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TDP1500 & TDP3500
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Declassification and Security
Instructions
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R 97077
Purpose and Terms
This document helps customers with data security concerns to sanitize or remove
memory devices (if applicable) from the products listed below.
These products may have data storage devices (memory). These instructions
describe how to clear or sanitize the memory devices.
Products
Related Documents
Terms
The following Tektronix products are covered by this document:
TDP1500 & TDP3500 Differential Probes
TDP1500 Differential Probe Instruction Manual
TDP3500 Differential Probe Instruction Manual
The following terms may be used in this doc
Clear. This removes data on media/memory before reusing it in a secured
area. All reusable memory is cleared to d eny access to previously stored
information by standard means of access.
Erase. This is equivalent to clear.
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 pressarear-panelOFFswitchorremovethe
power source from the instrument.
ument:
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 u
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.
TDP1500 & TDP3500 Probe Declassification and Security 1
sedwhenthe
Clear and Sanitize Procedures
Clear and Sani
tize Procedures
Memory Devices
Table 1: Vola
Type an d
minimum size Function
Atmel Mega8
microcontroller
RAM, 1k
Table 2: Nonvolatile Memory Devices
Type an d
minimum size Function
Atmel Mega8
microcontroller
Flash, 8k
Atmel Mega38
microcontroller
EEROM, 1k RAM
tile Memory Devices
Hold EEROM
image and
operating variables
Hold uC firmware
Hold probe serial
number, range
state, etc.
User
modifiable
No Written by
User
modifiable
No Factory
No Factory
Data
input
method Location To clear To sanitize
Control Board N/A N/A
uC
Data
input
method Location To clear To sanitize
Control Board N/A N/A
programmed,
no user
data
Control Board N/A N/A
programmed
and
written by
firmware,
no user
data
NOTE. It
is not necessary to clear or sanitize the probe because there is no
user-generated data.
2 TDP1500 & TDP3500 Probe Declassification and Security
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