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DTV742

8VSB 4-Channel Multiplexer

User’s Manual

Summary of Contents for DTV742

Page 1: ...DTV742 8VSB 4 Channel Multiplexer User s Manual...

Page 2: ...is subject to change without notice Revi sions may be issued to advise of such changes and or additions 2004 Wegener Communications Inc All rights reserved WEGENER COMPEL CONTROL and DTV742 are tradem...

Page 3: ...3 Rack Mounting 15 2 3 DTV742 Connections 16 Figure 2 1 DTV742 System Setup 16 Figure 2 2 DTV742 Rear Panel 16 Table 3 DTV742 Connector Details 17 Ethernet 18 Terminal I O 18 Chapter 3 Operation 3 1 O...

Page 4: ...3 Rear panel Indicators 33 3 5 Front panel Operation 34 Home screen 34 View Alarms Warnings screen 35 Clear Errored Seconds screen 35 Input Setup screen 36 Program Status screen 37 Front Panel Help Ti...

Page 5: ...4 1 Maintenance 45 4 2 General Troubleshooting 45 No functions at all 45 4 3 Alarms and Warnings 46 Normal operation 46 ALARM All inputs missing 46 WARNING Carrier level out of range 47 4 4 Trouble w...

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Page 7: ...n of your DTV742 3 Operation instructions on starting and operating your DTV742 4 Maintenance and Troubleshooting information on maintaining your DTV742 and resolving possible operating difficulties 5...

Page 8: ...ront panel provides a user interface through an LCD eight LEDs and six push buttons see section 3 4 DTV742 Controls and Indicators on page 31 Ports that allow connection to power incoming signal and p...

Page 9: ...LO Leakage at Input 63 dBm maximum SERIAL PORT Standard RS 232 Handshaking None Service Software download Baud Rate 115 2 kbps Formatting 8 data bits 1 start 1 stop bit no parity ETHERNET PORT Physica...

Page 10: ...ture use MECHANICAL Height 1 std RU 1 75 inches nominal 44 5 mm Width EIA std 19 inch mounting 482 6 mm Depth 13 5 inches 342 9 mm Weight 10 3 lb 4 67 kg Expansion Module Slots 1 each 2 5 W x 1 375 H...

Page 11: ...t unit reset Carrier An RF signal containing coded audio video and or other data DVB ASI see ASI EIA Electronic Industries Association Ethernet The widely used LAN technology specified by IEEE standar...

Page 12: ...of these and other tables PSIP Program and System Information Protocol a method for transporting digital television system information and electronic program guide data RAM Random access memory a gen...

Page 13: ...mediately Be sure to check the pack age contents carefully for important documents and materials NOTE Please save the packing materials and original shipping containers in case you must later return t...

Page 14: ...hanical Loading Mounting of the equipment in a rack should be such that a hazardous condition is not produced by uneven loading This unit is not very heavy but total rack loading must be considered Al...

Page 15: ...front brackets to the rack c Connect the chassis grounding screw to an earth ground before connecting the power cord to the unit WARNING The front brackets must be secured to the rack If front bracke...

Page 16: ...igure 2 2 DTV742 Rear Panel Before applying power make the following connections to your DTV742 refer to Table 3 for connector details a Connect the chassis grounding screw to an earth ground before c...

Page 17: ...J6 ASI OUT 2 ASI Out 3 female BNC J8 ASI OUT 3 ASI Out 4 female BNC J9 ASI OUT 4 Ethernet LAN female RJ 45 J7 1 J7 2 J7 3 J7 4 J7 5 J7 6 J7 7 J7 8 EN OUT EN OUT EN IN NC NC EN IN NC NC Terminal femal...

Page 18: ...this page you can select desired channels and monitor unit status SNMP MIB is available Contact Customer Service see page 49 for assis tance Terminal I O The Terminal serial port is configured to 115...

Page 19: ...keypad All settings may be presumed to be retained through power cycling unless other wise specified This means that they are still in effect through resets whether by power outage commanded reset or...

Page 20: ...from the local PC or computer on the LAN attached to your DTV742 b Set the browser s address field to http nnn nnn nnn nnn where nnn nnn nnn nnn is the IP address of the unit to be controlled set from...

Page 21: ...nit and signal status displays The left side of the screen is the control side and the right side provides status of the inputs Figure 3 1 Control Status Page Control The first item on the control sid...

Page 22: ...trol heading PID Display Mode allows selection of either a decimal or hexadecimal numbering system for display of the PID addresses on all screens Time Source is used to select which RF Input to use f...

Page 23: ...exadecimal numbers are indicated as 0x123 The right side of the page shows the programs contained in each of the ASI output streams Acquiring Broadcast ATSC Signals As with the traditional television...

Page 24: ...tions may be stored for later use The Current Configuration at the top of the page gives the name of the configuration in use After changing parameters you may name the new configuration and store it...

Page 25: ...DTV 742 User s Manual wegener com 25 800057 01 Rev B Figure 3 3 Unit Configuration Page...

Page 26: ...ograms from the inputs which will be used in one of the four ASI outputs The left side of the screen simply presents for easy viewing the information on all programs detected on the four RF inputs The...

Page 27: ...is used to select the program number to be used from that RF input Note that a program from a given RF input may only be placed in one PID group An attempt to place the same RF input and program numb...

Page 28: ...show the RF input and program number for each Pidset PID group as set up on the Config In page The remaining columns are used to configure the output The Enabled check box is used to select the progra...

Page 29: ...Out 1 Page The Program box is used to renumber the program if desired or necessary In the example input program 3 is changed to output program 1 and input pro gram 2 is kept as program 2 Even though...

Page 30: ...e been made click Submit to activate the out put Set up Config Out 2 3 and 4 in the same manner When complete return to the Control Status page to verify that the outputs appear as desired and that no...

Page 31: ...you will see the DTV742 s home screen the default LCD screen see Figure 3 8 below which rotates through data from each of the four RF inputs The channel number modulation type 8VSB 64QAM or 256QAM sig...

Page 32: ...the DTV742 The Escape ESC button allows exit from user input fields without saving the entry or selection ESC also provides upward navigation through the menu structure to the home screen The arrow bu...

Page 33: ...RF input 2 locked Off RF input 2 not locked RF IN 3 GREEN Constant RF input 3 locked Off RF input 3 not locked RF IN 4 GREEN Constant RF input 4 locked Off RF input 4 not locked WARNING Constant Warni...

Page 34: ...er modulation type 8VSB 64QAM or 256QAM signal to noise ratio and errored seconds are displayed for each input For disabled RF inputs RF 2 in the example below the home screen will appear as follows P...

Page 35: ...to go to Clear Errored Seconds if counter is non zero or Input Setup Press the ESC key to go to the Home Screen Alarms Warnings Message Screen No Alarms or Warning Any active alarms or warnings are de...

Page 36: ...level RF Input Screen RF Input 1 Press ENT to go to the three 3rd level input setup screens Tuner Enable set to ON or OFF Channel Number set number and RF Standard set to Cable or Broadcast Press the...

Page 37: ...rd Broadcast Press the ENT key and then the or key to select Broadcast or Cable Press the ENT key to confirm the selection or ESC to cancel changes Press the key to go to Channel Number Press the ESC...

Page 38: ...s the program number at input AAAAAAA is the service descriptor for the program Y is the ASI output port s and BBBBBBB is the available audio on the input for the program AC 3 MPEG or MPG AC3 Press th...

Page 39: ...d unit address on the LAN Press the ENT key and then use the arrow keys to change the netmask Press the ENT key again to confirm the selection or ESC to cancel changes Press the key to go to Gateway S...

Page 40: ...2 No special pro cedure is required Reset Unit Press the ENT key to reset the unit and start the boot loader Press the key to go to IP Setup Press the ESC key or to go to the Home Screen Command Succe...

Page 41: ...elf for further execution from there See 3 9 Software Upgrades on page 43 for instructions on putting the DTV742 into serial com mand mode During boot up the following screens appear in sequence on th...

Page 42: ...rogram number iden tifies each program in the transport stream When a source of data is acquired the stream is passed to the internal transport demultiplexer This circuit then extracts the PAT and PMT...

Page 43: ...have a new code revision DTV742_102 cf for example first delete the current copy of DTV742 cf Then make a copy DTV742_102 cf in the same folder The copy will be named copy of DTV742_102 cf Rename the...

Page 44: ...erterminal will not send binary files A program named Tera Term will send the binary files and is available at no charge on the Internet c Power on DTV742 and press any key on your computer to stop th...

Page 45: ...er Customer Service 4 2 General Troubleshooting This section is not an intended as an exhaustive list of all possible situations Please contact us as directed in Chapter 5 Customer Service on page 49...

Page 46: ...Browser Control and 3 5 Front panel Opera tion in Chapter 3 of this manual Normal operation RF Input and ASI Output Locked The LEDs are shown here reflecting the DTV742 in normal operation with no Ala...

Page 47: ...range 4 4 Trouble with Browser Interface If the unit appears to be functioning normally with no alarm or warning condi tions but you cannot use the web browser interface first check the LED on the re...

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Page 49: ...as stated herein 5 2 Technical Support In the event that the unit should fail to perform as described or if you need help resolving problems with your DTV742 contact Wegener Communica tions Customer S...

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