C•CURE 800/8000 Hardware Configuration Guide - Tyco Security ...

Table A-3: Allowable Offset ValuesField Card Type RangeFacility/site code All 3 to 9Card numbers Magnetic 3 to 9Card number Wiegand/proximity 2 to 32NOTEThe largest composite card number calculated cannot be greater than42967295Offset ExampleThe example in Table A-4 shows how to calculate offset values for a Magnetic14 card when a facility code of 12 and a card number of 678 is encoded on thecard.Table A-4: Calculation of Offset ValuesIf Facility CodeOffset Value Is...Use This Formula...To Get Logical CardNumber...3 (12 x 10 3 ) + 67812000 + 6784 (12 x 10 4 ) + 678120000 + 6785 (12 x 10 5 ) + 6781200000 + 6786 (12 x 10 6 ) + 67812000000 + 67812678120678120067812000678NOTEThe calculated card number must be less than 31 bits.A–10 C•CURE 800/8000 Hardware Configuration Guide