Security Systems DS7400Xi-CHI Control / Communication Host Operator's Manual, introduces the functions and features of the product and how to use it.
The manual covers the hardware layout, wiring diagrams for the control host, typical anti‑theft and fire detector connections, and detailed programming of zones, outputs, and keyboards. It also includes system installation guidance and a fault‑handling guide.
Users can follow the step‑by‑step instructions to configure the DS7400Xi-CHI, test battery and power supplies, and resolve common faults such as module or line failures. This manual is written in Chinese.
| Alarm output power | 12 V DC, 1.75 A |
|---|---|
| Primary AC supply | 18 V AC, 50 VA transformer (UL‑approved) |
| Maximum cable length per line | 1000 ft (305 m) |
| Maximum keyboards supported | 15 keyboards |
Enter the appropriate PIN and press the System Reset key (系统复位).