Tektronix TBS2000B Series Bedienungsanleitung

TBS2000B Series

Oscilloscope

Declassification

*P077154000*

077-1540-00

TBS2000B Series

Oscilloscope

Declassification

www.tek.com

077-1540-00

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.

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 supersedes 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.

14150 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

■In North America, call 1-800-833-9200.

■Worldwide, visit www.tek.com to find contacts in your area.

Table of Contents

Preface ................................................................................................................................................. 3

Products .......................................................................................................................................... 3

Terms .............................................................................................................................................. 4

Clear and sanitize procedures

Main board ...................................................................................................................................... 1

USB flash drive .............................................................................................................................. 1

Charges ........................................................................................................................................... 2

TekSecure ....................................................................................................................................... 2

Memory devices ............................................................................................................................. 2

Terminology ................................................................................................................................... 3

Clear NAND Flash data using TekSecure ..................................................................................... 5

Media and data export devices ....................................................................................................... 5

Change log

TBS2000B Series Declassification i

Table of Contents

ii TBS2000B Series Declassification

Preface

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

memory devices from their instrument.

This series of instruments contains an open architecture PC with removable mass

storage. You can order additional removable mass storage devices to swap in and

out of the instrument as needed for security reasons.

These products have data storage (memory) devices and data export interfaces

(USB ports, Ethernet, and eSATA). These instructions describe how to clear or

sanitize the memory devices and disable the data output interfaces. The

instructions also describe how to declassify an instrument that is not functioning.

Products

The following Tektronix products are covered by this document:

■TBS2072B

■TBS2102B

■TBS2202B

■TBS2074B

■TBS2104B

■TBS2204B

Terms

The following terms may be used in this document:

■Clear: This eradicates 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. A device that is used to store or export

data from the instrument, such as a USB port/USB flash drive.

■Sanitize: This removes the data from media/memory so that the data cannot

be recovered using any known technology. This is typically used when the

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

nonsecured area.

■Scrub: This is equivalent to sanitize.

■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.

■User Accessible: User is able to directly retrieve the memory device

contents.

■User-Modifiable: The memory device can be written to by the user during

normal instrument operation, using the instrument user interface or remote

control.

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

■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 must either press a rear-panel OFF switch or remove the power

source from the instrument.

■Instrument Declassification: A term that refers to procedures that must be

undertaken before an instrument can be removed from a secure environment.

Declassification procedures include memory sanitization and memory

removal, and sometimes both.

Clear and sanitize procedures

If your instrument is not functioning and you need to clear or sanitize it, proceed

as follows:

Main board

Remove the Main board and return the product to Tektronix. A new main board

will be installed, and the instrument will be repaired and adjusted as necessary.

For removal instructions, refer to the TBS2000B Series Digital Storage

Oscilloscope Service Manual , part number 077-1150-XX, available on the

Tektronix Web site at www.tek.com/manuals.

After removal of the main board, refer to your company's internal policies

regarding storage or disposal of the board.

USB flash drive

Remove the USB flash drive and return the instrument to Tektronix for repair.

After removal of the USB flash drive, refer to your organization's internal

policies regarding handling or disposal of the flash drive.

TBS2000B Series Declassification 1

Charges

Replacement of any missing hardware will be charged according to the rate at the

time of replacement.

TekSecure

TekSecure™ capability is present in TBS2000B oscilloscopes. Pressing

TekSecure erases and overwrites all of the waveform and setup memories. The

waveform memories, stored in nonvolatile memory, are overwritten with an

"empty," all zeros pattern. The setup memories, stored in nonvolatile memory,

are overwritten with the factory default front-panel setup. The current front-panel

setup is also overwritten with the default factory setup.

Using TekSecure will not affect calibration of the instrument because the

calibration constants are stored in another nonvolatile memory completely

separate from any acquisition data. This allows complete erasure/removal of any

secure data without affecting the oscilloscope calibration. It also allows the

oscilloscope to be calibrated in a non-secure site and then used in a secure area

without the need for recalibration.

Memory devices

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

instrument.

Clear and sanitize procedures

2 TBS2000B Series Declassification

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