FACT SHEET:DS2400Q QAM ANALYSIS METER
Contents
1. 48 hours can be analyzed with this model This includes the viewing of the constellation diagram The unit is compatible with 16 32 64 128 256 QAM modulation and provides power measurements feature of QPSK and COFDM digital carriers Spectrum Analysis and Measurements The DS2400Q has a spectrum mode which allows seeing the full spectrum For troubleshooting reverse path challenges the unit can set to display 5 to 65 MHz frequency spans providing an additional feature to the technician when dealing with upstream data signals The marker function is included with the spectrum mode and transient anomalies can be captured with the max hold feature Full Spectrum Scans with Marker Feature The DS2400Q supports 160 channels scanning function allowing testing the flatness and the amplitude of the HFC network quickly With the help of the marker the technician can quickly determine the anomalies related to mismatches caused by poor grounding or damaged transmission lines HUM Network Measurement The Hum measurement function helps the technician identify and troubleshoot anomalies which may result from defective capacitors faulty line splitters or couplers from lightning or excessive current overloads Both 60 amp 120 Hz tests are performed w 400Hz LPF measurements Copyright 2014 Powered by Deviser All rights reserved p 2 3 Auto Diagnostic User defined Limit Test Pass Fail This function allows the user to determine wheth2. Path amp FWD spectrums scan lt 1 0 03 v Pass Fail limit test functions w AUTO storage 6 2E 04 v Tilt measurements display 12 frequencies ES amp SES CORR amp UNCORR v AC DC voltage measurements including HUM 01 10 09 v Measurement data storage capability v User friendly operation ICON GUI Y Color display 2 8 320x240 OLED v i Return Path Spectrum 5 65 Forward Spectrum Management PC software included Toolbox Copyright 2014 Powered by Deviser All rights reserved p 1 3 950 0190 Rev A 2014 04 Details of Features and Benefits Five Multi user Defined Channel Plans Several technicians or contractors work with more than one HFC network and it is very practical to have different channel lineups to choose from 5 to 1000 Mhz In fact the unit allows up to five 5 different user defined channel plans to be included with this model Analog digital and custom frequencies can be configured in the unit by using the automated learned channel plan from an RF drop or by downloading from the PC file using the Toolbox software which is supplied free of charge with each unit The user can select up to 12 frequencies in each of the 5 user defined plans and assign them to a Favorite Tilt channel plan QAM Analysis and Channel Measurements MER plus PRE amp POST BER measurements with a several time slots 5 minutes 15 minutes 30 minutes 60 minutes 2 hours 6 hours 12 hours 24 hours and
3. Test Equipment DS2400Q a QAM Analysis Multifunction Meter Description The DS2400Q is a multifunction instrument which supports QAM constellation and analog signals for CATV networks It is the most cost effective and performing tool for the initial network construction for subscriber installations as well as for service and troubleshooting tasks Its ruggedized design which includes a shock protector combined with its icon display GUI and its AUTO pass fail specified limit feature provides increased efficiency and productivity for all types of technicians Other features like return path amp forward spectrum scan 12 favorite tilt frequencies AC line voltage test as well as HUM and DC voltage measurements combined with complete data logging and a management software makes this unit a versatile tool for cable operations MER Pre amp Post BER measurements combined with BER Statistics feature addressing errors corrected and uncorrected bits per second allows quick testing of loose connections related to pixelating or slow DS internet data flow This function allows verifying for mismatches caused by open coaxial lines or corroded devices Features A LIMIT v 5 MHz 1 GHz range analog digital signals v Multiple user channel plans with learn mode v QAM QPSK COFDM power measurements v QAM MER w constellation display v Pre and Post BER analysis 2d Sq S 0F v BER ES SES COR UNCOR bps v Return
4. er or not the various parameters and associated measurements which have been configured in the unit have been met The pass fail limit tests may include Power levels MER PRE BER POST BER Spectrum Analysis Tilt and HUM measurements With a simple keystroke the technician will no longer be required to manually take note of the results As a result more installations or service calls may be performed in a day Additionally the fact that every measurement is recorded there is no room for errors This forces performance accountability of each location thus avoiding churn which may be costly to the organization User defined Tests Thanks to the five 5 channel plans and the ability to group various tests which can be performed with a simple icon selection the technician s role becomes very efficient and productive The tests may include Level Tilt Spectrum Analysis HUM and Performance related Test Limits for both analog and digital carriers Once the test data results are stored in the instrument they can be recalled viewed and analyzed File Management Test Data Storage Several test data can be saved and stored as such Analog carriers or frequencies QAM carriers or digital frequencies channel scan tilt frequency spectrum measurement and HUM The results are saved in the File Directory menu listing the name of the file time and date These data records may be uploaded to a PC with the complimentary Toolbox soft
5. ghts reserved p 3 3 950 0190 Rev A 2014 04
6. ware for reports analysis and printing Voltage Measurement Battery and Charging The unit can measure battery voltage trunk amp distribution line voltage of the cable system identifying AC or DC automatically With the intelligent power management system the battery provides approximately 5 hours of continued operations when fully charged Standard Accessories With the SD 2400Q model the following accessories are included Protector rubber bumper carrying bag with Shoulder strap data cable serial to USB two 2 F connectors AC DC power adaptor charger Toolbox software and user s manual 950 0190 Rev A 2014 04 Specifications Range 5 MHz to 1000 MHz Frequency Accuracy 50 ppm 20 C 5 C Resolution 10 KHz Analog TV NTSC Channel Type Digital TV QAM 16 32 64 128 256 with constellation diagram plus QPSK and COFDM FM Radio Single frequency Demodulation type Standard ITU T J 83 Annex A B C Support QAM 16 32 64 128 256 QPSK and COFDM Symbol rate 1 MS sec to 7 MS sec Bandwidth 280 KHz to 10 MHz MER Modulation Error Ratio 39 dB QAM Accuracy 2 0 dB BER Bit Error Rate 1E to 1E before and after R S decoding QAM Power measurement type QAM QPSK and COFDM Digital Channel Digital Channel Average Power Level range 30 dBmV to 60 dBmV Accuracy 2 0 dB from 10 C to 30 C and 3 0 dB from 10 C to 40 C Constellation Resolution 0 1 dB Display mode QAM 64 and QAM 256 with
7. zoom in and zoom out capability Range 35 dBmV to 60 dBmV Accuracy 1 5 dB Resolution 0 1 dB Input impedance 75Q F type connector HUM Modulation Range 2 to 5 Number of Channels Analog Level Measurement 160 channels max Scanning Speed 5 channels per second Channel Scan Scale 1 2 5 10 dB div Zoom 1X 2X 3X 4X 5X five levels of magnification or full channel scan Bandwidth 2 5MHz 6 25 MHz 12 5 MHz 25 MHz 62 5 MHz and full span Scale 1 dB 2 dB 5 dB and 10 dB div Minimum Maximum Video Level 0 dBmvV to 30 dBmV Minimum Maximum A V A 10 dB to 20 dB Minimum Maximum Power Level 10 dBmV to 30 dBmV Frequency Spectrum Limit Test Parameters Minimum MER 33 dB varies with modulations and systems Max PRE POST BER 1 0E Auto Test Number of programs Maximum 7 test parameters Line Voltage Measurement Range 0 V to 100 V AC DC with accuracy of 2 V Storage Memory 512K byte Battery 11 1V 1 6AH Lithium battery 5 hours of operation Charger AC 100V to 240V 50 60Hz charge time approximately 3 hours Communication Port Adaptor RS 232C With Serial to USB data cable included Dimensions H x W x D amp Weight 218mm x 95mm x 49mm 8 52 x 3 74 x 1 93 700 grams 1 54 Ib SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE For more information on our products please visit www electroline com or call 800 461 3344 Copyright 2014 Powered by Deviser All ri
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