ZKTeco White LCD Series, Руководство пользователя

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ZKTECO White LCD Serials User Manual
is 13.56 MHz.
Anti-pass back Function
Sometimes, some illegal person follows the employee into the gate,
which will bring security problem. To prevent such risk, this function is
enabled. In record must match out record, or the gate won’t be open.
This function needs two machines to work together. One is installed
inside the door (master machine hereinafter), the other is installed
outside the door (slave machine hereinafter). Wiegand signal
communication is adopted between the two machines.
Work principle
The master machine has Wiegand In and slave machine has Wiegand
Out. Connect Wiegand Out of slave machine to Wiegand In of master
machine. Wiegand output from slave machine must not own machine ID.
The number sent to master machine from slave machine must be found
in the master machine.
Function Instruction
Judge whether it is anti-pass back according to user’s recent in-out
record. In record and out record must be matched. This machine
supports out, in, or out-in anti-pass back (enter
Menu
-> setting ->
system setting -> advanced setting -> anti-pass back).
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