Guangdong, China
Business Type:
Export Year:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern ...
Terms of Payment:
LC, T/T, D/P, PayPal, Western Union, Money Gram
OEM/ODM Availability:
OEM/ODM Service
Sample Available
U.S. Warehouse

Access Control Panel/Board, Access Control, Door Access Control manufacturer / supplier in China, offering 4 Door Network Access Control Board, Access Control Remote Electric Bolt Door Lock with Time Delay Frameless, Ce Electric Bolt Lock for Outside Mount, 12mm Throw out and so on.

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4 Door Network Access Control Board

Get Latest Price
Purchase Qty. / Reference FOB Price
1-99 Pieces US $62
100+ Pieces US $57
Port: Shenzhen, China
Production Capacity: 1000PCS/Week
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Card Reader Quantity: 4
Control Gates: Four Gates
Technology: 32-Bit Technology
Way of Control: Computer Control
Communication Mode: TCP/IP
Type: Two-way Controller

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Basic Info

Model NO.: JS-8840T
Model: Js-8840t
Usage: Attendance Machine
Input Format of Reader: Wiegand 26~40
Trademark: Junson
Transport Package: Cartons
Specification: CE certificate
Origin: China
HS Code: 8471900090

Product Description

Product type32 bit ARM flushbonading industrial grade access control board
Quantity of users40000 users
Quantity of event buffers(offline)100, 000 event buffers
CommunicationTCP/IP  100M self adaptive
Door control output4 relay outputs (10A)
The way of accessGet in the door by swiping card, and get out the door by button
Input Format of ReaderWiegand 26~40 (All card reader with compatible protocol, such as Motorola , HID, EM , Mifare one etc)
Quantity of Reades4pcs
Magnet Reed Switch Input4 (dry contact input)
Exit button input4 (dry contact input)
Door opening time extending setting1-600 seconds(adjustable)
Max q ' ty of controllerNo limit
Power Consumption of Circuit Board100mA
Max Distance from Reader to Controller100m
Max Distance from computer to ControllerDepand on network range
Special functionRemote open door,Limit time,
Regional interlock,Regional Anti-passback Anti-trailing,unlocking at definite time,multi-card unlocking,emergency double locking,first card unlocking,card+ password unlocking, etc.
Hardware alarm function(optional expansion module)Alarm for long time unclosing,alarm for illegal break in,intimidation alarm,Fire linkage,alarm linkage,smoke alarms, etc.
Software alarm functionThe software interface alarm, and drive the computer speaker alarms
Embedded Web Server,browser-accessible(B/S)Yes
Secondary Development,Dll/ message / mobile phoneYes

New Hardware Design

1.High-speed arithmetic circuit design
Adopt international top brands of high-end microcontroller ATMEL CPU, fast in speed of operation, even the stored over 20,000 user record, after swiping the card,the door open at once, there is not any delay.
2.Large-capacity nonvolatile memory design
Advanced technology similar U disk Flash memory, information never lost. PS:Some access controller still uses previous storage technology on the market, the data and the clock information maintained by small external batteries, once the battery is vibrating , no electricity,hit by the current,the stored information (permissions, records, time) may be lost.
3.Anti crash and self checking circuit design 
Under the premise of abundant electricity , the circuit will automatically detect whether the system crash, If it crashes will automatically restart at once, the system like never crash. 
4.Real time clock anti loss precision circuit design 
Using the precision technology of the built-in lithium battery clock module, the clock information is not lost even if the short circuit, it can work for 20 years even without charge, the clock accuracy is high,  don't need frequent calibration 
5.hree-level lightning protection and anti surge circuit design (breakthrough overvoltage protection) 
Using high three-level lightning protection design, it can be hit 50 times by 5000v induction thunder ,but it will not be damaged, the anti surge circuit function are also in the higher grades.
6.Jumper-free adaptive fault and automatic isolation intelligent communication circuit 
RS485 communication mode,can be jumper-free selection, plug and play, easy to operate, not easy to make mistakes . If a controller failure, the controller automatically isolates itself from the communication bus, it will not affect the other controllers and the communications , It is also convenient for engineers to find faults quickily in the large systems.
7.Large load relay output circuit design
It can be added a bigger current load except the elecric lock,so it can be applied to other control domain,the relay will not damage even if the current electricity quality is not very good.
8.Alarm output and fire linkage expander board design
After connected to the expander board,it can achieve alarm for long time unclosing,alarm for illegal break in,intimidation alarm,Fire linkage,alarm linkage,smoke alarms, etc function 
9.Anti error connection design
The system has been designed with a large number of anti error connection designs,for sample:card reader/power supply connection fault or short circuit,the card reader is not carefully connected with the power supply, the 485 communication line is connected to the AC etc..Do not need to replace the insurance, do not need to return to plant maintenance,release the wrong wiring,reconnect,then it can be used . This design ensure the construction period, reduce the construction cost.

Function Introduction
1.lexible user privilege setup
The users can set a person can pass some part of doors, or a person can pass all the doors. Setting results can be arranged according to the door or the people. it can be printed or exported to the excel file,Users can clearly see the door which people can pass ,or the people can pass which door.
2.Time period authority management 
The users can set a person can pass which door on which day/which time, offline running: uploading the data after finshed the software settings, the controller will remember all permissions and record all the information, the system can still offline operate normally even if the software or computer shutdown, the information never be lost even if the power outage.
3.Real time supervision, photo display,door status display 
It can monitor the swiping card/access situation of all the doors in real time.
It can display the photo of swiping card people in real time(the photo stored in the computer in advance),Then the security men can check it with the swiping card people.
After connect the magnet reed switch,the user can see which door is open, which door is closed. The record of the legal card is displayed in green,the record of the illegal card is displayed in orange,the alarm record is displayed in red. It is convenient to remind the security man to pay attention on it. 
After installat video access control, it can take photos and videos in real time when the people swiping card. 
4.Real time extraction 
The users can real-time monitoring, automatic extract the record of the control board, it can update the record and upload the record to the computer database at the same time
5.Forced closing and forced opening 
If some doors need to be opened for a long time,it can be "normal open" by set up the software.If some doors need to be closed for a long time,it can be "normal close" by set up the software.Or some special time:the user need to close the door to catch the thief,it can be"normal close"by set up the software.
6.Remote open door 
After receiving instructions, the user can click on the "remote open door" button on the software interface to open a door. Remote open door data can be record by setting.
7.Quick check the quantity of people in the door
The users can check the quantity of people in a door or in a certain area (Several doors), and displays the list of people in this area.for sample:the boss can quickly know how many people work in the company now, if there is an abnormal situation , he can do a attendance statistics, then check the personnel who violate discipline 
8.card+password unlocking
If the user connect password reader, the system will achieve card + password function. 
After swiping the card and enter the password,the door open (Premise is card and password are all correct). Prevent card loss or card theft, then it will be used to open the door and do some bad things by other people.
9.Super password 
Each door can be set up 4 sets of password,the user can open the door as long as enter one of these passwords. the system does not record this event and the person
10.Fire alarm and open door in emergency
The controller is connected with the alarm output and the fire control linkage expansion board. when the fire switch signal comes,all doors are opened automatically which be managed by extended board,easy for people to escape. and start the fire siren and recording alarm time.
11.Alarm for illegal break in or alarm for forced open the door
When the people forced open the door or break in with out swipe card or push button,
The time and position of the alarm information will be prompted on the system software monitoring interface. and drives the computer sound box to remind the duty personnel to pay attention on it.
If connected with expansion board and alarm output , it can drive alarm sound,deterrent to the people who have bad intentions,and remind the security man to come.
12.larm for long time unclosing
Forgot to close the door, the door has been opened for a long time(It can be customized How many seconds to open the alarm),The time and position of the alarm information will be prompted by the system software monitoring interface. and drives the computer sound box to remind the duty personnel to pay attention on it.
If connected with expansion board and alarm output , it can drive alarm sound,deterrent to people who have bad intentions,and remind the security man to come.
13.Invalid card alarm 
Someone who tried to swipe the unauthorized card,The time and position of the alarm information will be prompted by the system software monitoring interface. and drives the computer sound box to remind the duty personnel to pay attention on it. 
If connected with expansion board and alarm output , it can drive alarm sound,deterrent to people who have bad intentions,and remind the security man to come.
14.Timed upload 
When uploading permissions data , the controller is unable to judge the legal rights of the card at that time. It just can judge it after finshed upload, so, if there is a lot of data need to upload , the controller will have a short period of time does not allow the card which haven't enough time to upload data, so the timed upload function can make the system upload the data automatically
at night, The function need computers and software in the running state.
15.Division management 
Some companies require sub sector management access control and attendance, their own department of the operator to manage their own department of the door and authority. Senior management can manage the company's door and people. 
16.First card unlocking
For example, a company requirements: The company designate several people that have the first card open access , the other people just can enter the door by the first card peopel swipe the card at first on the morning, or the door remains open, and it will close at night on time. Set this feature, if the first card people not come, other legitimate card people can not enter too, they must wait with the first card people to open the door.
17.Interface lock 
The operator leaves the post temporarily (such as: go to the WC), the software interface can be locked, background software continues to run and monitor,other people can not take this opportunity to operate the software,after operator come back, input password back to software interface. 
18.Intimidation alarm
When staff is intimidated by gangsters to required to open the door , the staff can input to the stress password,the door is opened, but the staff would not be hurt by angry gangsters, because the control center software interface has been shown the alarm information where is forced to open the door,then take measures. At the same time, the control center computer speakers can send out alarm sound, to remind the staff pay attention on it . This function is mainly used for strict savings banks, Treasuries and other occasions. 
19.Regional Anti-passback Anti-trailing
There are certain situations,the cardholder will have to swipe card from a door to come in/get out. swipe card records must be in a strictly corresponding. if the people followed others come in without swipe card,the system wouldn't allow the people get out.if the people followed others get out without swipe card, the system wouldn't allow the people come in at next time. Or the person come in at first, then give the card to other people,and the other people try to come in, the system will refuse this people
Some special occasions, before one door close, another door is not allowed to enter. Two door controller can achieve double interlocking, four door controller can achieve double interlocking/three door interlock/four door interlock. This function is mainly used for strict savings banks, Treasuries and other occasions. 
21.Multi-card unlocking
It requires the people appear at the same time, swip card in order,then the door can can't open by only on people swip the card.This function is mainly used for strict savings banks, Treasuries and other occasions. 
22.Opening or colsing long time at definite time
For example: Set the door often open at 8.15 am, online at 18:30,often closed at 23:00,
The civil service required to open the door during thework time , the outside personnel can free access, after work, the straff need to swip the card to leave, and it does not allow other people come in. at night, the door closed, the internal staffs are not allowed to go out. 
23.Emergency double locking
Some occasions called "emergency double closed function", this function do not need software settings, just need connect the emergency switch on the controller wiring. in case of emergency, press the emergency switch, all door which be jurisdicted by the controller will be closed .it can't be open the door by pushthe button/swipe card at this time. this function use in" closed thief "occasions. Pull up the emergency switch,the system will restored to normal operation. 
24.Electronic map
It can be placed in a position corresponding to the icon of the map display, more intuitive and user-friendly real-time monitoring. 
25.Swip card opening and closing settings 
Swip legitimate card, open relay,Swip legitimate card again,the relay close. For example: at school audio-visual classrooms, projectors and other audio-visual can't  be used casually, The legal teacher swipe the card, through the relay to open the projector, after class, swip card, turn off the power, other people can't use it
if you have any requirement,pls don't hesitate to tell us! thanks

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