connect bright blue to the SBB-RI.
▪ Pin 4 is Ground
▪ Pin 3 is Data B
▪ Pin 2 is Data A
▪ Pin 1 is Power
P1 - Contact Inputs. The SBB-RI has four unsupervised contact points. When connecting more than two contact
inputs to Pin 8 (GND), a terminal strip to connect the common ground wires needs to be installed. Unsupervised
door contacts have maximum wire length of 2,000 feet.
▪ Pin 1 is Exit Request (REX) - Normally Open
▪ Pin 2 is Door Position Switch (DOD) - Normally Closed
▪ Pin 3 is Push Button Override - Normally Open
▪ Pin 4 is Auxiliary Input - Normally Closed
▪ Pin 5 is Not Used
▪ Pin 5 is Not Used
▪ Pin 6 is Not Used
▪ Pin 7 is Not Used
▪ Pin 8 is Ground
P5/P6 - Relay outputs. The SBB-RI comes with two relay output. The relays are single pole/double throw and are
rated at 30 VDC @ 2 amp.
▪ Pin 1 - Normally Open
▪ Pin 2 - Normally Closed
▪ Pin 3 - Common
W5 - Factory use only. Do not add a jumper under normal operating conditions.
W3 - Read head voltage selector. The SBB-RI read-head voltage selector provides 5VDC or 12VDC to the
various types of read-heads depending on jumper location.
▪ No jumper will provide 5VDC
▪ A jumper across Pins 1 and 2 will also provide 5VDC
▪ A jumper across Pins 2 and 3 will provide 12VDC
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