Yeastar D30 Module

The Yeastar D30 is a DSP module, used to expand the capacity of S-Series PBX and P-Series PBX. For each D30 module added, the max amount of users increased by 100, and concurrent calls increase by 30.
Use up to 1 module on the S100, and up to 2 modules on the S300.
DSP Expanson Module for Yeastar S100 and S300 Systems
Install on the motherboard to expand capacity by 100 extensions and 30 concurrent calls
Use up to 1 module on the S100 and up to 2 modules on the S300