Tektronix PPG3000 Series Manual de usuario

PPG3000/PPG3200/PED3200/PED4000 Series

Declassiﬁcation and Security

ZZZ

Instructions

www.tektronix.com

*P077077601*

077-0776-01

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Contacting Tektronix

Tektronix, Inc.

14150 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

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

Table of Contents

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

Clear and sanitize procedures ................................. .. ............................................ .. .................................................... 1

Memory devices ............................................................................................................................................... 1

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

Troubleshooting..................................................................................................................................................... 7

Clear or sanitize a nonfunctional instrument ..... .. ............................................................ .. .......................................... 7

Change log .......................................................................................................................................................... 8

PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions i

Table of Contents

ii PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions

Preface

This document helps customers with data security concerns to sanitize or remove memory devices from the PPG3000 or

PPG3200 Series Programmable Pattern Generators or the PED3200 Series Programmable Error Detectors.

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 a

non functioning instrument.

Reference The procedures in this document are written to meet the requirements speciﬁed in:

NISPOM, DoD 5220.22–M, Chapter 8

ISFO Process Manual for Certiﬁcation & Accreditation of Classiﬁed Systems under NISPOM

Products The following Tektronix products are covered by this document:

PPG3001, PPG3002, PPG3004 Programmable Pattern Generators

PPG3201, PPG3202, PPG3204 Programmable Pattern Generators

PED3201, PED3202 Programmable Error Detectors

PED4001, PED4002 Programmable Error Detectors

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.

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.

PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions iii

Preface

Media storage/data export device. 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.

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 accessible. User is able to directly retrieve the memory device contents.

User-modiﬁable. The user can write to the memory device during normal instrument operation, using the instrument

interface or remote control.

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 PPG3000/PPG3200/PED3200/PED4000 Series 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.

Terminology The following terms are used in the tables in this section:

User data – Describes the type of information stored in the device. Refers to waveforms or other measurement data

representing signals connected to the instrument by users.

User settings – Describes the type of information stored in the device. Refers to instrument settings that can be

changed by the user.

Both – Describes the type of information stored in the device. It means that both user data and user settings are

stored in the device.

None – Describes the type of information stored in the device. It means that neither user data nor user settings

are stored in the device.

Directly – Describes how data is modiﬁed. It means that the user can modify the data.

Indirectly – Describes how data is modiﬁed. It means that the instrument system resources modify the data and that

the user cannot modify the data.

PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions 1

Clear and sanitize procedures

Table1:Volatilememorydevices

Type and

min. size Function

Type of user

info stored

Backed-up

by battery

Method of

modiﬁcation

Data input

method Location

User

accessible To clear Process to sanitize

Microprocessor

RAM (32 k)

Holds programs

and active

acquisition data

System and

user data

No Indirectly Firmware

operations

Processor

board

No Remove power from the

instrument for at least 20

seconds.

Remove power from the

instrument for at least 20

seconds.

FPGA RAM

(~4.1 Mbits)

Holds pattern

data and

miscellaneous

FPGA state

information

System and

user data

No Indirectly Firmware

operations

FPGA

board

No Remove power from the

instrument for at least 20

seconds.

Remove power from the

instrument for at least 20

seconds.

Table 2: Nonvolatile memory devices

Type and

min. size Function

Type of

user info

stored

Method of

modiﬁcation

Data Input

method Location User accessible To clear To sanitize

Microprocessor

ROM

(512 k)

Holds operating

system

None Not

modiﬁable

Programmed at

factory

Internal No Not accessible to user Not applicable, does

not contain user data

or settings. Sanitizing

would disable instrument

functionality.

FPGA

programming

ROM

Holds FPGA ﬁrmware None Not

modiﬁable

Programmed at

factory

Internal No Not accessible to user Not applicable, does

not contain user data

or settings. Sanitizing

would disable instrument

functionality.

2 PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions

Clear and sanitize procedures

Table 2: Nonvolatile memory devices (cont.)

Type and

min. size Function

Type of

user info

stored

Method of

modiﬁcation

Data Input

method Location User accessible To clear To sanitize

SD Card

(1 G)

Holds system,

calibration, and user

data

Pattern data,

system setup

Indirect Front panel,

USB remote

programming

Internal Yes Delete all user pattern data

and user instrument setup ﬁles.

Restore factory defaults to

instrument. Factory calibration

data remains.

Remove SD card.

Disables instrument

functionality. (Note:

opening instrument

and removing SD card

invalidates customer

warranty. Contact

Tektronix for more

information.)

EEPROM

(256 k)

Holds instrument

conﬁguration data

Used to

conﬁgure

instrument

Not

modiﬁable

Programmed at

factory

Internal No Not accessible to user Not applicable, does

not contain user data

or settings. Sanitizing

would disable instrument

functionality.

Clear the SD Card NOTE. The SD Card is the only location where user data is saved after turning the instrument off.

The following steps delete the instrument setup ﬁles and user pattern data ﬁles and loads the factory default parameters.

The steps involve touching soft keys on the touch screen through the graphical user interface.

1. Touch the UTIL soft key.

2. Touch the SAVE SETUP soft key.

3. Touch the DEFAULTS soft key.

4. Touch the FILE MGMT soft key.

Follow the on-screen procedure to delete all user instrument setup ﬁles.

5. Touch the PATTERN soft key.

PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions 3

Clear and sanitize procedures

6. Touch the FILE MGMT soft key.

Follow the on-screen procedure to delete all user pattern data ﬁles.

The instrument should now have the factory default parameters loaded and all user instrument setup ﬁles and all user

pattern data ﬁles should be deleted.

7. Power off the instrument.

Nonvolatile recovery

information

No recovery from a clear is needed as the nonvolatile clear procedure does not erase or change factory calibration constants

and the instrument ﬁrmware is not impacted. There is no standard sanitization procedure as it requires partial disassembly

of the instrument that is only permitted by factory authorized personnel.

4 PPG3000/PPG3200/PED3200/PED4000 Series Declassiﬁcation and Security Instructions

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