Usually control network termination is not needed.

Termination is recommended if the total control network length is longer than 100 meters (330 ft). Termination is done by running a CAT5/CAT6 cable from the last vacant GLM control network connector back to the termination connector (labelled 'Terminator') on the GLM Network Adapter device.

In very large systems with long overall control network cabling, some of the products may not appear on the network or receive all commands. If this happens, use a termination. If the total network cabling exceeds 300 m (1000 ft), please contact your local Genelec distributor to find a specific network and termination solution.

*The terminator connector is the farthest connector on the right. It is labelled as terminator