Management Software for ACB-001, ACB-002, ACB-004 Network Access Controller,How set a limit for persons inside? It means the client want to enter into a room only 10 persons, when reach this number to denied the acces.. Please kindly check as be…

Restore the password by connection 2 (SDA) and 3 ( GND ) of 5-pin white socket on the controller for more than 3 seconds..【Current Password】: 654321More details for  ACB series Network Access Controller, You might check our website:https://www.s4a.…

How Do Wireless Reader Work?The wireless reader set is made up of two parts, which includes the reader and a receiver.The reader is obviously installed outside, the receivers, can be placed anywhere inside the house, within the range of 30 meters from rea…

1.Product introductionThis product is EB-16/17R series infrared remote control access controller. The product design has many functions such as distance sensing, delay, remote unlocking(inching, self-locking, learning and clearing), and can be selected by…

What is an Automatic Door Operators?A swing-door operator or swing-door opener or automatic swing-door operator ) is a device that operates a swing door for pedestrian use.It opens or helps open the door automatically,waits,then closes it.Automated swing …

How to extend S4A RS485 or IP Access controller's valid date - old controller  Note: The default validity period for users of the old S4A ACB-00 and ACB-T&R software is December 31st,2020, which has all expired at present, resulting in u…