Card Reader Wiring

Calculate card reader cable distances.

Linear measurement between two points.
ft
Enter the protocol (1=wiegand, 2=osdp) value for this calculation.
Electrical potential difference measured in volts (V).
V

Results

Max Distance:
Maximum allowed or calculated value.
-ft
Min Cable Gauge:
Minimum required or calculated value.
-AWG
Distance OK:
Calculated distance.
-
Reference: ASIS/UL Standards. Wiegand and OSDP wiring specs.