MSR 4-port enhanced synchronous/asynchronous serial HMIM module (HMIM-4SAE) - High-performance Multifunction Interface Module (HMIM) with four D28 connectors that transmit, receive, and process data on serial interfaces including RS449, X.21, and RS530
HPE FlexNetwork MSR3000 Router Series
HPE FlexNetwork MSR4000 Router Series
HPE Router High-performance Multifunction Interface Module (HMIM)
