Delta Link: Product components

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Delta Link box (face)

Shown with connector covers in place.

Wi-Fi antenna

Connect to socket labeled WIFI.

Cellular antenna

Connect to socket labeled MDM.

AC connector

Supplied as part of a Delta Link kit to allow custom power cables to be used. Connect to the Delta Link port labeled AC-IN. See accessories for an office test cable.

Total station cable

Connect to port labeled MDTS. If longer cable distances are required, then Topcon can supply open-ended total station cables and rewireable Delta Link connectors.

Meteosensor with cable

Connect to port labeled GP. This item is often refered to as THP sensor.

Backup battery and cable

Backup battery with cable. Connect cable to battery box and Delta Link port labeled DC-IN-B.

Connector plate

Connector plate view showing labels and connected cables (backup battery box not pictured here).

Hardware kit

Standard mounting components are shown. This kit allows both wall and pole mounting of your Delta Link unit.

Optional accessories

There is a limited range of accessories available for the Delta Link system. It is advised to purchace at least one AC mains test cable suitable for your region with your first Delta Link system. This allows testing and configuration in the office.

    Power supply (terminator varies based on locale)

    For mains power, connect to port labeled AC IN. A country specific test cable is pictured.

    This cable is for office purposes only and should not be used in the field!

    For alternative power sources, such as solar, wind, fuel cell, battery only, or any combination, use the port labeled DC IN. A suitable connector is available.

    DC-DC input module

    This is required when an external power source is used that has an output voltage that does exceed the operating input voltage of 28 V DC of the Delta Link.

    Connect this item directly to the port labeled DC-IN A, and connect your external power to this DC-DC unit.


    Various (replacement) connectors are available:

    1. AC mains connector
    2. DC-IN A
    3. GP and I/O port connector
    4. Total station or MDTS connector
    5. Ethernet cap—fits around suitable pre-wired ethernet cables. Refer to the Delta Link user manual for details.