Tektronix MTM400A Instructions d'installation et d'entretien

MTM400A

MPEG Transport Stream Monitor

Declassification and Security Instructions

www.tektronix.com

071-2499-00

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USA

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Table of Contents

Preface....................................................................................................................iii

Clear and Sanitize Procedures.............................................................................. 1

Memory Devices................................................................................................. 1

Data Export Devices........................................................................................... 3

Troubleshooting ..................................................................................................... 5

How to Clear or Sanitize a Non-Functional Instrument ..................................... 5

How to Recover from Clearing or Removing the Instrument Memory.............. 5

MTM400A Declassification and Security Instructions i

Table of Contents

ii MTM400A Declassification and Security Instructions

Preface

This document helps customers with data security concerns to sanitize or remove

memory devices from the MTM400A MPEG Transport Stream Monitor.

These products have data storage (memory) devices and data output devices (USB

ports). These instructions tell how to clear or sanitize the memory devices and

disable the data output devices. The instructions also tell how to declassify an

instrument that is not functioning.

Supported Products

MTM400A MPEG Transport Stream Monitor.

Related Documents

The MTM400A MPEG Transport Stream Monitor Technical Reference, Tektronix

part number 071-2495-xx, is available on the Tektronix Web site at

www.tektronix.com/manuals.

Terms

The following terms may be used in this document:

Clear. This removes data on media/memory before reusing it in a secured area. All

reusable memory is cleared to deny access to previously stored information by

standard means of access.

Erase. This is equivalent to clear.

Media storage/data export device. This refers to any of several devices that can

be used to store or export data from the instrument, such as a USB port.

Nonvolatile memory. Data is retained when the instrument is powered off.

Power off. Some instruments have a “Standby” mode, in which power is still

supplied to the instrument. For the purpose of clearing data, putting the instrument

in Standby mode does not qualify as powering off. For these products, you will

need to either press a rear-panel OFF switch or remove the power source from the

instrument.

Remove. This is a physical means to clear the data by removing the memory

device from the instrument. Instructions are available in the product Service

Manual.

MTM400A Declassification and Security Instructions iii

Preface

Sanitize. This eradicates the data from media/memory so that the data cannot be

recovered by other means or technology. This is typically used when the device

will be moved (temporarily or permanently) from a secured area to a non-secured

area.

Scrub. This is equivalent to sanitize.

User-modiﬁable. The user can write to the memory device during normal

instrument operation, using the instrument interface or remote control.

Volatile memory. Data is lost when the instrument is powered off.

iv MTM400A Declassification and Security Instructions

Clear and Sanitize Procedures

Memory Devices

The following tables list the volatile and nonvolatile memory devices in the

standard instrument and listed options. Detailed procedures to clear or sanitize

these devices, if any, are shown following each table.

Table 1: Volatile memory devices

Type and

User

input

Function User

modifiable? Data input

method Location in

instrument To clear To

sanitize

RAM

256 MB Microprocessor

system memory No Written by

processor

system

Power PC

board Remove the power

source from the

instrument for at

least 20 seconds.

N/A

DDR RAM

256 MB Transport traffic

queue No Written by

FPGA GigE card Remove the power

source from the

instrument for at

least 20 seconds.

N/A

S DRAM

128 MB Microprocessor

system memory No Written by

processor

system

GigE card Remove the power

source from the

instrument for at

least 20 seconds.

N/A

SRAM

1152 KB Microprocessor

system memory No Written by

processor

system

GigE card Remove the power

source from the

instrument for at

least 20 seconds.

N/A

CAM

288 KB IP Traffic buffer No Written by

FPGA GigE card Remove the power

source from the

instrument for at

least 20 seconds.

N/A

RAM

256 MB Microprocessor

system memory No Written by

processor

system

RF interface

cards Remove the power

source from the

instrument for at

least 20 seconds.

N/A

MTM400A Declassification and Security Instructions 1

Clear and Sanitize Procedures

Table 2: Nonvolatile memory devices (continued)

Type and

User input Function User

modifiable? Data input

method Location in

instrument To

clear To sanitize

NVRAM Stores

instrument

user

configuration

Yes Loading

configuration file

or by using the

user interface

MTM400A

processor

card

N/A Remove power

and press NV

clear button for

10 seconds.

Flash

6M x 8 bits Holds

instrument

firmware,

MAC, IP,

Serial and

License

numbers

Yes Firmware

operations and

user input

MTM400A

processor

card

N/A Return to the

instrument to

Tektronix.

Flash

16 M x 8

bits

Holds card

firmware and

IGMP

subscription

details

Yes User input GigE

interface

card

N/A Delete IGMP

addresses in the

user interface

(See ‘Clear IGMP

Subscriptions’).

Flash

8 M x 8 bits Holds FPGA

image Yes User input GigE

interface

card

N/A Return to the

instrument to

Tektronix.

Clear NVRAM

Use the following procedure to clear the nonvolatile RAM:

1. Remove power.

2. Remove the top cover.

3. Push the NVRAM clear button on the MTM400A Processor card for

10 seconds.

4. Replace the cover.

NOTE. Removing the top cover of the instrument and accessing the NRVRAM

clear button are described in the MTM400A Transport Stream Monitor Technical

Reference (Tektronix part number: 071-2495-xx).

2 MTM400A Declassification and Security Instructions

Clear and Sanitize Procedures

Clear IGMP Subscriptions (Gigabit Ethernet Interface card only)

Use the following procedure to clear the IGMP subscriptions.

1. Open the MTM400A monitor user interface.

2. Open the Stream – Input Card screen.

3. Select the IGMP sessions display.

4. Select multi-IGMP mode.

5. For each address to be deleted, type the IP address in the IGMP delete box

and press Enter.

Recovering from NVRAM and IGMP subscription clear

To recover from the Clear NVRAM and Clear IGMP Subscription procedures,

follow the setup procedures described in the MTM400A MPEG Transport Stream

Monitor Quick Start User Manual (Tektronix part number: 071-2492-xx).

Data Export Devices

The following table lists the data export devices in the standard instrument and

listed options:

Table 3: Media storage / data export disable

Type and minimum

size Function User

modifiable? Data

input

method

Location in instrument Process

to disable

LAN Ethernet connector Transfer

data N/A N/A MTM400A processor card N/A

LAN Ethernet connector Transfer

data N/A N/A GbE interface card N/A

ASI/SMPTE In/Out

connectors Transfer

data N/A N/A MTM400A processor card N/A

ASI/SMPTE In/Out

connectors Transfer

data N/A N/A Interface cards (all) N/A

RF input/output

connectors Transfer

data N/A N/A RF Interface cards (QAM

BII, 8VSB, 8PSK, COFDM) N/A

MTM400A Declassification and Security Instructions 3

Clear and Sanitize Procedures

4 MTM400A Declassification and Security Instructions

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