Digital Intercom

Harding Instruments Co.’s DXL is the newest member of the Microcomm family of digital intercom systems. The system facilitates secure and clear communication with inmates, correctional officer and visitors. A variety of master stations and intercom stations are available to satisfy the needs of virtually any installation.


For customers installing a new system, the company recommends its 400-series DXL solution. This series carries both audio and switch status on a single supervised wiring pair and provides microphone amplification at the station. All systems provide a full range of calling, paging and monitoring features (including load sharing and call forwarding) to help enhance the safety and security of a facility.