The DS7400Xi series addressable control host has rich functions that can be programmed through a keyboard or from a remote location. After programming, it can support up to eight partitions.

Up to 248 defense zones, distributed within eight zones;

Main functions:
Equipped with 8 defense zones, it can operate 240 zones using a two core bus (excluding detector power lines), for a total of 248 defense zones.
The total length of the bus is 2.0km.
Can accommodate 15 keyboards, divided into 8 independent partitions, which can be independently armed/disarmed.
There are 200 sets of personal operation passwords; 30 programmable defense zone functions.
Multiple defense zone development modules can be selected: the eight defense zone development module DS7432, the single defense zone printing module DS7457, the dual defense zone expansion module DS7460i, and the single defense zone expansion module DS7465i with output.
The auxiliary output presidential interface can be connected to peripheral devices such as DX3010, DX4010V2-CHI, DSR-32C relay output modules, etc., and can achieve various alarm/output relationships such as one-to-one, many to one, and one to many for zone alarm and output.
Direct connection to the printer can be achieved through DX4010V2-CHI.
It can be connected to the alarm center through PSTN and supports multiple communication formats such as 4+2 and CONTATT ID.
The network alarm function can be achieved by connecting the B420-CN or ITS-DX4020-G network interface device to the LAN network.
Can achieve keyboard programming or remote control programming. Green programming or restoration site supports wireless expansion function: 2 wireless receivers, 112 wireless detectors or buttons.