Desktop and rack mountable digital testers for PCM and data applications up to 34 Mbit/s including mux/demux.

• PCM and data pattern generator and error detector from 50 bit/s to 34 Mbit/s
• Demultiplex and monitor framing errors and alarms at 34, 8 and 2 Mbit/s simultaneously
• Generate and monitor test patterns, framed or unframed, at all hierarchical levels within 8 and 34 Mbit/s signals including 64 kbit/s and n x 64 kbit/s
• Data test interfaces: RS-232, X.21, V.35, RS-449 (V.36), RS-530 (2853), codirectional, contradirectional and EUROCOM (2852 & 2853)
• Data interface and analog channel access
• G.821,G.921, M.2100 and G.962 analysis
• Measurements include propagation delay, frequency deviation, frequency and level measurement, DTMF and CAS
• DC power and internal battery options
• Remote control via RS-232 or IEEE-4888 with optional PC applications software
• 2850B and 2851 full functionality