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Triax CGT 660 Assembly Instructions Manual

Head-end digital modulator terrestrial
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Head-End Digital Modulator
Terrestrial
CGT 660
Art. No. 325022
GB
Assembly Instructions
As well as this supplementary Assembly Instructions,
the Assembly Instructions for the CSE 2800 apply.
TRIAX - your ultimate connection

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Summary of Contents for Triax CGT 660

  • Page 1 Head-End Digital Modulator Terrestrial CGT 660 Art. No. 325022 Assembly Instructions As well as this supplementary Assembly Instructions, the Assembly Instructions for the CSE 2800 apply. TRIAX - your ultimate connection...

  • Page 2: Table Of Contents

    Channel / Frequency setting ............18 Output frequency, Output channel, Modulator .........19 Output level ................20 Input channel ................20 Setting the fine-tuning ..............21 Hierarchical modulation ...............22 Station filter ................23 Test the status of the individual stations ........24 - 2 - CGT 660...
  • Page 3 Renaming a PID ..............30 Factory reset ................31 Saving data ................32 Setting the CA module ..............32 PID monitoring ...............32 Configuring the CA module .............33 Selecting stations ..............34 6 Final procedures ..................35 7 Channel and frequency tables ..............36 - 3 - CGT 660...

  • Page 4: Safety Regulations

    C o p e o f d e l i v e ry 1 Head-end Digital Modulator CGT 660 1 HF connection cable...

  • Page 5: Meaning Of The Symbols Used

    HF inputs: ..............2 IEC sockets (female) HF loop-through output: ..........2 IEC sockets (male) HF output: ................1 F socket Slot for CA module: ................1 Connection strip (20-pin): ...... For supply voltages and control circuits - 5 - CGT 660...

  • Page 6: Description

    C r i p t i o n The Digital Modulator CGT 660, in the following called COFDM-QAM module converts two COFDM-modulated data streams into two QAM-modulated data streams. The COFDM-QAM module has two HF inputs, one HF output and 2 loop-through outputs.

  • Page 7: Tps Module Functions

    Some network operators transmit an operator ID in the data stream (e.g. visAvision). By changing the CAT the operator ID can be adjusted to the de- mands. - 7 - CGT 660...

  • Page 8: Effective Assignment Of Cable Channels With Low Bandwidths

    – Before installing or changing a module, switch off the head-end station or unplug the power cable from the mains power socket. Take measures to protect against ESD! • Open the housing of the head-end station in accordance with the assembly instructions for the CSE 2800. - 8 - CGT 660...
  • Page 9 (top) of the CA module. • Push the CA module without canting into the guide rails of the com- mon interface slot according to the following picture and contact it to the common interface. - 9 - CGT 660...

  • Page 10: Installing The Cofdm-Qam Module

    • After installing the COFDM-QAM module close the locking device in the direction of the arrow. - 10 - CGT 660...
  • Page 11 (length approx. 80 cm). To connect the second tuner the loop-through-output of the other tuner can be used, if necessary. • After programming, connect the modulator output to one of the input sockets of the output collector. - 11 - CGT 660...

  • Page 12: The Control Panel At A Glance

    C t i o n s o f t h e C o n t r o l pa n e l b u t to n s To move the cursor, call up functions To adjust values and functions To save the programmed data To switch to the next menu - 12 - CGT 660...
  • Page 13 256 QAM. – Check the output level of the output collector according to the assembly instructions of the head-end station CSE 2800 and if necessary set it to the demand of the cable system. - 13 - CGT 660...
  • Page 14 Bx 1A only Channel strip “A“ with CA module PID Check on / off Bx 1A Menu <= => Edit Bx 1A TV 04/04 - 14 - CGT 660 X / 0 ..X – entschlüsseln descrambling...
  • Page 15 Single Carrier Bx 1A neue NIT erstellen => Make make new NIT on / off Bx 1A CAT-ID 0xDE00 on / off 1A/B – – – – - 15 - CGT 660 Werkeinstellung Bx 4 FACTORY Bx 4 FACTORY aufrufen...
  • Page 16 —> The display shows "SETUP BE160" and the software version of the head-end station (e.g. V 10). —> In the "SETUP" menu, the output level of the output collector can be adjusted (see CSE 2800 assembly instructions). - 16 - CGT 660...
  • Page 17 "A" and "B". If a CA module will be used note the supplementary programming procedure on page 32. • Press the button. —> The "Channel / Frequency setting" – "OUTPUT" menu is activated. - 17 - CGT 660...
  • Page 18 " only the frequency setting can be used. ® • Use to select channel setting "Channel" or frequency setting "Freq.". • Press the button. —> The "Output channel" resp. "Output frequency" – "OUTPUT" menu is activated. - 18 - CGT 660...
  • Page 19 —> For using "SelecPlex®", in channel strip "B" only the normal chan- nel separation of 8 MHz can be reduced up to 2 MHz. • Press the button. —> The "Output level" – "LEVEL" menu is activated. - 19 - CGT 660...
  • Page 20 In this menu you can set the input channel. You can also carry out the fine- tuning. 1A/B INPUT C 34 (578.0) —> Besides the channel display the appropriate input frequency is dis- played. • Use to set the input channel. - 20 - CGT 660...
  • Page 21 The menu "Hierarchical modulation" – "Input – Priority" is activated. • P ress the button. 1A/B Input —> Instead of the frequency the current value of the fine tuning is dis- played. - 21 - CGT 660...
  • Page 22 —> This setting is not relevant in case of standard modulation. INPUT Bx 1A Priority: high • By pressing , set to "high" or "low". • Press the button. —> The "Station filter" – "PROGRAM" menu is activated. - 22 - CGT 660...
  • Page 23 —> If a service number (e.g. "SERVICE 131") appears instead of "TV" or "RA", this indicates that an unnamed station or an undefined data stream is being received. - 23 - CGT 660...

  • Page 24: Test The Status Of The Individual Stations

    —> For higher QAM modulation, the output symbol rate is lowered. An output QAM modulation of > 64 QAM places a large burden on the cable network. Due to noise, delay and frequency response prob- lems, reception of the converted output signal can be impeded. - 24 - CGT 660...

  • Page 25: Inverting The User Signal

    "SelecPlex ", pages 8 and 21). ® Approximately calculation of the output bandwidth: Symbol rate [MSymb/s] x 1.15 = Bandwidth [MHz] 7.2 [MSymb/s] x 1.15 = 8.28 [MHz] 6.9 [MSymb/s] x 1.15 = 7.935 [MHz] - 25 - CGT 660...

  • Page 26: Substitute Signal In The Case Of An Incorrect Input Signal

    Carrier" signal should be provided as an output signal whenever an incorrect input signal occurs. 1A/B FAILURE Null Packets • Use the buttons to set the output signal required. • Press the button. —> The "Network Information Table" – "NIT" menu is activated. - 26 - CGT 660...
  • Page 27 NIT is added again. If you have changed parameters in the meantime, you must first select "Make" to generate a new, up-to-date NIT. • Press the button. —> The "Network/operator identification" – "CAT-ID" menu is activated. - 27 - CGT 660...

  • Page 28: Network/Operator Identification

    —> If you try to change the network/operator identification (operator ID) of a transponder which cannot be modified, "not modified" ap- pears in the display. • Press the button. —> The "Deleting/Renaming a PID" – "PID" menu is activated - 28 - CGT 660...
  • Page 29 —> "drop" is displayed at the right side. • Repeat this process in order to delete more PIDs (max. 9). —> In order to undo any changes, select the corresponding memory location(s) and set the hexadecimal number of the PID, which was dropped, to "1FFF" —> "– – – –" is displayed. - 29 - CGT 660...
  • Page 30 PID, which was renamed, to "1FFF" —> "– – – –" is displayed. • Press the button. —> The "Factory reset" – "FACTORY Defaults" main menu is activated. - 30 - CGT 660...

  • Page 31: Factory Reset

    —> The factory defaults are invoked ("FACTORY STORE"). • Press the button. —> The factory defaults are saved. The display shows "STORE" —> Return to "Selecting the module" (page 17). —> By pressing the button the "Saving data" – "MEMORY" menu is activated. - 31 - CGT 660...

  • Page 32: Saving Data

    If particular PIDs are not descrambled the CI module is reset. Ad- ditionally dropouts may occur if several stations are descrambled. To prevent this the PID monitoring can be switched off. • Use the buttons to switch "off" or "on" the PID monitoring. - 32 - CGT 660...

  • Page 33: Configuring The Ca Module

    • Use the buttons to activate the menu desired. • Press the button to activate the menu. • Use the buttons to select the function desired. • To set the CA module use the buttons. • All settings are saved by pressing the button. - 33 - CGT 660...

  • Page 34: Selecting Stations

    The currently selected station remains unchanged. • Use the buttons to call up the stations in sequential order which are to be descrambled, then use to descramble (" X ") or not to descramble them (" 0 "). - 34 - CGT 660...

  • Page 35: Final Procedures

    (page 10, fig. 4). • Test the output level of the output collector according to the CSE 2800 as- sembly instructions and set the output level required for the cable system. • Mount the base plate and the front cover (see CSE 2800 assembly instruc- tions). - 35 - CGT 660...

  • Page 36: Channel And Frequency Tables

    C 48 690.00 C 58 770.00 C 68 850.00 C 29 538.00 C 39 618.00 C 49 698.00 C 59 778.00 C 69 858.00 C 30 546.00 C 40 626.00 C 50 706.00 C 60 786.00 - 36 - CGT 660...
  • Page 37 Service: TRIAX A/S • Bjørnkærvej 3 • DK-8783 Hornsyld Alterations reserved. Technical data E. & O.E. V15/19062012...

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