The Spirent AT9015 is an ATM DS1 module for the Spirent SmartBits system, engineered to generate and monitor ATM network traffic with advanced signaling and SVC testing capabilities. This SmartCard delivers high-rate call setup testing, latency measurement, and comprehensive physical and ATM layer statistics collection across DS1 interfaces.
Technical Specifications
ATM Interface & Signaling
• Interface Type: DS1
• Simultaneous SVCs: Up to 8,388,606 per port; 335,544,240 total across 40-port test suite
• Call Setup Rate: 800 calls/second per port (32,000 calls/second with 40-port configuration)
• Signaling: Smart Signalling support for high-rate signaling test validation
• Latency Resolution: 100 ns, measured between AT-9xxx modules with one transmit or receive trigger per card
Protocol & Encapsulation Support
• RFC 1483 (LLC/SNAP, VC Mux Routed)
• RFC 1577 (Classical IP over ATM)
• RFC 2364 (PPP over AAL5)
• Null encapsulation with user-definable frame generation in single or multiple cells
Performance Monitoring
• Counter Capacity: 4.29 million counts maximum per counter with rate and event display
• Physical Layer: Line, section, and path error counters; alarm status reporting
• ATM Layer: Transmit/receive payload cells, corrected and uncorrected HEC errored cells, receive errors, symbol errors
Physical & Electrical
• Module Type: ATM DS1 SmartCard for SmartBits chassis
• LAN Interface: RJ-45 for ATM-to-LAN inter-networking
• Power (chassis): 100–240 Vac ± 10%, 50–60 Hz ± 3 Hz; <100 W consumption
• Chassis Dimensions: 3U, 19" rack; 17.3" (439 mm) depth
• Chassis Weight: 8.4 kg maximum
• Operating Temperature: 0°C minimum
– Key Features
• Peak call rate and SVC setup latency measurement
• Scalable architecture supporting up to 40 ports per test suite
• Granular ATM and physical layer statistics collection
• RFC-compliant encapsulation modes for diverse network scenarios
• DS1 rate traffic generation and analysis
– Typical Applications
SVC signaling validation, ATM network performance baseline establishment, call setup rate benchmarking, latency profiling in switched ATM environments, and RFC 1483/1577/2364 protocol compliance testing.
– Compatibility & Integration
Designed as a plug-in module for Spirent SmartBits test systems. Integrates with multi-port configurations and connects to LAN infrastructure via standard RJ-45 connectivity.
