The TTC/Acterna 305 is a compact network analyzer for DS3 communication testing across coaxial cable, fiber optic, and microwave systems. It delivers simultaneous error, signal, and performance measurements with support for unframed, M13, and C-bit parity frame formats. Field technicians and network engineers use this analyzer to identify and diagnose network faults rapidly, ensuring reliable telecommunications infrastructure.
Technical Specifications
Protocol Support
• DS3, DS1, DS0, E1 (DS1 requires optional T-BERD 201 module)
• Frame formats: Unframed, M13, C-bit parity
Error Measurements
• Logic, bipolar, frame error, error rate, errored second, percent error-free seconds
• Pattern slip counting
• Single, burst, or variable rate error insertion
• Programmable error rate threshold
• Thru Data Error Insertion capability
Signal Analysis
• Signal level and signal power measurement
• Frequency analysis
• Extended-length pseudorandom pattern generation
Interfaces & Drops
• DS3 primary interface
• DS1/DS0/E1 drop capability
• Optional DS1 pattern insertion into DS3 output
• Printer and remote control interface support
Physical Configuration
• 19″ Rack Mount (Option 40652-01)
• 23″ Rack Mount (Option 40652-02)
– Key Features
• Modular design supports optional DS1 analyzer, signal analysis, remote control, and multiple DS3 outputs
• DS1 drop option for granular protocol analysis
• Thru Data Error Insertion for in-service testing without service interruption
– Typical Applications
• DS3 circuit validation and acceptance testing
• Network troubleshooting and performance monitoring
• DS1/DS0 extraction and analysis from DS3 signals
• Error insertion and threshold testing
– Compatibility & Integration
The analyzer integrates with TTC/Acterna interface modules and adapters for CCITT G.703, DDS, ATM, and serial interfaces (RS-449, V.35, TTL, RS-232). It operates across diverse transmission media, enabling flexible deployment in legacy and modern telecommunications networks.
