Vanderbilt bright blue - Connecting to Read Head; Recommended Wire Chart: VRI-1 S3 to Reader Head; TB4 - Reader Head Connections

130 bright blue Installation Manual
Connecting to Read Head
The VRI-1S3 reader interface can communicate to many different read heads. Provided here are the PIN outs for
the most commonly used read-heads. The connection is different for each reader type. See the Recommended
Wire Chart below for the proper wire type and lengths.
Recommended Wire Chart: VRI-1S3 to Reader Head
Connection
Maximum
Distance (ft)
Cable Recommendation
VRI-1 to Magstripe Reader Head
200
22 AWG/5 Cond, Strd, Shld
VRI-1 to Proximity Reader Head
500
22 AWG/5 Cond, Strd, Shld
VRI-1 to Door Contact
2000
22 AWG/2 Cond, Strd, Shld
VRI-1 to Exit Button
2000
22 AWG/2 Cond, Strd, Shld
Abbreviations:
▪ Cond. = Conductor
▪ Strd. = Stranded
▪ Shld. = Shielded
TB4 – Reader Head Connections
Ground (Black)
Buzzer (Not Used)
LED (Orange)
Clock / D1 (White)
Data / D0 (Green)
V0 (Red)