Hukk Sunrise Telecom CR1200R User manual

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Sunrise Telecom, Hukk Division
Page 1
CR1200R
Manual Contents
(Rev. B)
CHAPTER 1 -GENERAL INFORMATION
A general description of the CR1200R display , controls, connectors and
user interfaces.
Introduction ............................................................................. 7
Manual Overview.........................................................7
Instrument Overview....................................................8
Front Panel Drawing ....................................................9
Connectors, controls and displays .............................
10
CHAPTER 2 -PREPARATION FOR USE.
Instructions for unpacking, inspecting and preparing the CR1200R for
use.
Introduction..............................................................................13
Unpacking and initial inspection...............................13
Shipment Contents .....................................................13
Operator Maintenance................................................14
Power Requirements ..................................................14
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Model CR1200R Digital Signal Analyzer
Page 2
Battery Replacement .................................................14
CHAPTER 3 -OPERATION
Step-by-step detailed operating instructions for the CR1200R are pro-
vided in depth along with information on the advanced features of the
unit.
Getting Started.........................................................................15
F1 through F5 Function Keys....................................15
The Escape button......................................................15
Checking system status..............................................16
I/O Connections.......................................................................17
RF Input ......................................................................17
AC Adapter.................................................................17
Connecting to a Serial Printer....................................18
Connecting to a Computer Serial Port......................18
Setup Button functions ...........................................................19
System.........................................................................19
Set the Contrast...........................................................19
Speaker on/off.............................................................20
Backlight control........................................................20
Automatic Power Down.............................................20
Set time .......................................................................20
Set date........................................................................20
Serial Port Speed........................................................20
Serial Format ..............................................................21
Site Name....................................................................21
Channel Table Setup...............................................................22
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Page 3
Copy Channel Table...................................................23
Editing Channel Table ...............................................24
Modulation............................................................ 25
Frequency offset .................................................25
Active ..................................................................25
Auto Test.............................................................25
Invert Spectrum...................................................25
Symbol Rate........................................................26
FEC info..............................................................26
Measurement BW...............................................26
Channel Presets ..........................................................26
Insert and Delete Channels ........................................27
Level Mode ..............................................................................28
Tuning .........................................................................29
Channel Tuning...................................................29
Frequency Tuning...............................................29
Five Channel Presets..................................................30
Force NTSC / DIGITAL Modulation Change..........30
Measurement BW change..........................................31
Scan Mode ................................................................................31
Knob Ref.....................................................................32
Knob Marker...............................................................32
Knob Scale..................................................................33
Log Data......................................................................33
Data Log....................................................................................33
View Test....................................................................34
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Model CR1200R Digital Signal Analyzer
Page 4
Print Test .................................................................... 34
SPECTRUM / RETURN TESTING................................... 35
Spectrum menu screen one........................................ 36
Knob Reference.................................................. 36
Markers ............................................................... 36
Knob Span .......................................................... 36
Spectrum menu screen two...................................…37
Knob Scale.......................................................... 37
Average/Peak detector....................................... 37
Max. Hold........................................................... 37
Misc. Setups ....................................................... 38
Resolution BW.………… ................................ .38
Video BW........................................................... 38
Averages ............................................................. 39
Measurement BW............................................... 39
Spectrum menu screen three..................................... 39
Zero Span mode ................................................. 40
Time Domain .............................................. 40
Knob Trigger Threshold............................. 42
Trigger Setup............................................... 42
Sweep mode......................................... 42
Edge trigger ......................................... 42
Averaging ............................................ 42
Frequency domain ...................................... 43
Run/Stop...................................................... 43
Knob Reference .......................................... 44
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Page 5
Knob MKR1 and MKR2.............................44
Knob Span....................................................44
DIGITAL..................................................................................45
Force QAM Modulations...........................................45
FEC Testing................................................................46
Modulation Error Ratio..............................................47
FEC .............................................................................48
Constellation...............................................................48
Digital Setup...............................................................49
Constellation samples.........................................50
Log Errored or Severely Err. Seconds...............50
Auto Diagnosis ...................................................50
Digital Measurements ................................................51
Restart .................................................................51
Zoom Mode.........................................................52
Log on/off...........................................................52
Adaptive Equalizer .............................................53
High Pass Filter...................................................54
AUTOMATIC TESTING......................................................55
RUN ANALOG & RUN DIGITAL..........................55
Auto Test Results .......................................................56
Analog Results....................................................56
Digital Results.....................................................56
24 Hr. FCC Tests........................................................58
Enter Start Time..................................................58
Enter Site Name..................................................58
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Model CR1200R Digital Signal Analyzer
Page 6
Start Test..............................................................59
SETUP Auto Tests .....................................................60
Remote Software........................................................60
CHAPTER 4 -SPECIFICATIONS
Specifications...............................................63
CHAPTER 5 -OPTIONS AND ACCESSORIES
Options.........................................................65
Accessories...................................................65
CHAPTER 6 -MAINTENANCE AND SERVICE
MAINTENANCE....................................................................66
Battery Replacement ..................................................66
Cleaning ......................................................................66
TROUBLESHOOTING.........................................................67
SERVICE..................................................................................67
Warranty.....................................................................67
Returning Equipment .................................................68
CONTACT Sunrise, Hukk Division.....................................68
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Sunrise Telecom, Hukk Division
Page 7
CHAPTER 1
GENERAL INFORMATION
INTRODUCTION
The Hukk Engineering Model CR1200R Digital Signal Analyzer
allows monitoring and testing of Quadrature Amplitude Modula-
tion (QAM) signal transmissions as well as typical Cable TV
NTSC television signals.
QAM signaling is used on broadband systems to deliver com-
pressed digital video signals and is also used with DOCSIS com-
patible cable modems. The CR1200R demodulates the carrier and
performs error detection on the live program data stream.
In addition, the CR1200R performs analog tests on NTSC, HRC
and IRC signals, providing video and audio measurements of these
signals.
The return path option allows a fully functioned spectrum ana-
lyzer display of both the forward and return path. The zero span
analyzer function allows accurate measurements of return path
TDMA/QPSK signals.
MANUAL OVERVIEW
This operating manual describes the physical and functional fea-
tures, operation, and specifications of the Sunrise Telecom, Hukk
Division Model CR1200R Digital Signal Analyzer.
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Model CR1200R Digital Signal Analyzer
Page 8
INSTRUMENT OVERVIEW
Figure 1 on page 6 shows the front panel of the Sunrise Telecom
Hukk Division Model CR1200R Digital Signal Analyzer. A large
liquid crystal display (LCD) indicates instrument status, signal
identification, and measurement values. The controls are pres-
sure-sensitive keypad switches with tactile feedback. A 75-ohm
“F” connector accepts the RF input signal. A female DB9 connec-
tor interfaces to a computer port. A DC input accepts power from
the supplied AC adapter or a 12 volt DC source. The CR1200R is
packaged in a rugged weatherized, hard plastic case.
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Sunrise Telecom, Hukk Division
Page 9
Figure 2-1
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Model CR1200R Digital Signal Analyzer
Page 10
CONNECTORS, CONTROLS, AND DISPLAYS
The following descriptions are keyed to the callout numbers in
Figure 2-1. Refer to Chapter 3 Operation for detailed instructions
on utilizing each feature.
1 I/O Section—Connections for 75-ohm “F”, RS-232 printer/
computer and DC power are located on the rear panel of the unit.
2 Numeric Keypad -Programming of user functions and/or
selection of carrier frequencies and channels.
3 Knob -Moves cursors across the screen and selects options
within the menu.
4 Display -Backlit liquid crystal.
5 Function Keys F1 through F5 -Soft keys to perform vari-
ous tests and setups per the screen display.
6 DIGITAL Button. Places the CR1200R in “Digital” mode.
This mode is used for performing digital tests including bit error
rate, modulation error rate, adaptive equalizer stress and constella-
tion.
7 POWER button -Turns unit on/off.
8 LEVEL Button -Places the CR1200R in “Level” mode. In
this mode the unit becomes a fully functional signal level meter
which can be used to measure both analog and digital carriers.
9 SETUP Button -Takes the user to the Main Setup screen.
This screen allows access to the Main System Setup screen, Chan-
nel Tables, Data logs, System Status and other system parameters.
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Sunrise Telecom, Hukk Division
Page 11
10 SPECTRUM Button -Places the CR1200R in “Spectrum
Analyzer” mode. In this mode the unit becomes a fully functional
spectrum analyzer.
11 BACKLIGHT Button. For operations in low light condi-
tions.
12 SCAN button. Provides a graphic display of the entire
system spectrum.
13 SCREEN CAPTURE. Captures current screen in memory
for later review.
14 AUTO button -Takes the user to the Automatic measure-
ment screen where parameters for automatic testing can be set.
This includes visual carrier level, visual to aural carrier difference,
digital level and a special setup for 24 hour FCC testing.
15 ESC Button -Escape key to cancel current test and/or
move up one operation level.
NOTE: THE CR1200R IS WATER-RESISTANT WHEN THE TOP COVER IS
SECURED WITH ITS BUILT-IN LATCHES AND THE PURGE KNOB NEAR THE
HANDLE IS CLOSED. THE UNIT IS WEATHER RESISTANT BUT NOT WATER-
PROOF DURING NORMAL OPERATION WHEN THE TOP COVER IS OPEN. DO
NOT IMMERSE THE UNIT IN WATER WHEN THE TOP COVER IS OPEN OR
WHEN THEPURGE KNOB IS OPEN.
CAUTION: The CR1200R contains delicate electronic
circuitry. The chassis and case have been designed for
year-round, day-to-day field use, but severe mechanical
shocks and temperature extremes could degrade the op-
eration of the unit or damage it. Do not drop the
CR1200R.
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Model CR1200R Digital Signal Analyzer
Page 12
This Page Reserved
for Future Use
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Sunrise Telecom, Hukk Division
Page 13
CHAPTER 2
PREPARATION FOR USE
INTRODUCTION
Read this chapter to prepare the Sunrise Telecom Hukk Division
Model CR1200R Digital Signal Analyzer for use. Follow the in-
structions for unpacking and inspecting the CR1200R. Compare
the received items to the packing list. Read all warnings and infor-
mation on power requirements. Follow the initial checkout proce-
dure to verify that the CR1200R is in good working order.
UNPACKING AND INITIAL INSPECTION
Inspect the shipping container when the CR1200R is received. If
the shipping container or shipping material is damaged, check the
contents of the shipment for completeness, and check the me-
chanical and electrical condition of the CR1200R and accessories.
Notify Sunrise Telecom, Hukk Division if the contents are incom-
plete, if there is mechanical damage or defect, or if the CR1200R
does not pass its internal self-test procedure. If the shipping con-
tainer is damaged, keep the container and packing materials for
inspection by the carrier, and notify the carrier as well as Sunrise
Telecom, Hukk Division.
SHIPMENT CONTENTS
The following equipment is supplied with each unit:
Model CR1200R Digital Signal Analyzer
Operating Manual and Training CD-ROM
AC Adapter/Charger
DC Power Adapter/Charger
Carry Strap
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Model CR1200R Digital Signal Analyzer
Page 14
OPERATOR MAINTENANCE
Charge the CR1200R before and after use. Optimize internal bat-
tery life by leaving the charger connected whenever the CR1200R
is not in use in the field.
Clean the display screen and keypad with water, and a small
amount of mild soap if necessary. Do not use abrasive cleaners or
chemical agents, which will damage the display window.
POWER REQUIREMENTS
Operate the Sunrise Telecom, Hukk Division Model CR1200R
Digital Signal Analyzer from its internal battery, the external AC
adapter or the 12 VDC adaptor. The supplied universal AC adap-
tor which converts 100-240 VAC to 15.5 VDC at 3.4A maximum.
The AC adaptor can power the unit for normal use, however, the
battery will only recharge when the unit is powered down.
NOTE: THE CR1200R IS WATER-RESISTANT WHEN THE TOP COVER IS
SECURED WITH ITS BUILT-IN LATCHES AND THE PURGE KNOB NEAR THE
HANDLE IS CLOSED. THE UNIT IS WEATHER RESISTANT BUT NOT WATER-
PROOF DURING NORMAL OPERATION WHEN THE TOP COVER IS OPEN. DO
NOT IMMERSE THE UNIT IN WATER WHEN THE TOP COVER IS OPEN OR
WHEN THEPURGE KNOB IS OPEN.
CAUTION: The CR1200R contains delicate electronic
circuitry. The chassis and case have been designed for
year-round, day-to-day field use, but severe mechanical
shocks and temperature extremes could degrade the op-
eration or damage it. Do not drop the CR1200R.
BATTERY REPLACEMENT
The CR1200R battery is a Nickel Metal Hydride battery which is
user replaceable. Battery replacement kit 120-10789-001 is avail-
able from the Hukk Division. The use of batteries other than those
specifically approved by Sunrise Telecom, Hukk Division may
damage the CR1200R and will void the warranty. Call Service for
a replacement kit before attempting to replace the battery.
Note: At the end of it’s useful life the battery must be recy-
cled or disposed of properly.
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Sunrise Telecom, Hukk Division
Page 15
CHAPTER 3
GETTING STARTED
INITIAL SETTINGS
Press the POWER button. The speaker will beep three times to
turn on the unit. Look at the display as the unit performs its self-
test. Wait about six seconds for the self-test process to complete.
The CR1200R will start operation in the upper level screen of the
last test performed. For example, if the last test an operator per-
formed was an adaptive equalizer stress test, and the CR1200R
was then turned off, the CR1200R will return to the “Digital”
screen the next time the CR1200R is powered up. Press the BACK
LIGHT button to make the display easy to read indoors. A short
beep will sound to acknowledge each key press.
F1 THROUGH F5 FUNCTION KEYS
The CR1200R is designed to be easy to operate. All of the upper
level functions are available by pushing one button and all key
tests can be performed by the CR1200R by pushing, on average,
only 2 buttons. After any upper level test button (the “Digital” key
for instance) is pushed, the function keys F1 through F5 take the
operator to the various tests that are available.
THE ESCAPE BUTTON
While any tests are running, the key labeled ESC will halt the test
in progress. The ESC key can also be used to take the operator UP
one level until the upper level of that particular test screen is
reached. For instance, if an operator is performing the same equal-
izer stress test mentioned above, pushing the ESC key once will
stop the stress test and return the operator to the “Digital” test
main screen. From any upper level screen the ESC key becomes
inoperative.
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Model CR1200R Digital Signal Analyzer
Page 16
FIGURE 3-1
CHECK THE SYSTEM STATUS
To check system status press the SETUP button . The Main Setup screen
will appear as shown in Figure 3-1. Utilizing the tuning knob, move the
cursor until it highlights System Status then press ENTER. The screen
shown in Figure 3-2 will appear.
FIGURE 3-2
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Page 17
CONNECTIONS
RF INPUT
Connect a drop cable to the RF INPUT of the CR1200R. The back
panel RF INPUT uses a 75-ohm field replaceable F81 connector.
The CR1200R uses auto attenuation on the RF input; the use of
additional attenuation should not be necessary. A precision field
replaceable F81 barrel is recommended for use on the CR1200R.
Most F81 barrels used for subscriber installations do not have the
required return loss at high frequencies.
AC ADAPTER
Use only the AC power adapter supplied with the CR1200R. This
adapter produces 15.5 VDC with a 3.4A rating. Plug the adapter
into the CR1200R before attaching it to the AC source. See Chap-
ter 5 Options and Accessories for additional information.
The CR1200R can be used for measurements while powered by
the AC adapter. However, the AC adapter will charge the
CR1200R battery only while the CR1200R is powered off.
FIGURE 3-3
Do not use a power adapter that has not been specifically approved by
Sunrise Telecom, Hukk Division for use with the CR1200R. Incorrect
polarity or voltage could damage the CR1200R or the internal battery,
resulting in a fire or smoke hazard.
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Model CR1200R Digital Signal Analyzer
Page 18
CONNECT RF TO ANY SINGANAL SOURCE
Use a signal from the QAM or analog modulator front panel test
point, the headend combiner output, a system amplifier test point,
a tap port or at the end of the subscriber’s drop. The CR1200R has
a built in auto attenuator; the use of additional attenuators should
not be necessary at any point in the network.
CONNECT TO ASERIAL PRINTER FOR APRINTED LOG
Use a DB9 cable to connect the RS-232 connector on the
CR1200R to the input of a serial printer. The CR1200R acts as a
“Data Communications Equipment”. The output rate is configur-
able using the setup screen, with 8-bit words, one stop bit, and no
parity. The CR1200R does not perform flow control. The printer
must be able to print at the configured rate without overflow.
CONNECT TO ACOMPUTER SERIAL PORT
Use a DB9 straight through cable to connect the RS-232 connector
on the CR1200R to the serial port of a computer. You must have
communication software on your computer that can manage serial
communications and perform “text capture” operations. Set the
computer to communicate at the configured speed of the
CR1200R, with 8-bits and no parity. Remote software for the
CR1200R is available at www.hukk.com.
FIGURE 3-4
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Page 19
SETUP BUTTON
The SETUP button takes the operator into the main screen where
the basic configuration of the CR1200R is programmed and saved.
Figure 3-4 shows the initial setup screen for the CR1200R.
FIGURE 3-5
SYSTEM
From the main SETUP SCREEN (Figure 3-4) use the tuning knob
to position the cursor over System and press ENTER.
The SYSTEM SETUP screen shown in Figure 3-5 will appear. Use
the F1 and F2 keys to move the cursor through the choice of
fields and turn the tuning knob to change the settings. Be sure to
press the SAVE (F4) key to save your settings before exiting via
the EXIT (F5) key.
SET THE CONTRAST
While on the SYSTEM SETUP screen (Figure 3-5) use the F1 and
F2 keys to position the cursor over Contrast. Use the knob to ad-
just the contrast from 0% (very dark) to 100% (very light). Adjust
contrast to the operator’s preference. Make sure you save your
work when done by pressing SAVE (F4).
Contrast may also be set by pressing the BACKLIGHT key at any
time and using the tuning knob to adjust the contrast. Press EN-
TER (F1) to return to the previous screen.
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