This document is an operation manual for the Security Systems DS7400Xi-CHI Control/Communications Host. It provides information on the wiring diagram, typical burglar and fire wiring diagram, hardware layout diagram, and system performance reference guide. It also includes programming instructions for comprehensive control, zone function, partition control, and other features, as well as operating instructions and keyboard usage.
This manual describes the Bosch DS7400Xi-CHI security control and communication master, covering wiring diagrams, system layout, and performance reference guidelines. It explains how to install the unit, connect keyboards, modules, and auxiliary power, and provides detailed programming procedures for zones, outputs, and emergency functions.
The guide also includes a fault handling section with diagnostic codes, battery testing steps, and procedures for addressing ground faults, module failures, and communication errors. Users can follow the described key sequences to arm, disarm, and configure the system for various security scenarios. This manual is written in Chinese.
| Transformer input voltage | 18 V AC, 50 VA |
|---|---|
| Alarm output supply | 12 V DC, 1.75 A |
| Maximum keyboard bus cable length | 1000 ft (305 m) |
| Programmable output 1 current rating | 1.0 A |
| Programmable output 2 supply | 12 V, 500 mA |
Press the personal PIN followed by the ON key (PIN + ON).
Up to 15 keyboards can be connected to the system.
Enter the PIN and press the System Reset key to test the battery.
A reading between –4.5 V and –7.5 V DC shows a ground fault.