Tektronix AFG2000 Manual de usuario

AFG2000 Series

Arbitrary Function Generators

Declassiﬁcation and Security

ZZZ

Instructions

www.tektronix.com

*P077061901*

077-0619-01

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Contacting Tektronix

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Table of Contents

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

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

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

Media and data export devices ............................................................................... 3

Built-In security features .......................................................................................... 5

Secure........................................................................................................... 5

Access Protection.............................................................................................. 5

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

How to clear or sanitize a nonfunctional instrument.............................. ......................... 7

How to recover from clearing or removing the memory .................................................. 7

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

AFG2000 Series Declassiﬁcation and Security Instructions i

Table of Contents

ii AFG2000 Series Declassiﬁcation and Security Instructions

Preface

This document helps customers with data security concerns to sanitize or

remove memory devices from the Tektronix AFG2000 Series Arbitrary Function

Generators.

All of these products have data storage (memory) devices. Some models have

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.

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 arbitrary function generator models are covered by this

document:

AFG2021

AFG2021-SC

AFG2021-BR

Related documents You can read more about your instrument in the following documents. These are

available online at www.tektronix.com/downloads.

AFG2000 Series Arbitrary Function Generator Service Manual

AFG2021 Arbitrary Function Generator Quick Start User Manual

AFG2021-SC and AFG2021-BR Arbitrary Function Generators Quick Start

User Manual

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.

AFG2000 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. Thisisaphysicalmeanstoclearthedatabyremovingthememory

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.

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

iv AFG2000 Series Declassiﬁcation and Security Instructions

Clear and sanitize procedures

Memory devices

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

instrument. 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 informationstoredinthedevice. Itmeansthat

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.

Table 1: Volatile memory devices

Typeand

min. size Function Data Input method Location User accessible To clear

SDRAM 1 M

x64

Microprocessor system

memory, Display

memory

Written by processor

system

U202, U203 on

main board

No Remove the power source from the

instrument for at least 20 seconds.

Table 2: Nonvolatile memory devices

Type and

min. size Function

Data Input

method Location User accessible To sanitize

Flash, 4 M x

Holds instrument

ﬁrmware, setups,

waveforms, calibration

data, Ethernet MAC

address, and instrument

serial number

Programmed

at the factory,

ﬁrmware

operations, and

user input

U201 on main board Yes Use Secure. See the Clear or

sanitize instrument procedure

(See page 2.).

AFG2000 Series Declassiﬁcation and Security Instructions 1

Clear and sanitize procedures

Clearorsanitize

instrument

UsethisSecurefunction to erase conﬁdential data from your instrument. This

procedure does not erase or change factory calibration constants.

1. Push the front-panel Utility button to display the Utility menu.

2. Push the System bezel button.

3. Push the Secure bezel button. The following message appears on the screen:

“The Secure function will erase all setups and waveforms stored in the

internal memory. Are you sure you want to execute secure function?”

4. Select OK to execute Secure. Secure does the following:

Erases all waveforms and stored setups in all user memories.

Replaces the current front-panel setup with the default factory setup

values.

Replaces the current GPIB and Ethernet settings with the default factory

settings for models with these ports.

2 AFG2000 Series Declassiﬁcation and Security Instructions

Clear and sanitize procedures

Media and data export devices

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

listed options. Detailed procedures to disable these devices, if any, are shown

following the table.

Table 3: Media and data export devices

Type and min.

size

Function User

modiﬁable

Data Input method Location Process to disable

USB host port Supports

removable USB

memory device to

save setups and

waveforms.

Yes User writeable Front panel Files can be deleted or overwritten

on the arbitrary/function generator or

a PC; USB memory device can be

removed and destroyed. The USB host

port cannot be disabled.

USB device port Supports remote

control and data

transfer to PC.

None Remote control via

USB TMC

Rear panel The USB device port cannot be

disabled.

LAN Ethernet 1Supports remote

control and data

transfer to PC.

None Remote control via

VXI-11

Rear panel The Ethernet port can be disabled.

Set “0.0.0.0” as IP Address and

Subnet Mask under Utility-I/O

Interface-Ethernet.

GPIB 1Supports remote

control and data

transfer to PC.

None Remote control via

IEEE488.2

Rear panel The GPIB can be disabled. Select

Off Bus as Utility-I/O Interface-

GPIB-Conﬁguration.

1This device is only available on AFG2021 instruments with option GL.

AFG2000 Series Declassiﬁcation and Security Instructions 3

Clear and sanitize procedures

4 AFG2000 Series Declassiﬁcation and Security Instructions

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