Tektronix MTM400 Use and care manual

Technical Reference
MTM400
MPEG Transport Stream Monitor
071-1560-04
This document applies to firmware versions
1.2 to 2.6.
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
www.tektronix.com

Copyright ©Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or
suppliers, and are protected by national copyright laws and international treaty provisions.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
HIn North America, call 1-800-833-9200.
HWorldwide, visit www.tektronix.com to find contacts in your area.

MTM400 MPEG Transport Stream Monitor Technical Reference i
Table of Contents
General Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Material xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Conventions xii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications
Electrical, Hardware, and Signal Specifications 1−1. . . . . . . . . . . . . . . . . . . . . . . .
Power Source Characteristics 1−19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Environmental Characteristics 1−20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical (Physical) Characteristics 1−20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certifications and Compliances 1−21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Parameters
Standard Tests 2−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MPEG Tests 2−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DVB Tests 2−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ATSC Tests 2−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISDB-S Tests 2−14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISDB-T Tests 2−18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISDB (Partial Reception) 2−25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DCII Tests 2−31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
China Tests 2−34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Info Tests 2−38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event Identity to Test Name 2−41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Name to Event Identity 2−117. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter Reference 2−135. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Parameters 2−135. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interface Parameters 2−139. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stream Parameters 2−145. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Template Parameters 2−170. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PID Parameters 2−177. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PID Groups Parameters 2−181. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Events Parameters 2−182. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Log Parameters 2−184. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trap Setting Parameters 2−185. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Common Interface Protocol Parameters 2−186. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example Configuration File 2−186. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Event SNMP Traps 2−187. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuration File Structure
Updating 3−2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defaults 3−5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example Configuration File 3−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
ii MTM400 MPEG Transport Stream Monitor Technical Reference
Hardware Maintenance
Preventive Maintenance 4−1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rack Mounting 4−2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing and Replacing an Interface Board 4−5. . . . . . . . . . . . . . . . . . . . . . . . . .
Battery Maintenance 4−17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repacking for Shipment 4−19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glossary

Table of Contents
MTM400 MPEG Transport Stream Monitor Technical Reference iii
List of Figures
Figure 2−1: Alarm settings 2−184. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4−1: Chassis section rack slides 4−2. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4−2: Rack mounted sections 4−3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4−3: Installing or removing the rack slides 4−4. . . . . . . . . . . . . . . . .
Figure 4−4: Removing the instrument cover 4−6. . . . . . . . . . . . . . . . . . . . . .
Figure 4−5: QAM (Annex A), QAM (Annex B, old version),
QAM (Annex C), and QPSK (L-Band) interface board location 4−8. . .
Figure 4−6: QAM (Annex B, new version), 8PSK, 8VSB,
and COFDM interface board location 4−8. . . . . . . . . . . . . . . . . . . . . . . .
Figure 4−7: GbE interface board installation 4−9. . . . . . . . . . . . . . . . . . . . . .
Figure 4−8: Retaining screw locations for QAM (Annex A),
QAM (Annex B, old version), QAM (Annex C),
and QPSK (L-Band) interface boards 4−11. . . . . . . . . . . . . . . . . . . . . . . .
Figure 4−9: Retaining screw locations for QAM (Annex B, new version),
8PSK, 8VSB, and COFDM interface boards 4−11. . . . . . . . . . . . . . . . . .
Figure 4−10: Retaining screw locations for GbE interface board 4−12. . . . . .
Figure 4−11: Cable connections for QAM (Annex A),
QAM (Annex B, old version), QAM (Annex C),
and QPSK (L-Band) interface boards 4−14. . . . . . . . . . . . . . . . . . . . . . . .
Figure 4−12: Cable connections for QAM (Annex B, new version),
8PSK, 8VSB, and COFDM interface boards 4−15. . . . . . . . . . . . . . . . . .
Figure 4−13: Cable connections for GbE interface board 4−16. . . . . . . . . . . .

Table of Contents
iv MTM400 MPEG Transport Stream Monitor Technical Reference
List of Tables
Table 1−1: Remote user interface platform characteristics 1−1. . . . . . . . . . .
Table 1−2: TS processor - System timing clock 1−1. . . . . . . . . . . . . . . . . . .
Table 1−3: TS processor - ASI interface 1−2. . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−4: TS processor - SMPTE310M interface 1−2. . . . . . . . . . . . . . . . .
Table 1−5: I/O port characteristics - QPSK (L-Band) 1−3. . . . . . . . . . . . . .
Table 1−6: I/O port characteristics - ITU-J83 Annex A QAM 1−3. . . . . . . .
Table 1−7: I/O port characteristics - ITU-J83 Annex B QAM 1−4. . . . . . . .
Table 1−8: I/O port characteristics - ITU-J83 Annex C QAM 1−4. . . . . . . .
Table 1−9: Baseband board - ASI interface 1−5. . . . . . . . . . . . . . . . . . . . . .
Table 1−10: Baseband board - SMPTE310M interface 1−5. . . . . . . . . . . . .
Table 1−11: QPSK/8PSK interface board characteristics
with QPSK input 1−6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−12: QPSK/8PSK interface board characteristics
with 8PSK input 1−7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−13: 8PSK and QPSK measurements 1−7. . . . . . . . . . . . . . . . . . . . .
Table 1−14: COFDM interface board characteristics 1−8. . . . . . . . . . . . . . .
Table 1−15: COFDM measurements 1−9. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−16: 8VSB board characteristics 1−10. . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−17: 8VSB measurements 1−11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−18: QAM Annex B board characteristics 1−12. . . . . . . . . . . . . . . . .
Table 1−19: QAM Annex B measurements 1−13. . . . . . . . . . . . . . . . . . . . . .
Table 1−20: Video over IP board - Ethernet electrical port 1−13. . . . . . . . . .
Table 1−21: Video over IP board - General 1−14. . . . . . . . . . . . . . . . . . . . . .
Table 1−22: Video over IP board - ASI input 1−14. . . . . . . . . . . . . . . . . . . . .
Table 1−23: Video over IP board - ASI output -
Active loop through of ASI/SMPTE input
or TS from Video over IP 1−14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−24: Video over IP board - SMPTE310M input -
Loop-through to ASI output BNC 1−15. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−25: Video over IP board - Ethernet optical port 1−15. . . . . . . . . . . .
Table 1−26: TS processor - alarm connector 1−17. . . . . . . . . . . . . . . . . . . . .
Table 1−27: TS processor - alarms 1−18. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−28: TS processor - LTC in 1−18. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−29: TS processor - Ethernet RJ-45 connector 1−18. . . . . . . . . . . . . .
Table 1−30: AC power source characteristics 1−19. . . . . . . . . . . . . . . . . . . . .
Table 1−31: Transport stream board batteries 1−19. . . . . . . . . . . . . . . . . . . . .

Table of Contents
MTM400 MPEG Transport Stream Monitor Technical Reference v
Table 1−32: Environmental characteristics 1−20. . . . . . . . . . . . . . . . . . . . . . .
Table 1−33: Mechanical characteristics 1−20. . . . . . . . . . . . . . . . . . . . . . . . .
Table 1−34: Certifications and compliances 1−21. . . . . . . . . . . . . . . . . . . . . .
Table 1−35: Environmental limits and use classification
for safety certification compliance 1−23. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−1: Test name to event identity 2−117. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−2: Stream parameters 2−145. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−3: PID parameters 2−177. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−4: Event SNMP Traps - MPEG 2−187. . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−5: Event SNMP Traps - DVB 2−192. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−6: Event SNMP Traps - ATSC 2−199. . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−7: Event SNMP Traps - ISDB-S 2−204. . . . . . . . . . . . . . . . . . . . . . . .
Table 2−8: Event SNMP Traps - ISDB-T 2−210. . . . . . . . . . . . . . . . . . . . . . . .
Table 2−9: Event SNMP Traps - ISDB (Partial Reception) 2−217. . . . . . . . . .
Table 2−10: Event SNMP Traps -DCII 2−224. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2−11: Event SNMP Traps - China 2−229. . . . . . . . . . . . . . . . . . . . . . . .
Table 2−12: Event SNMP Traps - IP 2−235. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3−1: Absolute update - example 3−3. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3−2: Incremental update - example 3−3. . . . . . . . . . . . . . . . . . . . . . . .
Table 4−1: QAM (Annex A), QAM (Annex B, old version),
QAM (Annex C), and QPSK (L-Band) board connectors 4−7. . . . . . . .
Table 4−2: QAM (Annex B, new version), 8PSK, 8VSB,
and COFDM interface board connectors 4−9. . . . . . . . . . . . . . . . . . . . .
Table 4−3: GbE interface board connectors 4−10. . . . . . . . . . . . . . . . . . . . . .

Table of Contents
vi MTM400 MPEG Transport Stream Monitor Technical Reference

MTM400 MPEG Transport Stream Monitor Technical Reference vii
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
To avoid potential hazards, use this product only as specified.
Only qualified personnel should perform service procedures.
Use Proper Power Cord. Use only the power cord specified for this product and
certified for the country of use.
Ground the Product. This product is indirectly grounded through the grounding
conductor of the mainframe power cord. To avoid electric shock, the grounding
conductor must be connected to earth ground. Before making connections to the
input or output terminals of the product, ensure that the product is properly
grounded.
Ground Equipment Connected to the Product. Ensure that any equipment
connected to this product is grounded and at the same potential.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings
and markings on the product. Consult the product manual for further ratings
information before making connections to the product.
Do Not Operate Without Covers. Do not operate this product with covers or panels
removed.
Use Proper Fuse. Use only the fuse type and rating specified for this product.
Avoid Exposed Circuitry. Do not touch exposed connections and components
when power is present.
Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
Do Not Operate in Wet/Damp Conditions.
Do Not Operate in an Explosive Atmosphere.
Keep Product Surfaces Clean and Dry.
Provide Proper Ventilation. Refer to the manual’s installation instructions for
details on installing the product so it has proper ventilation.
To Avoid Fire or
Personal Injury

General Safety Summary
viii MTM400 MPEG Transport Stream Monitor Technical Reference
Terms in this Manual. These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the Product. These terms may appear on the product:
DANGER indicates an injury hazard immediately accessible as you read the
marking.
WARNING indicates an injury hazard not immediately accessible as you read the
marking.
CAUTION indicates a hazard to property including the product.
Symbols on the Product. The following symbols may appear on the product:
CAUTION
Refer to Manual
Protective Ground
(Earth) Terminal
Symbols and Terms

MTM400 MPEG Transport Stream Monitor Technical Reference ix
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do Not Service Alone. Do not perform internal service or adjustments of this
product unless another person capable of rendering first aid and resuscitation is
present.
Disconnect Power. To avoid electric shock, switch off the instrument power, then
disconnect the power cord from the mains power.
Use Care When Servicing With Power On. Dangerous voltages or currents may
exist in this product. Disconnect power, remove battery (if applicable), and
disconnect test leads before removing protective panels, soldering, or replacing
components.
To avoid electric shock, do not touch exposed connections.
Use only Tektronix approved components when servicing the unit.

Service Safety Summary
x MTM400 MPEG Transport Stream Monitor Technical Reference

MTM400 MPEG Transport Stream Monitor Technical Reference xi
Preface
This manual contains the following information about the MTM400 MPEG
Transport Stream Monitor:
HSpecifications lists the electrical, physical and environmental specifications
of the MTM400 monitor.
HTest Parameters describes the tests performed by the MTM400 monitor; it
also describes the associated parameters. This section provides the following
cross-referenced information:
HThe Standards Tests section (page 2−3) identifies the tests and event
identities associated with each of the DTV standards; some additional
categories are also included.
HEvent Identity to Test Name (page 2−41); includes a brief description of
the test, the applicable standards and the associated parameters.
HTest Name to Event Identity (page 2−117) is a cross-reference between
Test Names and Event identities.
HThe Parameter Reference subsection (page 2−135) lists all available
parameters.
HEvent Traps tables (page 2−187) lists the SNMP (Simple Network
Management Protocol) traps available for each event.
HConfiguration File describes the structure and composition of the MTM400
configuration file.
HHardware Maintenance describes cleaning the unit and the installation of
interface boards and batteries.
Related Material
Additional documentation, such as Read Me files, may be included on the
documentation disk.
The MTM400 MPEG Transport Stream Monitor User Manual (Tektronix part
number: 071-1224-xx) describes the functions and use of the instrument. This
manual is available in English and Japanese languages.

Preface
xii MTM400 MPEG Transport Stream Monitor Technical Reference
The MTM400 MPEG Transport Stream Monitor Programmer Manual (Tektronix
part number: 071-1375-xx) specifies the remote control and status monitoring
interfaces available to a management application. This English language
reference document is available only from the Tektronix Web site (www.tektro-
nix.com).
The following URLs access the Web sites for the standards organizations listed
(the URLs listed were valid at the time of writing):
HMPEG−2 standards (International Organization for Standards)
http://www.iso.ch/
HDVB standards (European Technical Standards Institute)
http://www.etsi.org/
HATSC standards (Advanced Television Systems Committee)
http://www.atsc.org/
HISDB/ARIB standards (Association of Radio Industries and Businesses)
http://www.arib.or.jp/english/
Manual Conventions
Naming conventions for the interface elements are based on standard Windows
naming conventions. Naming conventions for MPEG-2, ATSC, and DVB
structures follow the conventions derived from the standards documents found at
the Web sites listed on page x. In addition, the following formatting conventions
apply to this manual:
HBold text refers to specific interface elements that you are instructed to
select, click, or clear.
Example: Select Settings from the Configuration menu.
HMono-spaced text can indicate the following:
HText you enter from a keyboard
Example: Enter the network identity (http://TSMonitor01 )
HCharacters you press on your keyboard
Example: Press CTRL+C to copy the selected text.
HPaths to components on your hard drive
Example: The program files are installed at the following location:
C:\Program Files\Tektronix\

Specifications

MTM400 MPEG Transport Stream Monitor Technical Reference 1−1
Specifications
This section lists the electrical, environmental, and physical specifications of the
MTM400 system. All specifications are guaranteed unless labeled typical.
Typical specifications are provided for your convenience and are not guaranteed.
Electrical characteristics apply to test systems operating within the environmen-
tal conditions.
Electrical, Hardware, and Signal Specifications
Table 1−1: Remote user interface platform characteristics
Characteristic Description
Minimum Specification 1 GHz Intel Pentium Processor (Preferred: 2 GHz)
Operating System Any Microsoft Windows operating system (Recommended: XP Pro)
Disk Space 2 GB free disk space
Ethernet 10/100-base T
Installed Software Microsoft Internet Explorer, Version 6.0 minimum;
Microsoft Java Virtual Machine installed, Version 5.0 minimum
RAM 1 GB
CD-ROM Drive 8x
Display 1024 x 768 pixel video monitor with 16 available colors
Table 1−2: TS processor - system timing clock
Characteristic Description
PCR Offset Measurement Accuracy "2.0 ppm
System Timing Clock Drift "1.0 ppm per year (maximum)

Specifications
1−2 MTM400 MPEG Transport Stream Monitor Technical Reference
Table 1−3: TS processor - ASI interface
Characteristic Description
ASI Input
Connector BNC
Transport Stream Rate 155 Mbps maximum, 250 kbps minimum
Data Format Accepts both Burst and Packet mode ASI format
Signal Amplitude 2.0 Vp-p maximum; 200 mVp-p minimum
Termination 75 ohms nominal, transformer coupled
Return Loss 10 dB min, 5 MHz to 270 MHz
Link Rate 270 Mbaud "100 ppm
ASI Output (The Output is an active loop-through of the Input.)
Connector BNC
Impedance 75 ohms nominal, transformer coupled
Transport Stream Rate Same as the ASI input
Signal Amplitude 1.0 Vp-p max, 600 mVp-p min, into a 75 ohm load
Return Loss 10 dB min at 270 MHz
Table 1−4: TS processor - SMPTE310M interface
Characteristic Description
SMPTE310M Input
Connector BNC
Termination 75 ohms, transformer coupled
Data Format Bi-phase coded. Compliant with SMPTE310M
Input Bit Rate 19,392,658.5 bps "2.8 ppm
Signal Amplitude 2.0 Vp-p maximum, 200 mVp-p minimum
Return Loss 10 dB min at 20 MHz
SMPTE310M Output (The Output is an active loop-through of the Input.)
Connector BNC
Output Bit Rate Same as the SMPTE310M input
Signal Amplitude 600 mV min, 1.0 V max, into a 75 ohm load
Output Impedance 75 ohms, transformer coupled
Return Loss 10 dB min at 20 MHz

Specifications
MTM400 MPEG Transport Stream Monitor Technical Reference 1−3
Table 1−5: I/O port characteristics - QPSK (L-Band)
Characteristic Description
Connectors
Input Type F (loop-through to output)
Output Type F
Input Frequency Range 950 MHz to 2150 MHz in 100 kHz steps
Input Signal Amplitude Range −60 dBm min, −30 dBm max for a CBER of <1e−6
Input Termination Impedance 75 ohm nominal
Input Return Loss 10 dB min, 950 MHz to 2150 MHz
Modulation Format QPSK
Modulated Baud Rate 2 MBaud min, 45 MBaud max
Viterbi Values Supported 1/2, 2/3, 3/4, 5/6, 6/7, 7/8
Loop Through Output Amplitude −6 dB to +3 dB
Loop Through Output Reverse Isolation 30 dB typical
LNB Support
LNB Supply Voltage selectable; 13.0 V "1.5 V or 18.0 V "1.5 V,
with 100 ohms, 5 Watt resistor load
LNB Supply Maximum Current 200 mA maximum
LNB 22kHz Signaling Frequency 17.6 kHz min, 26.4 kHz max (22 kHz "20%)
LNB 22kHz Signaling Amplitude 600 mVp-p with a 100 ohm load
400 mV minimum, 800 mV maximum
Table 1−6: I/O port characteristics - ITU-J83 Annex A QAM
Characteristic Description
Input Frequency Range 51 MHz to 858 MHz, 62.5 kHz steps
Modulation Format 16 QAM, 64 QAM, 256 QAM (compliant with DVB-C ETS 300 421)
Modulation Baud Rate, QAM A 5.0 Mbaud/s minimum, 6.952 Mbaud/s maximum
Input Signal Level −57 dBm (50 dBuV) to −27 dBm (80 dBuV), with a 16, 64, and 256 QAM input,
providing five or fewer Transport Error Flags in 10 seconds, which corresponds to
a post FEC rate of 1e−8
Modulation Error Ratio (with equalizer) 38 dB min, with a 64 QAM input and 256 QAM input
Receiver Bandwidth, QAM A 8 MHz nominal
Input Termination Impedance 75 ohm nominal
Input Return Loss 6 dB min, 10 dB typical, 51 MHz to 858 MHz
Loop Through Power Gain 1.5 dB to 4 dB typical, 51 MHz to 858 MHz typical

Specifications
1−4 MTM400 MPEG Transport Stream Monitor Technical Reference
Table 1−6: I/O port characteristics - ITU-J83 Annex A QAM (Cont.)
Characteristic Description
Loop Through Noise Figure 8 dB typical
Loop Through Output Return Loss Greater than 10 dB typical
Table 1−7: I/O port characteristics - ITU-J83 Annex B QAM
Characteristic Description
Input Frequency Range 88 MHz to 858 MHz, 62.5 kHz steps
Modulation Format 64 QAM, 256 QAM (compliant with ITU J-83 Annex B)
Only interleaving modes with I,J = 128 (64,2; 32,4; 16,8; 8,16; 128,1) are
supported. Modes described as I = 128, and J = 2, 3, 4, 5, 6, 7, 8 are not
supported.
Modulation Baud Rate, QAM B 5.056941 Mbaud/s ( 64 QAM); 5.360537 Mbaud/s (256 QAM)
Input Signal Level −57 dBm (50 dBuV) to −27 dBm(80 dBuV), with a 16, 64, and 256 QAM input,
providing five or fewer Transport Error Flags in 11 seconds, which corresponds to
a post FEC rate of 1e−8
Modulation Error Ratio (with equalizer) 37 dB min, with a 64 QAM input
Receiver Bandwidth, QAM B 6 MHz nominal
Input Termination Impedance 75 ohm nominal
Input Return Loss 6 dB min, 10 dB typical, 88 MHz to 858 MHz
Table 1−8: I/O port characteristics - ITU-J83 Annex C QAM
Characteristic Description
Input Frequency Range 88 MHz to 858 MHz, 62.5 kHz steps
Modulation Format 16 QAM, 64 QAM, 256 QAM (compliant with ITU J-83 Annex C)
Modulation Baud Rate, QAM C 4.5 Mbaud/s min; 5.5 Mbaud/s max
Input Signal Level −57 dBm (50 dBuV) to −27 dBm(80 dBuV), with a 16, 64, and 256 QAM input,
providing five or fewer Transport Error Flags in 12 seconds, which corresponds to
a post FEC rate of 1e−8
Modulation Error Ratio (with equalizer) 38 dB typical, with a 64 QAM input
Receiver Bandwidth, QAM C 6 MHz nominal
Input Termination Impedance 75 ohm nominal
Input Return Loss 6 dB min, 10 dB typical, 88 MHz to 858 MHz