ar-837-er The document provides details on AR-837 access controllers, including product information, terminal cables, tools, and installation instructions.

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Χαρακτηριστικά AR 837 ER Dual communication interfaces RS485 and Ethernet 10 100M Base T Built in watchdog real time clock anti vandalism switch ingress  AR 837 E LCD Access Controller Description Customerized Panel is availabal 16 000 Card User Capacity 32 000 Event log Built in Door Bell button  The document provides details on AR 837 access controllers including product information terminal cables tools and installation instructions AR 837 E EE can detect abnormal event with the door contact status in arming mode When a forced entry or door opening too long an alarm is generated and sent  AR 837 ER does not support the CN13 doorbell output function and the doorbell function can only be triggered through the key by enabling it using command 3 

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Customer reviews

4.9 out of 5 stars
525753 global ratings

Top reviews from the Thailand

  • pro_3667
    5.0 out of 5 starsVerified Purchase
    AR-837-E / EE / EF / ER / W
    Reviewed in the Thailand on July 6, 2025
    AR-837-ER has built-in door bell function, adding a relay module that can connect with external bells, no need to equip another door bell on decoration surface, ...
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  • lucky6243
    1.0 out of 5 starsVerified Purchase
    AR 837 EF:Fingerprint | PDF | Computers
    Reviewed in the Thailand on July 17, 2025
    Χαρακτηριστικά AR-837-ER · Dual communication interfaces: RS485 and Ethernet(10/100M Base T) · Built-in watchdog, real time clock, anti-vandalism switch, ingress ...
    One person found this helpful
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  • pro5806
    1.0 out of 5 stars
    AR-837-ER
    Reviewed in the Thailand on June 25, 2025
    The document provides details on AR-837 access controllers, including product information, terminal cables, tools, and installation instructions.
    15 people found this helpful
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