Menu
0
0

Your Cart is Empty

Add description, images, menus and links to your mega menu

A column with no settings can be used as a spacer

Link to your collections, sales and even external links

Add up to five columns

  • Add description, images, menus and links to your mega menu

  • A column with no settings can be used as a spacer

  • Link to your collections, sales and even external links

  • Add up to five columns

    • Home  / Product Manuals & Documentation
    Previous  / Next

    ELK-AEXDD Digital Dialer for Alarm Engine — Installation Instructions

    September 08, 2026 3 min read

    Installation instructions for the ELK-AEXDD Digital Dialer, a telephone communicator module for the ELK E27 Alarm Engine — wiring, jumpers, LED indicators, and cellular backup.

    💾 Download Original PDF 🛒 View Product
    Full text manual (for reference)

    Installation instructions for the ELK-AEXDD Digital Dialer, a communicator module for the ELK E27 Alarm Engine that reports alarm events to a Central Monitoring Station over a traditional landline telephone or a cellular dial capture device.

    Overview

    The ELK-AEXDD is a Digital Dialer/Communicator for the E27 Alarm Engine that allows communication with a Central Monitoring Station over a traditional landline telephone or cellular dial capture device. It operates on the E27's 4-wire data bus and features an 8-pin modular phone connector, status/diagnostic LEDs, and convenient test points for a lineman's test set.

    Specifications

    Spec Value
    Data Bus Operates from the E27 'RS-485' Data Bus
    Operating Voltage 13.8 VDC
    Reporting Format Contact ID
    Telephone Number Capacity 2
    Current Draw 31mA nominal, 43mA max

    Installation Instructions

    Before making any wiring connections, TURN THE E27 MASTER POWER SWITCH OFF.

    Data Bus Wiring

    CAT5 or CAT6 wire (4 pair, 8 conductor) is highly recommended for all data bus cables; the extra wires may be required for data return paths where multiple home runs or devices are installed. Use 4 conductors to connect terminals BUS +12V, Data A, Data B, and Neg from the control to terminals +12V, A, B, and Neg on the AEXDD.

    Refer to the E27 manual for guidelines on proper termination and wiring of systems with multiple home run connections for data bus devices. Minimum conductor size is 22 or 24 gauge. Maximum resistance per wire is 25 Ohms. Device placement beyond 1000' is not recommended.

    Telephone Line Connection

    The ELK-AEXDD connects to the telephone line via an approved RJ-31X interconnect jack, which allows the subscriber to disconnect the dialer/communicator from the public switched telephone network in the event of a malfunction. The unit is equipped with line seizure so premises telephone service is interrupted during communication to the central station. Connection to the approved jack is made with an 8-conductor telco cord connecting the 8-pin modular connector (J3) of the dialer to the RJ31X jack.

    J3 Connector Pinout

    J3 Pin Connection
    1 R1
    2 See JP6
    3 No Connection
    4 Ring
    5 Tip
    6 No Connection
    7 See JP5
    8 T1

    Jumper Settings

    Jumper Pins Setting
    JP5 1 & 2 +12V to J3 Pin 7
    JP5 2 & 3 No Connection
    JP6 1 & 2 NEG to J3 Pin 2
    JP6 2 & 3 No Connection

    LED Indicators

    Indicator State Meaning
    Line Seize OFF Dialer is idle
    Line Seize ON Dialer has seized telephone line
    Carrier Detect OFF Dialer is idle or has not received handshake from CS receiver
    Carrier Detect ON Dialer has received handshake from CS receiver
    Status Blinking Normal state
    Status On Solid Processor trouble
    Data Blinking Dialer enrolled and communicating with E27
    Data On Solid Not enrolled and/or not communicating with E27

    Optional: Cellular Backup

    A dial-capture cellular communicator can be connected to the ELK-AEXDD as a cellular back-up option for communicating alarms and events to the Central Monitoring Station, using the J3 modular connector pin table above. If desired, the cellular communicator can be powered through the J3 connector on pins 2 & 7 — the position of jumpers JP5 & JP6 determines whether power is provided through the J3 connector.

    Refer to the ElkConnect app instructions for details on enrolling the AEXDD into the E27 system.

    Limited Warranty

    The ELK-AEXDD Digital Dialer is warranted to be free from defects in workmanship for a period of 2 years from date of manufacture. Elk makes no warranty, express or implied, including that of merchantability or fitness for any particular purpose with regard to batteries used with wireless devices. Refer to Elk's website for the full warranty statement.

    Manufacturer

    Elk Products, Inc. — PO Box 100, 3266 US Hwy 70 West, Hildebran, NC 28637. Phone: 828-397-4200. Web: elkproducts.com