The DS-3 ATM UNI Interface Module is a member of the APX Universal Interface Module range. The DS-3 UNI Module enables connection to ATM services, either as network or switch ports. The DS-3 ATM UNI module works at 44.736Mbps and is standards compliant with the ITU-T DS-3 Spec.

The DS-3 UNI Module provide a single ATM interface port. LED's are provided to indicate that real traffic is passing across the ATM interface. The UNI Modules are "Hot Swappable" to ease maintenance with replacement modules recovering immediately without further configuration.

Each UNI module perform physical layer and ATM layer functions including framing, alarm processing and cell delineation. Flexible clock options remove network synchronisation problems. Statistics are gathered at all layers and loopbacks are available to aid diagnostic functions. OAM Alarm and Loopback functions are supported as per UNI 3.1Management and configuration of the UNI Module is achieved via the simple menu driven user interface and may be monitored using SNMP Traps.Optionally, the UNI modules may be fitted with the Policing Module allowing individual PVC's to be monitored according to pre determined service levels and violating cells may be discarded or tagged as low priority.