User's Manual

LR-911 2.6H3
AWID PROPRIETARY
Page 11 9/26/2007
The Reader’s Blue wire is Signal Ground. It must be connected to the signal-return at
the panel or reader-input module. This is commonly (but not always) the panel ground
terminal.
Figure 1 Wiegand Output Format
Figure 2 RS-232 Output Format
The Reader’s Yellow wire enables the Reader to function only when this line is pulled
low (0 V) by a dry contact or by connection to ground. The Yellow wire must be
connected to either (a) a vehicle-sensing switch (if used), which is at ground potential