MJS-800 TCP/IP door access control system hardware manual, introduces the features of door access control system, hardware structure, device debugging, installation, common problems and solutions and other practical reference materials.
The MJS-800 is a TCP/IP based access control system developed by ZhiYuan Electronics. It consists of a management workstation, event servers and door controllers, and supports up to 256 event servers and 8 doors per controller. The system uses Ethernet for communication with event servers and RS‑485 for controller links.
This manual provides a detailed description of system features, hardware specifications, installation procedures, wiring diagrams, configuration steps, and a troubleshooting guide to help engineers and end‑users set up and maintain the system efficiently. This manual is written in Chinese.
| Maximum doors per controller | 8 |
|---|---|
| Supported card readers | Wiegand 26/34 |
| Event server – doors per server | 8 |
| Event server – network capacity | 256 servers |
| Communication speed (Ethernet) | 10 Mb/s |
| Operating voltage | 10 ~ 24 V DC (recommended 12 V) |
| Operating temperature range | -20 °C ~ 70 °C |
| Maximum cardholders per controller | 35 000 |
| Maximum event records stored | 75 000 |
Check the RS485 wiring for correct connections, use a multimeter to verify continuity, and ensure the bus is not broken or improperly terminated.
The total length of the RS485 network between the event server and door controllers can reach up to 500 meters.
A management workstation can connect up to 256 event servers.