Chongchi Intelligent Technology (Hong Kong) Holding Co., Ltd

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  • Four Doors Access Control Board
  • Four Doors Access Control Board
  • Four Doors Access Control Board
  • Four Doors Access Control Board
Four Doors Access Control Board Four Doors Access Control Board Four Doors Access Control Board Four Doors Access Control Board

Four Doors Access Control Board

 Product Introduction

Four Doors Access Control Board

CIT-1940A Four Doors Access Control Board


CIT-1940A Four Doors Access Control Board uses network design mode, developed by super 32 bit core processor which combined with mass FLASH memory to realize LAN and WAN communication network, and supports super high speed data storage. Built in stable monitoring module, so that CIT-1900 series products safety to operate, if abnormal, it will automatically record and transfer to management system, to make each system is more clear and more stable operation. CIT-1940A Four doors access control board built-in fire alarm and bandit alarm input and output, beside this it also can connect an alarm board to support fire alarm, bandit alarm , anti-theft alarm, gas alarm etc. Use multi-network structure design, FC-8900 series support many computer manage (such as one computer is mainly to monitoring data, one computer manage privilege data, one computer management record data...), CIT-1900 series products all support voice output, can effectively guide the user to understand the current events in a particular status.

CIT-1940A Four doors access control board is one of the model in the CIT-1900 series, CIT-1900 series access control board mainly include: CIT-1960 time attendance machine, CIT-1910 one door access control board, CIT-1920 two doors access control board, CIT-1980 base station two doors access control board, CIT-1940 four doors access control board, CIT-1832 Elevator access control board etc, total are 7 models. The access control board is use RS485+TCP/IP two communication way which suffix is A, The access control board suffix is W means use microwave high frequency wireless communication mode. All of the above models, no matter which communication mode they all can be mixed together to network, manage and control by a software, achieve all in one card system.


System Function:

Conventional Function:Offline Operation、Reading Card Unlocking、Passwords Unlocking 、Reading Card+Passwords Access、Period Reading Card+Passwords Unlocking、Manual Input Card Number + Passwords Unlocking、First Card Unlocking、Normal Card Unlocking、Remote Unlocking、Remote Locking、 Unlocking at definite time、Priod Normally Open、 Real Time Supervision、Abnormally Supervision、E-map、Duress Alarm、Fire Alarm Linkage、Robber Alarm、Illegal Break In Alarm、Illegal Card Alarm、Missing card Management、Black list Card Alarm、Door open time out Alarm/Prompt、Anti-passback And Anti-tail、Bulk Data Uploading、Small Group Data Uploading、Dual Door Interlocking、Multi-Door Interlocking、Multi-Card Unlocking、Keypad Programming 、Emergency Locking、Time Attendence、64 Groups Time zone、Holiday time zone and etc.

Professional Function:Card Data Recovery、Logs Repair、Prodetection、swiping card and validation 、Full Cards unlocking、Full Cards Unlocking+Auto Register、Program IC Card By Write Data In、Main Board Buzzer Swith、Clock Self-Adjust、Unlocking Based On Internal And External Validation、3+1confirmation unlocking、 Indoor Population Checking、5 devices work together、Cross boards interlock 、Cross Boards anti-passback、AB groups multi-card unlocking、telephone inform once trigger alrm 、operation time dispaly、remote firmware upgrade and etc.

New function:Except the function above,we also add CIT-1900series with some new functions that other suppliers do not support:Abnormal detection of the card reader circuit and voice prompts、voice prompts and guide、system temperature detection、Power input stability dection、Trial period、online patrol management 、voice prompts if the card close to expiration date 、daily intelligent self correction of time error、Exit Swith available during valid time zone 、remote phone taking when swiping card、Anti theft alarm host function、time interval setting of twice swiping card 、Door magnetic alarm time management、encrypted communication data、swiping card times setting、capacity expension 2~4 times depends on customer demand、WEIGEND keyboard program card and etc.

CIT SMART software support Access and SQL Database, and the communication can local connect or remote control Internet.

CIT-1940A four doors access control board mainly responsible for access control system control part, it is the most important part, it can store personnel card data, reading data, password data, various parameters, etc. With the card reader, power locks, power supply, push button to comprised access control system etc. CIT-1910A can manage two doors and support two door access control. It mainly used in: enterprises, communities, schools, factories, and the CIT-1900A series built in a function which mainly used for banks and prison , so it very suitable for bank vault and prison channel.

Product Parameters

Product Name: Four Doors Access Control Board

Working Voltage: DC12V

Working Current: <500mA

Temperature: -25℃-70℃


Door Control: 4

Readers: 8

Exit Button: 4

Door Sensor Interface: 4

Fire Linkage: 1

Bandit Alarm: 1

Voice Speaker: 1

Alarm Extesion: 4 enter and 4 exit (fire alarm、bandit alarm、burglar alarm、Gas alarm)

Reading Protocol: Wiegand 26 \ Wiegand 34 \ Wiegand 66

Register cards: 156,000 (Can be extended)

Record Capacity: 250,000 (Can be extended)

Communication Type: RS485 + TCP/IP

Communication Distance: RS485(1200m)TCP/IP(100m)

Wiegand: 100m (Suggest 80m)

Size: 200 * 105 * 20 mm

Color: Black

Interface Intruction:


CIT-1940A Four doors access control board supports: 1 DC12V input、4 lock relay output (Max 12V, dry node output)、1 fire alarm input、1 fire alarm output、1 bandit alarm input、1 bandit alarm output、4 exit button、4 door sensor、8 card reader(four are enter, four are exit)、2 RS485、1 TCP/IP、1 Alarm Board、1 Voice Speaker Output.


Software Photos:

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CIT-1900 series product support CIT SMART Software,network by RS485、WAN、LAN etc mixed connection way, CIT SMART software can achieve multi system combination, including access control, time attendance, guard patrol , elevator, meeting attendance, POS, water control, read card to take photo, visitors and multi-part authentication etc moudle. 

CIT-1900 series product use CIT SMART software, support SQL and ACCESS database, support WINXP, WIN7, WIN8, WIN10, WIN2000, WIN2003, WIN2008 and other operating systems, support networked networking, LAN and WAN to achieve a variety of fusion.



CIT SMART  version provides: OEM packaging tool, ICPasswordEdit password sector edit、encryption and decryption tools, device search and test tools, visitor management system, three part control system and ACCESS-SQL database conversion tool etc free tools.Through the SQL database, it can be combined with CIT SMART  POS system、CIT SMART POS system, parking lot system, which can realize: access control, time attendance, patrol, elevator, meeting attendance, POS, water control, electric control, parking lot charge, vehicle guidance and integration, to achieve one card system、one database management.



Structure Diagram:




Compatible with CIT SMART one card management system. Support: Access Control SystemOffline Access Control SystemAccess Control & Time AttendanceGuard TourCanteen POS SystemWater ControllerElevator Access Control Board, Parking Lot System etc unified management,to realize one card management system with one card and one database.