DoorKing Remote Account Manager - Manual (Page 38)

Page 38 1835-066-N-7-13
3.6 Anti-pass Back
Anti-Pass Back (APB) is a feature that addresses the problem of a user handing his card (or other access
device) to someone else to use. This is accomplished by recording an ‘APB VIOLATION’ when a card is used at
the same reader twice in a row without being used at a different reader in between. For example, lets assume
you have a secured area with both an ‘IN’ card reader and an ‘OUT’ card reader. If card #12345 is presented at
the ‘IN’ reader two times in a row without being used at the ‘OUT’ reader, an APB violation has occurred.
NOTE: Users must be assigned a security level of 02 through 27 for the APB feature to be active.
3.6.1 True Anti-pass Back
The APB function in the DoorKing software is TRUE anti-pass back and can be set up to operate in one of three
different modes.

PASSIVE APB – will record an APB VIOLATION in the transaction buffer if a card is presented two or
more times in a row at the same reader. Access (or exit) will be granted.

ACTIVE APB – will record an APB VIOLATION in the transaction buffer if a card is presented two or
more times in a row at the same reader. Access (or exit) will be denied.

TRAP APB – will trap the ‘user’ in the facility with an illegal use of the card and will record an APB
VIOLATION in the transaction buffer. Active and trap are different in that with ACTIVE APB, the card
will not work at either the IN or OUT card reader once an APB violation has occurred. With TRAP APB,
once an APB violation has occurred, the card will work at the IN card reader but will not work at the
OUT card reader since it was used twice in a row at the IN reader. This card is TRAPPED in the facility.
3.6.2 Facility Counter
The APB feature also uses a FACILITY COUNTER that keeps a running total of the number of users in the
facility. The information can be used to determine, for example, what percentage of a parking facility is in use at
a given time. The counter can be set to OFF, record every 15 MINUTES, record every 30 MINUTES, or record
EVERY HOUR. When a transaction upload is completed, a ‘USERS IN FACILITY’ report can be run to see how
many users were in the facility at the intervals selected. When the APB feature is first put into use, the facility
counter can be manually set with the number of vehicles (people) currently in the facility so that you have an
accurate count as the APB features begins to operate.
3.6.3 Re-sync operations
When the APB feature is first enabled, all cards will have 1 RE-SYNC move set. This is also true for new cards
added to the system. That is, whether the card is currently IN or OUT of the facility does not matter. The system
will allow them one ‘move’ and then start looking for APB violations. You can at any time RE-SYNC ALL
DEVICES, RE-SYNC FROM A LIST OF DEVICES or SCHEDULE RE-SYNC’s.
For example, if APB was in use in a parking garage with a barrier arm and the arm is broken, people will
naturally just drive out without using their card to open the gate for exit. Knowing that a number of people drove
out without using their card, you can do a manual re-sync so that you won’t have several APB violations the next
morning.
The program will also allow you to schedule a re-sync of all cards on a regular basis. It might be a situation
where APB is only enforced say from 8 AM to 6 PM. Entries are un-regulated and vehicles are allowed free
entry after 6 PM. You can schedule a re-sync for 2 AM (when the lot is empty) so that persons who left after 6
PM will not have an APB violation the next morning.