JXDH-6701 Digital Frequency Converter User Manual
Contents
1. 1 3 Power Cord Connection The power supply outlet is located at the left of rear panel and the power switch is just above it The protective grounding wire connective screwis located at the down left side of power supply outlet e Connecting Power Cord User caninsert one end into power supply outlet while insert the other end to AC power e Connecting Grounding Wire When the device solely connects to protective ground it should adopt independent way say share the same ground with other devices When the device adopts united way the grounding resistance should be smaller than 12 Caution Before connecting power cord to INDH 6701 Digital Frequency Converter user should set the power switch to OFF 1 4 Signal Wre Connection The signal connection includes the connection of input signal wire and the connection of output signal wire The input signal wire should be connected to RF IN of INDH 6701 Digital Frequency Converter IF input and IF output should be connected by the cable with 2 F plugs on 2 ends RF output signal wire should be also connected to the cable with F plug 2 Function Introduction of Front Panel 2 1 Function of Buttons Left and Right Button Move Cursor Up and Down Button Set Parameters Enter Button Unlock save modification and select function Menu Button Return to main menu check parameters modify parameter or quit Attention Please press the Enter button after set new parameter2. button display the following content Set 470000 470000KHz Press Left or Right button let the cursor point at the number which should be set press Up or Down button to set it press Enter and display the following content Select Saving When display the following content Select Saving Done It means the setting is successful Please enter the next parameter setting 5 RF Level ATT In the standby mode press Menu button or Enter button press Down button in succession display the following content RF Level ATT Select Language Press Enter button display the following content Set _ 00 0 00 0dB Press Left or Right button let the cursor point at the number which should be set press Up or Down button to set it press Enter and display the following content Select Saving When display the following content Select Saving Done It means the setting is successful Please enter the next parameter setting 6 Select Language In the standby mode press Menu button or Enter button press Down button in succession display the following content RF Level ATT Select Language Press Enter button display the following content Select HX English Press Left or Right button let mark point at the Language which should be set press Enter display the following c
3. frequency conversion adopt excellent qualified dual balanced frequency mixer good linearity low distortion low clutter interference RF and medium frequency system circuits adopt multi channel filters which reduce outside signal interference against local machine RF output circuit adopts international brand amplifying module which guarantees output dynamic and parasite suppression 611 exterior flexible corollary equipment Application Range Satellite digital TV broadcast MDS digital TV head end Digital CATV network standard structure independent power supply elegant RF Input Frenquency 30 862MHz central frequency of an optional aptotic channel RF Input Mode QAM QPSK CMIS user must indicate a certain one in three modes RF Input Level 95dBu v RF Input Level Range 85 105dB u v RF Input Impedance 75Q Input AGC Range 10dB 1dB Input Return Loss gt 12dB RF Output Frequency 110 862MHz central frequency of an optional aptotic channel IF Input and Output 35 44MHz 125KHz Stepping Frequency Maximum Output Level 2115 dBu v Out put Inspection 20 dBc Adjusting Range of Output Level 0 20 dB 0 5dB Stepping Output Impedance 1 Q Output Return Loss gt 12dB Phase Noise 296 dBc l0KHz 30 300 MHz 294 dBc l0KHz 300 550 MHz 292 dBc l0KHz 550 860 MHz Frequency Conversion Precision lt 5 KHz S
4. level is lower than 85dBu V or higher than 105dBu V the indicator light will turn bright 1 5 Panel Sketch Picture 1 5 1 Front Panel Sketch Picture INDH 6701 Digital Frequency Converter Enter Menu Power O A Np EE V 1 LCD 2 Power Indicator Light 3 Warning Indicator Light Inspect the input level range If the level is lower than 85dBu V or higher than 105dBuV the warning indicator light will turn bright 4 Direction Button 5 Confirm Unlock Button 6 7 Menu Button 1 5 2 Rear Panel Sketch Picture AC110V 220V 50 60H RFIN IFIN RF OUT TEST O O O O ud From left to right 1 RF Input Port F interface 2 IF Input Port F interface 3 IF Onput Port F interface 4 RF Onput Port F interface 5 Test Port of RF Output F interface 6 Power Supply Switch and Electrical Outlet 7 Device Earthing Pole Chapter 2 Installation Guide 1 1 Acquisition Check When users open the package of the device it is necessary to check items according to packing list Normally it should include the following items e INDH 6701 Digital Frequency Converter 1 e User s Manual 1 e AC Input Power Cord 1 If any itemis missing or mismatch with the list above please contact local dealer 1 2 Installation Preparation When users install device please follow the below steps The details of installation will be described at the rest part of this chapter Users can also refer rear pane
5. Tid p JXDH 6701 Digital Frequency Converter User Manual V2 6 Chengdu Jiexun Electronics Co Ltd Chapter 1 Product Introduction 1 1 Description The function of INDH 6701 Digital Frequency Converter is to convert DVB RF signal of one channel into another channel and it dispenses with the aftertreatment of decompressing encoding and multiplexing to the digital signal It can be widely applied to satellite digital TV digital broadcast CATV network and so on 1 2 Feature The function of this product is to convert RF signal of one channel into another channel This product can uplink convert medium frequency into radio frequency conversely it can downlink convert radio frequency into medium frequency besides it also can convert frequencies between RFs or peer frequencies This product is suitable for digital signal processing as well as analogue signal processing LCD real timely displays various performance indexes Having RF automatically gain control AGC making front end system working more reliably and stably Micro processing unit controls input output signal levels Adjacent frequency design medium frequency processing surface audio wave filter SAW good interference suppressing Local oscillation adopts unique phase locked loop low phase noise low phase jitter low error rate especially suitable for digital signal frequency conversion Down link frequency conversion and up link
6. iring device power air conditioning power and lighting power are independent to each other Device power requires AC power 220V 50Hz Please carefully check before running 1 2 3 Grounding Requirement m All function modules good grounding designs are the base of reliability and stability of device Also they are the most important guarantee of lightning arresting and interference rejection Therefore system must follow this rule I m Coaxial cable s outer conductor andisolationlayer should keep sound electric conducting with the metal housing of device m Grounding conductor must adopt copper conductor in order to reduce high frequency impedance and the grounding wire must be as thick and short as possible m The 2 terminals of grounding wire must make sure for well electric conducting and process for antirust m It is prohibited that users use other devices as part of grounding wire s electric circuit m The section of the conjunction between grounding wire and device s frame should be equal or greater than 25mm 1 2 4 Frame Grounding All the machine frames should connect to protective copper strip The grounding wire should be as short as possible and avoid circling The section of the conjunction between grounding wire and grounding strip should be equal or greater than 25mm 1 2 5 Device Grounding Connecting the device s grounding rod to frame s grounding strip with copper wire
7. l chart during the installation The main content of this chapter including m Checking the possible device missing or damage during the transportation m Preparing relevant environment for installation m Installing INDH 6701 Digital Frequency Converter 1 2 1 Device following S Connecting signal wires Installation Flow Chart Illustrated as Acquisition Check Fixing Device Connecting ae Connecting Setting Running Signal Wire Parameter Device Power Cord 1 2 2 Environment Requirement Item Machine hall space Machine hall floor Environment temperature Relative temperature Pressure Door amp window Wal I Fire protection Power Requirement When userinstall machine frame array in one machine hall the distance between 2 row of machine frames should be 1 2 1 5mand the distance to wall should be no less than 0 8m Electric Isolation Dust Free Volume resistivity of ground anti static material 1x10 1x10 Q Grounding current limiting 1MQ Floor bearing should be greater than 450Kg m2 5 40 C sustainable 0 45 short time installing air conditioning is recommended resistance 20 80 sustainable 10 90 short time 86 105KPa Installing rubber strip for sealing door gaps and dual level glasses for window It can be covered with wallpaper or brightness less paint Fire alarm system and extinguisher Requ
8. ontent Select Saving When display the following content Select Saving Done It means the setting is successful Please enter the next parameter setting 7 Factory Setting In the standby mode press Menu button or Enter button press Down button in succession display the following content Factory Setting View Serial Number Press Enter button display the following content Select Confirm Exit Press Left or Right button let mark point at the alternative option press Enter display the following content Select Saving When display the following content Select Saving Done It means the setting is successful 2 4 System Error and Solution 2 4 1 Condition of Indicator Light There are 2 LED indicator lights on the panel as following 1 Power is power indicator light Turn on power supply the light turn bright it means power supply works well 2 Alarm is warning indicator light It is out when system works well 3 2 General Malfunction Solution 1 Power indicator light is out Please check if the power cord is inserted electrical outlet or not and if power supply turn on or not 2 Warning indicator light turn bright It means no RF signal input or RF signal input level is not in the level range Please readjust RF input level to the middle point of AGC control level
9. purious Output Rejection 255dB The distance of 2 contiguous User order guide It is necessary to indicate the mode of RF input A QAM CMTS B QPSK And conversion style C RF to IF D IF to RF E RF to RF For example INDH 6701 AE means RF input mode is QAM CMTS and conversion style is RF to RF frequency points gt 20MHz Audio In Band Flatness 0 5dB General Size 44mmx 482mmx 330mm Specification Condition 0 45 Work 20 80 Storage Power AC220V 10 50Hz 20VA Supply 1 4 System Component and work element 1 4 1 System Component INDH 6701 Digital Frequency Converter system component as following 1000 MH7 enlar 50 70M forwar Qo gt QO gt 85 105dBuv RF input Output level co 50 70M lt lt ____ IF input enlarg RF outp 1 4 2 Work Elements 1 4 2 1 Down Converter The signal is input from RF interface frequency range is 30 862MHz It is converted to IF signal by digital frequency converter 1 4 2 2 Up Converter 96 1dBuv IF output Input local IF signal or outside IF into digital frequency converter it will output standard RF signal of required frequency It can do parameter setting of INDH 6701 Digital Frequency Converter to operate the buttons on panel and view LCD On the panel there is a warning indicator light of input signal level in order to inspect the input level range If the
10. s If there is a mark before a certain parameter it means this parameter is available If not it means the original parameter is kept and you can re set parameter 2 2 Startup After startup display the following content System Initializing Please Wait Then the following content INDH 6701DSC RF Input xxx 000MHz Power indicator light turn bright enter work condition 2 3 Set Parameters 2 3 1 Main Menu Structure Press Enter button LCD turn bright press Down button in succession display the following menus in turn ModeSet RF Input Frequency IF Frequency RF Output Frequency RF Level ATT Select Language Factory Setting View Serial Number About DSC System 2 3 2 Operation Explanation 1 Mode Set In the standby mode press Menu button or Enter button display the following content ModeSet RF Input Frequency Cursor points at ModeSet press Enter button display the following content Select QPSK QAM or Other Press Left or Right button let mark points at the mode as requirement and press Enter button display the following content Select Saving When display the following content Select Saving Done It means the setting is successful Please enter the next parameter setting 2 RF Input Frequency In the standby mode press Menu button or Enter button display the following con
11. tent ModeSet RF Input Frequency Cursor points at ModeSet press Down button to move it at RF Input Frequency press Enter button display the following content Set 810000 810000KHz Press Left or Right button let the cursor point at the number which should be set press Up or Down buttons to set it press Enter and display the following content Select Saving When display the following content Select Saving Done It means the setting is successful Please enter the next parameter setting 3 IF Frequency In the standby mode press Menu button or Enter button press Down button in succession display the following content IF Frequency RF Output Frequency Press Enter button display the following content Set 36000 36000KHz Press Left or Right button let the cursor point at the number which should be set press Up or Down button to set it press Enter and display the following content Select Saving When display the following content Select Saving Done It means the setting is successful Please enter the next parameter setting 4 RF Output Frequency In the standby mode press Menu button 11 or Enter button press Down button in succession display the following content IF Frequency RF Output Frequency Press Enter
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