GSS HDMT 660 CI TPS Bedienungsanleitung

English

Head-End Digital Modulator

Terrestrial

HDMT 660 CI TPS

Notes on the Assembly Instructions.

As well as this supplementary Assembly

Instructions, the Assembly Instructions for the

STC

160

apply.

GSS

Grundig SAT Systems GmbH

Beuthener Strasse 43

D-90471 Nuremberg

Phone: +49 (0) 911 / 703 8877

Fax: +49 (0) 911 / 703 9210

Email: [email protected]

Internet: www.gss.de

- 2 - HDMT 660 CI TPS

Contents

1 Safety regulations .......................................................................................4

2 General information ....................................................................................4

2.1 Scope of delivery ..........................................................................4

2.2 Meaning of the symbols used..........................................................5

2.3 Technical data...............................................................................5

2.4 Description ...................................................................................6

TPS module functions ....................................................................7

Station filter .............................................................................7

Stuffing ...................................................................................7

Changing service information ....................................................7

Changing the operator ID (CAT).................................................7

Effective assignment of cable channels with low bandwidths ..............8

SelecPlex®..............................................................................8

3 Installation..................................................................................................8

3.1 Retrofitting a CA module ................................................................9

3.2 Installing the COFDM-QAM module...............................................10

3.3 Connecting the COFDM-QAM module...........................................11

4 The control panel at a glance.....................................................................12

4.1 Menu items.................................................................................12

4.2 Functions of the control panel buttons.............................................12

5 Programming............................................................................................13

5.1 Preparation.................................................................................13

5.2 Notes on level setting...................................................................13

5.3 Programming procedure...............................................................14

5.4 Programming the COFDM-QAM module ........................................16

Selecting the module / channel strip ..............................................17

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

- 3 - HDMT 660 CI TPS

QAM modulation

..........................................................................24

Inverting the user signal...........................................................25

Output data rate..........................................................................25

Substitute signal in the case of an incorrect input signal ...................26

Network Information Table (NIT)....................................................27

Network/operator identification....................................................28

Deleting (data content) a PID / Renaming a PID ..............................29

Deleting a PID (data content)....................................................29

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

- 4 - HDMT 660 CI TPS

1 safety regulations

 • The standardsEN/DINEN50083resp. IEC/EN/DINEN60728must be

observed.

 • Donotperforminstallationandserviceworkduringthunderstorms.

• Assembly, installation and servicing should be carried out by authorised

electricians.

 • Switchofftheoperatingvoltageofthesystembeforebeginningwithassem-

bly or service work.

 • Avoidshortcircuits!

 • Observetherelevantstandards,regulationsandguidelinesontheinstalla-

tion and operation of antenna systems.

 • Toensureelectromagneticcompatibility,makesureallconnectionsaretight

and the covers are screwed on securely.

 • Noliabilityisacceptedfordamagecausedbyfaultyconnectionsorinap-

propriate handling of the device.

Check the head-end station according to the safety instructions listed in their

assembly instruction.

Takeprecautionstopreventstaticdischargewhenworkingonthedevice!

Electronic devices should never be disposed of in the household rubbish. In

accordance with directive 2002/96/EC of the European Parliament and the

European Council from January 27, 2003 which addresses old electronic and

electrical devices, such devices must be disposed of at a designated collection

facility. At the end of its service life, please take your device to one of these

public collection facilities for proper disposal.

2 general information

2.1 sCope of delivery

1 Head-end Digital Modulator HDMT 660 CI TPS

1 HF connection cable

1 Brief Assembly Instructions

- 5 - HDMT 660 CI TPS

2.2 meaning of the symbols used

Important note

—> General note

–

Optional use of the buttons

 •    Performingworks

2.3 teChniCal data

The requirements of the following EU directives are met:

2006/95/EC, 2004/108/EC

The product fulfils the guidelines and standards for CE labelling (page 37).

Unless otherwise noted all values are specified as "typical".

HF input:

Frequency range: ................................................... 146.0 … 862.0 MHz

Channel range: ....................................................................C 5 … C 69

Input level:.............................................................. 60 dBμV … 80 dBμV

Input impedance:............................................................................75 Ω

Loop-through loss:............................................................................0 dB

HF output:

Output frequency:..................................................... 42.0 … 868.0 MHz

Channel separation:.............................................................. 2 … 8 MHz

Output symbol rate: .............................................1000 … 7500 kSymb/s

Modulation method [QAM]:.................................4, 16, 32, 64, 128, 256

Modulation error rate:.................................................................> 39 dB

Output level: ............................................................................. 81 dBμV

Output impedance:.........................................................................75 Ω

Connections:

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

- 6 - HDMT 660 CI TPS

2.4 desCription

The Digital Modulator

HDMT 660 CI TPS

, in the following called COFDM-QAM

module converts two COFDM

-modulated data streams into two QAM-modulat-

ed data streams.

The

COFDM-QAM module

has two HF inputs, one HF output

and 2 loop-through outputs

The COFDM-QAM module is equipped with two channel strips ("A" and "B").

The channel strips consist of the digital tuners, the digital signal processing lev-

els and an output converter. The channel strips are indicated in the

head-end

station

display with "Bx …A" and "Bx …B". Using an adequate CA module

encoded channels can be decoded via channel strip "A". The control of the

module takes place via the control unit of the

head-end station

Two LEDs indicate if the respective channel strip is switched on (LED illumi-

nates) or off, and also provide an indication of the signal quality based on their

colour.

The integrated TPS module (Transport Stream Processing) processes the data

from the demodulated transport streams. This enables service information

(NIT – Network Information Table) to be changed, data rates to be increased

(stuffing) and stations to be deleted from the transport stream (thus optimising

bandwidth for the other stations being transmitted). In addition, the operator

ID (required for e.g. visAvision) can be set.

The HF output signals are sent through the HF output of the

COFDM-QAM

module

to the output collector.

When the head-end station is switched on, the two-line LC display shows the

"SETUP" menu and the software version of the control unit. The head-end sta-

tion output level can be adjusted in this menu.

The

COFDM-QAM module

operating software can be updated using a PC or

notebook and the software "BE-Flash" via the 9-pin D-SUB socket on the head-

end station. You can find the current operating software for the

COFDM-QAM

module,

the software "BE-Flash"

and the current assembly instructions

on the

website "www.gss.de".

To operate the

COFDM-QAM

module the software version of the control unit

must be "V 10" or higher.

The

COFDM-QAM module

is designed exclusively for use in the STC 160

head-end station.

- 7 - HDMT 660 CI TPS

tps module funCtions

When converting COFDM-modulated signals to QAM-modulated cable sig-

nals, the demodulated data stream can be accessed via the integrated TPS

module. This data stream, also called transport stream, contains several sta-

tions in all their components (video, audio, data and service information),

which can be changed using the TPS module.

station filter

Individual stations can be deleted. This reduces the data rate. As a result, a

lower output symbol rate can be selected.

stuffing

The transport stream is padded using what is known as zero data. This in-

creases the data rate and, consequently, the output symbol rate. Changing

the output symbol rate suitably alters the bandwidth used (halving the output

symbol rate roughly halves the bandwidth at the output).

Changing serviCe information

The transport stream contains data in the form of tables which the receiv-

ers evaluate and require for convenient use. The TPS module can adjust the

"Network Information Table" (NIT) to accommodate the new station data. The

"NIT" contains data which is required by the set-top box for the automatic

search feature.

Changing the oper ator id (Cat)

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.

- 8 - HDMT 660 CI TPS

effeCtive assignment of Cable Channels with low bandwidths

seleCplex®

Channels with low bandwidths are the result of filtering out several

unwanted stations from the data stream. These "narrow" channels can

then be arranged in one channel to save space.

—> The required bandwidth (in kHz) is roughly equal to the symbol rate

(kSymb/s) plus 20%.

The modulator in this module employs automatic neighbouring-channel as-

signment. This means that when the output channel or the output frequency for

channel strip "A" is set, the output channel or the output frequency of channel

strip "B" will always be 8 MHz above the output channel or the output fre-

quency of channel strip "A".

If SelecPlex®will be used, the normal channel separation of 8 MHz can be

reduced up to 2 MHz via the frequency setting for channel strip "B".

3 installation

– Ensure the head-end station is mounted so it will not be able to vibrate.

Avoid, for example, mounting the head-end station onto a lift shaft or any

other wall or floor construction that vibrates in a similar way.

– 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 STC 160.

- 9 - HDMT 660 CI TPS

3.1 retrofitting aCa module

The

COFDM-QAM

module is equipped with a common interface for CA mod-

ules of various scrambling systems and service providers. Scrambled channels

can only be descrambled with a CA module suitable for the scrambling system

and the corresponding smart card. The smart card contains all the information

for authorisation, descrambling and subscription.

–

Check with the distributor or manufacturer of the CA module to be used to

ensure that it is suitable for the reception of several channels.

– The module‘s hardware and software have been thoroughly prepared

and

tested.

– Any changes made by program vendors to the structures in the program

data might impair or even prevent this function.

– When working with the CA module, please read the corresponding operat-

ing manual from the respective provider.

 • Insertthesmartcard

1into the CA module

2so that the chip

on the

smart card faces the thicker side (top) of the CA module.

 • PushtheCAmodule2without canting into the guide rails 4of the com-

mon interface slot 5according to the following picture and contact it to

the common interface.

- 10 - HDMT 660 CI TPS

3.2 installing the Cofdm-Qam module

–

Check that the plug contacts of the CA module are tightly seated in the

terminal strip on the common interface of the COFDM-QAM module and

make sure there is reliable contact.

– When installing a module, make sure that it is inserted in one of the long,

numbered grooves in front of the contact strip on the board at the rear wall

of the housing.

– The shorter, non-numbered grooves without a contact strip on the board at

the rear wall of the housing, are for add-on modules only.

 •

Open the housing of the head-end station in accordance with the assembly

instructions for the STC 160.

 • Openthelockingdevice1in the direction of the arrow.

 •

Insert the COFDM-QAM module in grooves Aand Bof an open slot (with

contact strip on the board at the rear wall of the housing) and gently slide

into the head-end station

until it makes contact with the board on the rear

wall.

 • Afterinstallingthe

COFDM

-QAM module close the locking device 1in the

direction of the arrow.

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