User's Manual

K02021-000 Rev A April 2006
9
2.2.2 Reader to Host Interface Wiring
Figure 5 shows interfaces for Magstripe and Wiegand Host controllers.
Choose the appropriate interface for your installation.
(RS-232 configuration requires a BIL-422/232 Signal Conditioning Module which is sold separately.)
Figure 5. Magstripe and Wiegand Reader to Host Interface Wiring
Please observe the following:
• The system must have a single earth ground point.
• For open collector (non-terminated output), consult your system manufacturer for correct cable
length and type.
The internal circuit configurations for the reader inputs and outputs are as shown in Figure 6
Figure 6. Internal Circuit Configurations