| General > Fully software   configurable > Local or remote   management > End-to-end path   management and configuration via   the SNMP and SSH based NMS > Wide variety of   aggregate and drop side interfaces > Full range of   automatic and user directed diagnostics > embedded Intel   x86 based processing unit with persistent flash and disk storage and Linux   2.6 based application environment   Network and Service Management > Full end-to-end   path management and provisioning > Local or remote   management interface through SNMP and SSH > Centralized alarm   management with audible and visual alarm notification > Centralized   software administration > Automatic   discovery of equipment additions, deletions and changes > Extensive   performance data for SLAs and billing   | IP > Internal   softswitch-based architecture > Fully software-driven   packet processing providing user services and special management operations > Support for   advanced IP services, including QoS management, statefull packet inspection   and stream processing > Congestion(application   quota) management and performance monitoring > Load balancing   management and failover detection in a cluster farms     | Interface card support > up to 9 copper connections 10BASE-T,   100BASE-TX, 1000BASE-T (xE) > up to 4 sync   serial V.35/RS-530 (xW) > up to 8 G.703   connections (xG) > 2 anync serial   and up to 8 USB interfaces   Synchronization Sources > ITU-T G.703   external > Line derived   (V.35) > Internal   (FreeRun)   Operating Environment > 0 C to 40 C (32   F to 104 F) > 5% to 85%   relative humidity, noncondensing > 60 m (197 ft.) below   sea level to 1,800 m (5,905 ft.) above   sea leve |