MJS-280 TCP/IP door access control system is a non-contact IC card door access control product based on TCP/IP protocol. It is mainly used to manage the entrances and exits of important departments, and is an effective measure for safety and security management.
The MJS-280 is a TCP/IP based access control system designed for secure management of entrances in facilities such as banks, hotels, data centers and factories. It consists of a management workstation (PC) and one or more MJS-280 controllers that communicate over Ethernet.
The manual provides a detailed description of system architecture, hardware specifications, wiring diagrams, installation steps, configuration options, and fault diagnosis procedures to help installers and technicians set up and maintain the system. This manual is written in Chinese.
| Maximum number of controllers in a system | 256 |
|---|---|
| Communication interface | 10BaseT Ethernet |
| Ethernet transmission rate | 10 Mb |
| Supported door count | 2 single‑direction doors or 1 double‑direction door |
| Supported reader count | 2 Wiegand readers or 2 RS‑485 readers |
| Maximum Wiegand reader distance | 80 m |
| Maximum RS‑485 reader distance | 500 m |
| Physical dimensions | 154 mm × 122 mm |
| Operating voltage | 12 V DC |
| Operating current | < 300 mA |
| Maximum stored users | 40,000 |
| Maximum stored event records | 40,000 |
Each controller can store up to 40,000 card users.
The controller communicates over 10 Mb Ethernet.
It operates on a 12 V DC supply with a current draw of less than 300 mA.
It can control either two single‑direction doors or one double‑direction door.