User's Manual

Wiegand Output Formats
AY-G/H6xx0 Installation and User Manual 31
A.2 Wiegand 38-Bit (38A)
Field ID Data
Facility Code
Site Code Issue Number Parity Bits
# of Bits 16 10
7 2 3
Range 65,535 1,023
127 3 N/A
Wiegand 38-Bit
(Rosslare
Proprietary) Reader
Output
Bit 2 "O" Odd
parity of bits 3 to
20, designated by
Parity Mask "X"
Bit 1 "E" Even
parity of bits 2 to
38, designated by
Parity Mask "X"
Bit 5 to 14 "F"
10-Bit Facility
Code
Bit 15 to 21 "S"
7-Bit Site Code
Bit 22 to 37 "D"
16-Bit ID Data
Bit 38 "E" Even
parity of bits 20 to 37,
designated by Parity
Mask "X"
Bit 3 to 4 - "I" 3-
Bit Card Issue
Number