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WizSense, WizMind, TiOC, WizColor, ePoE — what the names mean and when each one matters when choosing a camera. WizSense, WizMind, TiOC, WizColor, ePoE — what the names mean and when each one matters when choosing a camera. What does IPC-HDBW3441R-ZS mean? Model codes, series 1–7, PTZ and panoramic cameras, and how to get cameras running. What does IPC-HDBW3441R-ZS mean? Model codes, series 1–7, PTZ and panoramic cameras, and how to get cameras running. Three model families, search in plain words and alarm rules written as text — what Xinghan is and which devices run it. Three model families, search in plain words and alarm rules written as text — what Xinghan is and which devices run it. DSS Professional or DSS Express? Read the full overview of Dahua software, licensing and technical requirements. DSS Professional or DSS Express? Read the full overview of Dahua software, licensing and technical requirements. NVR, XVR or IVSS? Model codes decoded, how the series differ, the AI split with the camera, drives, RAID and backup. NVR, XVR or IVSS? Model codes decoded, how the series differ, the AI split with the camera, drives, RAID and backup. Villa, apartment or modular? What 2-wire gives you, and why installation is easier than its reputation. Villa, apartment or modular? What 2-wire gives you, and why installation is easier than its reputation. Who may come in and who was here when — one system, both answers. Who may come in and who was here when — one system, both answers. Wireless 868 MHz or wired M-BUS? Detectors, capacities and which suits where. Wireless 868 MHz or wired M-BUS? Detectors, capacities and which suits where. DoLynk Care — Dahua cloud management: the topology draws itself, faults arrive as notifications and most fixes need no site visit. DoLynk Care — Dahua cloud management: the topology draws itself, faults arrive as notifications and most fixes need no site visit. Toide ja võrk objektil — PoE standardid ja võimsuse arvutus, splitterid 12 V seadmetele, mitu kaamerat ühe kaabliga ja Wi-Fi pääsupunkti valik. Toide ja võrk objektil — PoE standardid ja võimsuse arvutus, splitterid 12 V seadmetele, mitu kaamerat ühe kaabliga ja Wi-Fi pääsupunkti valik. Toiteplokid, UPS ja ülepingekaitse — pingelang kaablis, VA ja W vahe, kaitse mõlemasse otsa ning kuidas teha ühendused nii, et need Eesti ilmas vastu peaksid. Toiteplokid, UPS ja ülepingekaitse — pingelang kaablis, VA ja W vahe, kaitse mõlemasse otsa ning kuidas teha ühendused nii, et need Eesti ilmas vastu peaksid.

Alarm systems — wireless and wired

An alarm system does what a camera does not: it notices an intrusion and makes noise, even when nobody is watching a screen. Dahua offers two routes, and the choice between them mostly comes down to whether the walls are already closed.

1. Wireless — quick to install in a finished building

At the centre sits the hub — ARC3000H or the newer ARC3800H — communicating on 868 MHz and holding up to 150 zones. Models exist with 2G and 4G mobile connectivity, so the alarm still gets out when the internet is down.

DeviceWhat it does
PIR detectorMovement in a room. Also available as a pet-immune version and as a PIR with a camera, which sends a picture with the alarm — removing much of the work of checking false alarms.
Door contactA door or window opening.
SirensIndoor and outdoor sirens with a strobe.
Keypad and remoteArming and disarming, also with a Mifare card.
Panic buttonManual alarm.
Smoke and gas detectorsFire and methane leaks — the security system covers safety too.
Smart plugSwitching a device on or off on alarm or on a schedule.
Input moduleBrings a wired detector into the wireless system, so existing detectors can be reused.
When wireless: a finished house, a renovated flat, rented premises — anywhere the walls should stay shut. Installation is a matter of hours, not days, and the system can be extended later without an electrician.

2. Wired — larger sites and a long life

On the wired side the panel is the ARC9016C: 16 inputs, expandable to 256 with expansion modules, 4 outputs (up to 256) and 8 areas. Detectors connect over an M-BUS or RS485 bus; the ARM808 expansion module allows a bus run of up to 2400 metres. Alongside it come the ARK50C LCD keypad, wired indoor and outdoor sirens, and a 4G module for alarm transmission.

When wired: a new build where cabling can go in straight away; a large site with dozens of zones; a warehouse or factory where several areas need to be armed separately; and anywhere replacing batteries over the years would be a nuisance or where reliability has to be maximal.

3. Which to choose

WirelessWired
InstallationHours, no damage to wallsNeeds cable routes, best during construction
ExtendingAdd a detector and pair itNew cable or an expansion module
MaintenanceBattery changesPractically none
CapacityUp to 150 zonesUp to 256 inputs, 8 areas
SuitsHome, flat, small office, rented space New build, warehouse, production, large site
It is not always one or the other. A wired system can form the backbone with wireless detectors covering the spots cable could not reach — or the other way round, bringing existing wired detectors into a wireless system through an input module.

4. How it is used

  • On the phone — DMSS. The user arms and disarms from the DMSS app, sees zone status and gets the alarm notification immediately. The same app is where the cameras are watched and door calls are answered — the customer needs no separate app or account per Dahua device. In practice this is one of the strongest selling points: alarm, cameras and intercom in one view.
  • Together with cameras. Alarm and video belong together — a PIR with a camera sends a picture with the alarm itself, and the camera system covers the rest.
  • For the installer. Dahua's cloud platform DoLynk Care allows alarm systems to be managed remotely: adding devices, arming, filtering events and upgrading the hub and detectors over the cloud. See the DoLynk Care page.
An alarm system is not a guarding service. The system makes noise and sends a notification. If somebody also has to turn up, that is a separate agreement with a security company. Before choosing a system it is worth asking which alarm transmission that company accepts.
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Compiled from the Videovalve range and Dahua product documentation. Zone counts, range and battery life vary by model — see the product datasheet.

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