
MSR 4-port enhanced synchronous/asynchronous serial MIM module (MIM-4SAE) - Multifunction Interface Module (MIM) with four D 28-pin connectors that transmit, receive, and process data on serial interfaces including V.24, V.35, X.21, RS449, and RS530
Manufacturer Part Numbers: JD541A, 0231A53E, RT-MIM-4SAE-H3, JD541-61101
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