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  8. Alarm Expansion Module
  9. Alarm Expansion Module
    Dahua

    Alarm Expansion Module

    Stock Code: ARM2C0-P-W(868)

    Bridges wireless detectors to a wired alarm panel.
    An expansion module that carries wireless peripherals working in the 868 MHz band to a wired control panel. It has 2 channels of dry contact input and 2 channels of relay output onboard, and pairs with up to 16 wireless devices. It runs on 12 VDC or standard PoE.
    2 channelsAlarm input
    2 channelsRelay output
    16Wireless peripheral capacity
    868.0 - 868.6 MHzCarrier frequency
    12 VDC / PoEPower supply
    1024Offline event cache
    Key features
    Wireless capacityA single module recognizes 16 wireless peripherals, of which at most 6 are sirens and the rest are detectors and keyfobs.
    Zone loopsRecognizes NO/NC, 1EOL, 2EOL, and 3EOL zone loop types and works with 2.7 K, 4.7 K, and 6.8 K EOLR values.
    Relay to the panelConverts data from wireless peripherals into TCP/IP network data and sends it to the wired control panel.
    Frequency and encryptionCommunicates in the 868.0 MHz - 868.6 MHz band and uses AES128 encryption.
    When the link dropsStores up to 1024 events while the panel connection is lost, detects case tampering, and shows signal strength on the web page.
    InstallationJoins the network over a 10 Mbps / 100 Mbps Ethernet port; the 126.0 mm × 57.0 mm × 33.2 mm electro-galvanized sheet case fits into the panel.
    Technical Specifications
    Port
    Alarm Input 2-channel dry contact input onboard; Zone loops: NO/NC, 1EOL, 2EOL, 3EOL; 3 EOLR values: 2.7 K, 4.7 K and 6.8 K
    Alarm Output 2-channel relay output onboard (≤30 VDC, 1 A, resistive load only)
    Wireless Peripheral Supports up to 16 wireless peripherals (max. 6 sirens, detectors, and keyfobs included)
    Network Port 10 Mbps/100 Mbps self-adaptive Ethernet port, standard PoE
    Function
    Indicator Light 3 (Power: Red, Wireless: Green, Pairing: Green)
    Button 2 (Pairing button and factory reset button)
    Offline Cache Max. 1024 buffer data
    Signal Strength Detects wireless signal strength via alarm controller webpage
    Tamper Case tamper detection
    Wireless
    Carrier Frequency 868.0 MHz–868.6 MHz
    Communication Distance Up to 1,000 m (3,280.84 ft) in open space
    Encryption Mode AES128
    General
    Power Supply 12 VDC/PoE (802.3af)
    Operating Temp. –10 °C to +55 °C (+14 °F to +131 °F)
    Dimensions 126.0 mm × 57.0 mm × 33.2 mm
    Casing Material Electro-galvanized sheet

    Datasheet

    ARM2C0-P-W(868)

    12/17/2026

    Kullanım Kılavuzu

    ARM2C0-P-W(868)

    12/17/2026

    ARM2C0-P-W(868)

    12/17/2026

    Teknik Çizim

    ARM2C0-P-W(868)

    12/17/2026

    ARM2C0-P-W(868)

    12/17/2026

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