The Marconi IFR Aeroflex 2852/3 is a digital communications analyzer and pattern generator engineered for comprehensive testing of digital communication systems operating from 50 bit/s to 34 Mbit/s. This instrument generates and monitors custom test patterns across framed and unframed hierarchical levels, supporting multiple data test interfaces and delivering detailed error analysis per international standards.
Technical Specifications
Data Rate and Interface Support
• Data rate range: 50 bit/s to 34 Mbit/s
• Standard data test interfaces: RS-232, X.21 (X.24), RS-449 (V.36)
• V.35 interface (2853 model)
• Optional codirectional and contradirectional interfaces with EUROCOM option
• DTE interface standard; DCE interface optional
• Analog channel access supported
Pattern Generation and Analysis
• Custom test pattern generation, framed or unframed
• Full support across all hierarchical levels within 8 Mbit/s and 34 Mbit/s signals
• Error detection and analysis: G.821, G.921, M.2100, G.962
• Demultiplex and hierarchical error and alarm monitoring
• Measurements: propagation delay, frequency deviation, frequency and level, DTMF and CAS
Framing Systems
Supports all commonly used framing systems up to 34 Mbit/s for European and North American digital hierarchies. European and hybrid versions available.
Power and Control
• DC power and internal battery options
• Remote control via RS-232 and IEEE-488 (GPIB)
• Optional PC-based software for remote control, results storage, and display (Windows 95, 98, NT compatible)
– Key Features
• Desktop and rack-mountable form factors
• The 2853 model extends capabilities of the 2850B and 2851 series analyzers
• Comprehensive test pattern control across multiple hierarchical levels
– Typical Applications
Digital communication system validation, network performance characterization, hierarchical signal analysis, and compliance verification against international transmission standards.
– Compatibility & Integration
The 2852 and 2853 models provide most functionality with data test limitations to codirectional and contradirectional interfaces. Full remote control integration via standard laboratory interfaces.
