Blonder tongue NXG-32CH-QM User manual
Stock # Model Name Description
6785 NXG-32CH-QM QAM Output Module - 32 Agile QAM Carriers
QAM Modulator Module
NXG-32CH-QM
User Manual
© Blonder Tongue Labs, Inc. ISO 9001:2015 Certified P/N: 651248000A |Rev: 091020
All Rights Reserved. Specifications subject to change without notice. All trademarks are property of their respective owners.
2NXG-32CH-QM Module
User Manual
Returning Product for Repair (or Credit)
Before returning product, please contact the Blonder Tongue Service
Department at 1-800-523-6049, Ext. 4256 or visit our website:
located beneath the product image.
Blonder Tongue Laboratories, Inc.
One Jake Brown Road
Printed in the United States of America.
be the proprietary property of the registered owners.
intellectual property rights. Reverse engineering or disassembly is prohibited.
3NXG-32CH-QM Module
User Manual
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3.1 MODULE STATUS.....................................................................................................................................................
3.2 DETECTED ISSUES ...................................................................................................................................................
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4NXG-32CH-QM Module
User Manual
åElevated Operating Ambient - If installed in a closed or multi-unit rack assembly,
the operating ambient temperature of the rack environment may be greater
than room ambient. Therefore, consideration should be given to installing
the equipment in an environment compatible with the maximum ambient
temperature per Section 2.3.
åReduced Air Flow - Installation of the equipment in a rack should be such that
the amount of air flow required for safe operation of the equipment is not
compromised.
åMechanical Loading - Mounting of the equipment in the rack should be such
that a hazardous condition is not achieved due to uneven mechanical loading.
åCircuit Overloading - Consideration should be given to the connection of
the equipment to the supply circuit and the effect that overloading of the
circuits might have on overcurrent protection and supply wiring. Appropriate
consideration of equipment nameplate ratings should be used when addressing
this concern.
åReliable Earthing - Reliable earthing of rack-mounted equipment should be
maintained. Particular attention should be given to supply connections other
than direct connections to the branch circuit (e.g. use of power strips).
åRead all safety and operating instructions before you operate the unit.
åRetain all safety and operating instructions for future reference.
å
åFollow all installation, operating, and use instructions.
åUnplug the unit from the AC power outlet before cleaning. Use only a damp
cloth for cleaning the exterior of the unit.
åDo not use accessories or attachments not recommended by Blonder Tongue,
as they may cause hazards, and will void the warranty.
åDo not operate the unit in high-humidity areas, or expose it to water or
moisture.
åDo not place the unit on an unstable cart, stand, tripod, bracket, or table. The
åDo not block or cover slots and openings in the unit. These are provided for
a radiator or heat register. Do not place the unit in an enclosure such as a cabinet
without proper ventilation. Do not mount equipment in the rack space directly
above or below the unit.
åOperate the unit using only the type of power source indicated on the marking
label. Unplug the unit power cord by gripping the plug, not the cord.
åThe unit is equipped with a three-wire ground-type plug. This plug will fit only
into a ground-type power outlet. If you are unable to insert the plug into the
outlet, contact an electrician to replace the outlet. Do not defeat the safety
purpose of the ground-type plug.
åRoute power supply cords so that they are not likely to be walked on or pinched
by items placed upon or against them. Pay particular attention to cords at plugs,
convenience receptacles, and the point where they exit from the unit.
The STOP sign symbol is intended to alert you to the
(servicing) instructions that if not followed, may result in
product failure or destruction.
(servicing) instructions.
within the product's enclosure that may be of sufficient
magnitude to constitute a risk of electrical shock.
åBe sure that the outdoor components of the antenna system are grounded in
the following diagram:
åWe strongly recommend using an outlet that contains surge suppression or
ground fault protection. For added protection during a lightning storm, or when
the unit is left unattended and unused for long periods of time, unplug it from
the wall outlet and disconnect the lines between the unit and the antenna. This
will prevent damage caused by lightning or power line surges.
åDo not locate the antenna near overhead power lines or other electric light
or power circuits, or where it can fall into such power lines or circuits. When
installing the antenna, take extreme care to avoid touching such power lines or
circuits, as contact with them can be fatal.
åDo not overload wall outlets or extension cords, as this can result in a risk of fire
or electrical shock.
å
may touch dangerous voltage points or short out parts. This could cause fire or
electrical shock.
åDo not attempt to service the unit yourself, as opening or removing covers may
expose you to dangerous voltage and will void the warranty. Refer all servicing
to authorized service personnel.
åUnplug the unit from the wall outlet and refer servicing to authorized service
personnel whenever the following occurs:
oThe power supply cord or plug is damaged;
o
oThe unit has been exposed to rain or water;
oThe unit has been dropped or the chassis has been damaged;
oThe unit exhibits a distinct change in performance.
åWhen replacement parts are required, ensure that the service technician uses
replacement parts specified by Blonder Tongue. Unauthorized substitutions
may damage the unit or cause electrical shock or fire, and will void the warranty.
åUpon completion of any service or repair to the unit, ask the service technician
to perform safety checks to ensure that the unit is in proper operating condition.
5NXG-32CH-QM Module
User Manual
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• -20 dB RF test point
The NXG-32CH-QM (QAM Modulator Module)
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NXG-32CH-QM Module
User Manual
Input
Bandwidth: 2.2 Gb input transport streams from the NXG
Mainframe back plane
Output
Connector:
Modulation:
Standards:
DVB Symbol Rate:
Frequency Range:
Tuning:
RF Level:
Output Level Range:
Frequency Tolerance:
Frequency Stability:
Amplitude Flatness:
Phase Noise:
Spurious:
Impedance:
Return Loss:
Signal-to-Noise Ratio
(SNR):
MER:
I/Q Phase Error:
I/Q Amplitude Imbalance:
1x “F” Female
(Front-panel; for combined output)
QAM 256
ITU-T J.83; Annex A and B
Variable; ; ≤ 7 MSymbol/sec (MBaud)
54 to 1002 MHz (all Ch.’s ≤ 768 MHz)
CATV Channel Selectable (Ch. 2 to 158)
+45 dBmV (per channel)
30 to 45 dBmV (all configured channels)
± 0.5 kHz @ 77 °F (25 °C)
± 5 kHz over 32 to 122 °F (0 to 50 °C)
± 0.25 dB (over 6 MHz channel)
-98 dBc (@ 10 kHz)
-60 dBc
75 Ω
14 dB typical
40 dB typical
39 dB typical
Less than 1 degree
Less than 1%
Alarms/Monitoring
Front Panel Indicator: 1x Status LED
Monitor Output: RF Out Test (-20 dB) connector
General
Dimensions:
(W x D x H)
1.15” x 15.5” x 7.0”
(29 mm x 394 mm x 178 mm)
Power: Via NXG Mainframe back plane
Power Consumption: 32 W
Weight: 2.0 lbs (0.9 kg)
Operating Temperature: 32 to 122 ˚F (0 to 50 ˚C)
Storage Temperature: -13 to 158 ˚F (-25 to 70 ˚C)
Operating Humidity: 0 to 95% RH @ 35 ˚C max,
non-condensing
Storage Humidity: 0 to 95% RH @ 35 ˚C max,
non-condensing
7NXG-32CH-QM Module
User Manual
If any issues arise, the problem will be shown here and the color will correlate to the urgency of the issue. When there are no
to red and indicate what is causing the error (see Figure 3.2b)
Indicates the current status of the module. Status Levels and colors shown below:
Error
Indicates the temperature of the module.
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NXG-32CH-QM Module
User Manual
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Indicates the serial number of the module installed.
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9NXG-32CH-QM Module
User Manual
Displays programs sourced from all input
used in
the top of Figure 4.1a.
bandwidth (Mb/S). An empty checkbox ( ) can be
checked ( ) to select one or more programs to be added
to the Output Transports column.
When the line is expanded, the following data ( ) for
each program is shown:
Channel number assigned to a program within the Virtual Channel Table (VCT)
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(Transport Stream) Map
Clicking the small arrow ( collapsed; expanded) beside each program will show or hide further choices or read-
only data.
NXG-32CH-QM Module
User Manual
current_bitrate = (current_bitrate * 7 + new_value) / 8
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and These two lines indicate the sum-
total number of programs that can be added to a group of transports
and will count down as programs are added. Up to 128 programs
can be assigned to TSO 1 – TSO 16, and up to 128 programs can be
Displays the available number of programs that may be
added to the selected TSO. As each program is added, the number
Displays the available bandwidth remaining for programs to be added to TSO 1 to TSO 32 combined.
Allows the user to select which transport stream output number that they want to add one or more
programs to.
“Add” and
programs from the TSO (Transport Stream Output) as well as
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has been unmapped and removed from the TSO #.
program(s) from the Output Transports column,
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Only programs which are being encoded will show up in this column.
( ) to select one or more programs to be removed from the Output Transports column.
When the line is expanded, the following data ( ) for each program is shown:
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NXG-32CH-QM Module
User Manual
Displays the module slot number that
this program is being sourced from as well as the source
chassis.
all PSI tables for this stream. Range is 1 - 65,535.
Channel number assigned to a
program within the Virtual Channel Table (VCT)
The bitrate is calculated over a period
The peak bitrate is the largest bitrate seen
in the last 15 seconds. This is updated every 15 seconds.
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Each program can be located manually by clicking open the modules and the programs in order
the Modulator Module.
To add, locate the desired program and if it is available, check the empty box next to it.
From the pull-down menu, select which TSO # the chosen programs will be added to. Click “Add”
An empty check box will always appear next to available programs. This check box will not appear
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NXG-32CH-QM Module
User Manual
and setup of the programs.
The “Search”
The and
An example of a numeric search is shown to the right. The
a text, while the rest of the programs will be
performed.
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Each program can be manually located by clicking open the programs in order to view more in-
user knows which program(s) they intend to remove, and the
To remove, locate the desired program and check the box next to the program to select.
Click
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NXG-32CH-QM Module
User Manual
(Transport Stream)
can be set up through either or .
In (Figure 5.1), the following parameters can be set:
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be unique.
CVCT: Cable Virtual Channel Table – 1-999
TVCT: Terrestrial Virtual Channel Table – 1-99
OFF
Displays the module number that this channel is being sourced from as well as the source stream
user must enter a unique output program number for each program.
to 999 for Cable.
user may enter a minor channel number for the output program. The range is 1 to 99 Terrestrial and 0 to
999 for Cable.
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NXG-32CH-QM Module
User Manual
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To toggle into
following parameters will then be shown:
Within the (Figure 5.3) column, the user is able to narrow down the Transport Stream Outputs viewable
The “Search”
Clear Search
numbers.
The and
data.
this value higher than the previous program's output PID number.
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The following columns are used to display the PID numbers used for programs within the TS Output.
: Indicates the inputs that the PIDs are being assigned to.
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NXG-32CH-QM Module
User Manual
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The
parameters will then be shown:
Select All
uncheck any boxes they wish to show or hide from the list.
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Channel number assigned to a program within the Virtual Channel Table (VCT).
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Only programs which are being encoded will show
up in this column. A checkbox ( ) can be unchecked
( ) to select one or more TSOs to be removed from the
column.
When the line is expanded, the following read-only data
( ) for each program is shown:
Displays the module number that
this program is being sourced from as well as the
with what is currently installed and running in the
used in all PSI tables for this stream. The program
range is 1 - 65,535.
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displays each program element that a PID gets assigned to.
Map Table).
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NXG-32CH-QM Module
User Manual
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Mode
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• : Switches the channel On.
•
and servicing.
•
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NXG-32CH-QM Module
User Manual
The can provide a very basic channel name and channel number as a local guide.
Please note that this does not include any guide data and should only be used when there is no EPG available. In order to
below:
Indicates the status of the TS Output channel.
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NXG-32CH-QM Module
User Manual
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The
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NXG-32CH-QM Module
User Manual
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versions and provides a quick and easy way to apply any new updates.
released, please go to our website at: ()
module folders.
Note
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Once the update progress is complete, the user
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User Manual
For technical support please contact us at 1-800-523-6049 between the hours of 8am and 5pm EST.
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