Aztech DSL2520U (Model Variation: Z2) Status: Legacy Hardware

The new firmware unlocks additional multiplexing modes for the 2520’s I/O channels. Users can now dynamically reconfigure inputs as high-speed counters (up to 10 kHz) without a hardware reboot—a feature requested by many automation engineers.

D-Link often hosts firmware on regional FTP servers or support portals. D-Link Technical Support Downloads