数字通讯分析仪 / 误码仪 IFR2854s 厂家: AEROFLEX Digital testers for PCM and data applications up to 140 Mbit/s including mux/demux. PCM and data pattern generator and error detector from 50 bit/s to 140 Mbit/s Demultiplex and monitor framing errors and alarms at 140, 34, 8 and 2 Mbit/s simultaneously Generate and monitor test patterns, framed or unframed, at all hierarchical levels within 8, 34 and 140 Mbit/s **s 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 (2854S), codirectional, contradirectional and EUROCOM (2854S & 2855S) Data interface and analog channel access G.821,G.921, G.826, 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