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DISCONTINUED, Replaced by CX350s


CATV Network Testing Simplified

Industry's first integrated test solution supporting legacy analog CATV signals, high definition DVB-C carriers and DOCSIS 3.0 cable modem emulation/measurement in a single instrument. Standard features include a high performance dual band Signal Level Meter (SLM), forward/return path ingress measurement, deep interleaving support, and QAM constellation diagram and diagnostics. Optional features include a QAM+FEC Upstream Signal Generator (USG), a long range Time Domain Reflectometer (TDR) optimized for troubleshooting 75ohm CATV cables, a Forward and Return Path digital QAM Analyzer, and Advanced Signal Measurements which include an Adaptive Equalizer On/Off function to troubleshoot MER/BER problems produced by micro-reflections and related frequency and impedance impairments.

Equipped with built-in 10/100/1000-T/X Ethernet engine, copper (10/100/1000-T) and fiber (1000-X) interfaces, BERT, RFC2544 and related test applications, the CX350 is able to test and troubleshoot backbone connections to the CMTS and verify the full bandwidth of a DOCSIS 3.0 network while operating in modem pass-through mode.

A high capacity LiIon battery pack supports a full day operation on a single charge while a high contrast full color TFT touch-screen with user selectable "skins" allows viewing in a variety of lighting conditions.


  • Robust, lightweight chassis packed with powerful features for demanding environments and test conditions
  • High resolution color 7" touch-screen with graphical user interface
  • Fast system power up time in less than 20 seconds
  • Ethernet LAN management port for remote control, back office applications, and workforce management
  • Fast and efficient test result transfer to USB memory stick or FTP upload via LAN or DOCSIS ports
  • Maintain instrument software, manage test setups and channel tables, process measurement results and generate customer test reports using included ReVeal™ PC software
  • Extend field testing time using interchangeable Lilon battery pack/s
  • Ability to lock user interface to prevent unwanted human interference during long-term testing
  • Supports Triple Play test applications such as VoIP, IPTV and high speed Internet access via Ethernet management port, DOCSIS test port, or USB WiFi adaptor


  • Frequency range from 5MHz to 1GHz
  • Comprehensive SLM measurements (single channel, system scan, tilt, and installation check)
  • Video and Audio power level measurements (Annex A, B, C signals)
  • Forward and Return path QAM measurements (MER, Pre/Post BER, Constellation diagram, Histogram, and Equalizer on/off mode)
  • Advanced Digital measurements* (HUM,EVM, Phase Jitter, Symbol Rate Error, Frequency Response, Group Delay)
  • Dual Band DOCSIS 3.0 compliant Cable Modem*
  • Spectrum view to capture impulse noise and interference
  • Home Installation Procedure (HIP) with user defined test limits
  • Built-in Upstream Generator* (CW, QPSK, QAM-16/64/128/256 modulation)
  • Built-in TDR* - supports up to 2km/6000ft of standard coaxial cable
  • Single DS1 Transmitter/Receiver with Balanced (100Ω) interfaces for full Rate DS1 and Fractional Nx64kbit/s or Nx56kbit/s testing
  • Single 10/100/1000-T/X Ethernet port (BERT, Throughput, RFC2544 and Loopback testing)
  • ISDN PRI (ANSI and ETSI) call setup*