Esd Best Practices 266e3y
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Electrostatic Discharge and Grounding Cisco Best Practices
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
1
Implications of Poor Operational Practices Poor Customer Experience Frequent system downtime Long repair time Slow availability of new function
Higher OPEX Costs
Delayed benefits of innovation Lack of flexibility Function duplication Manual processes
Increased Unquantifiable Risk Unforeseen vulnerabilities Security breaches Data loss
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
2
High Availability – Average Cost of Impact Application
Average Cost / Hour of Downtime (US$)
Financial
Brokerage Operations
$7,840,000
Financial
Credit Card Sales
$3,160,000
Media
Pay-Per-View
$183,000
Retail
Home Shopping (TV)
$137,000
Retail
Catalog Sales
$109,000
Transportation
Airline Reservations
$108,000
Entertainment
Tele-Ticket Sales
$83,000
Shipping
Package Shipping
$34,000
Financial
ATM Fees
$18,000
Industry
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
3
Large ESD Charges Are Generated By: Types of ESD Damage to Electronic Products Catastrophic: Sudden and complete crash of the system
Cumulative: Device failures / silent failures
Walking across inadequate carpet material:
1,500 - 35,000 volts Walking over untreated vinyl floor:
250 - 12,000 volts Handling a vinyl envelope:
600 - 7,000 volts Latent: Failure over time
Worker at an ungrounded bench:
700 - 6,000 volts Unwinding regular tape:
9,000 - 15,000 volts 014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
4
Electrical Current Types First Type: Current flows easily from / to metals and people Can be grounded
Second Type: Electrical current does not flow easily Plastics CANNOT be grounded Typically very high charging
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
5
Cisco Recommendations to Manage ESD and Secure Proper Grounding Installation
Step by Step Cisco Best Practices
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
6
1
Define the Areas Where Network Products Are Handled or Installed
Store
Inspect Network Operations Center
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Receive
Cisco Confidential
7
2
Identify Control Level Based on Level of Potential Exposure
Store Mid Level II
Inspect
Network Operations Center
Mid Level II
Receive Low Level III
High Level I
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Low Level III 8
3
Use Appropriate Symbols to Identify Areas Where Sensitive Items Will Be Handled
High Level I Network Operations Center Network Operations Center High Level I
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 9
4
Prepare the Location – Make Sure the Building is Properly Grounded
Earth Ground
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
10
5
Ground Work Stations Where Network Products Are Physically Handled Ground Point
Ground Point Ground Point
Ground Point
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 11
6
Prepare Rack Room – Connect Properly to Earth Ground
Earth Ground
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 12
7
Ground Work Stations Areas When Physically Handling Network Products
•Example of Good (check mark) workstation
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 13
8
Ground Network Products According to Product Documentation Instructions A - Grounding in an electronic equipment room with an existing grounding grid beneath the floor
Building Steel Columns
Power Center Network Product
Welded – Bounding Strap
Fake- Upper Floor
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Grounding / Signal Reference Grid
Cisco Confidential
Always
14
9
Ground Network Products According to Product Documentation Instructions B - Grounding in an electronic equipment room without an existing grounding grid beneath the floor
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
15
10
Use Resistive Grounding and Insulating Materials 100% Cotton
Wheels
Wrist Strap
Foot Strap
High Level I
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Mid Level II 16
11
Provide Appropriate Ground Paths to Avoid Generation and Accumulation of Static
Floor mats / floor finishes insulating floor
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 17
12
Always Carry Sensitive Items Inside ESD Bags
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 18
13
Always Place ESD-Sensitive Items on a Protected ESD Surface
Protected ESD mat High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 19
14
Touch ONLY If You Are Grounded or Your Body Static Charge Has Been Neutralized
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 20
15
Touch ONLY If You Are Grounded or Your Body Static Charge Has Been Neutralized
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 21
16
To Store or Ship, Always Pack Inside ESD Bags and Corrugated Product Boxes
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 22
For more information call Cisco Technical or visit cisco.com
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
1
Implications of Poor Operational Practices Poor Customer Experience Frequent system downtime Long repair time Slow availability of new function
Higher OPEX Costs
Delayed benefits of innovation Lack of flexibility Function duplication Manual processes
Increased Unquantifiable Risk Unforeseen vulnerabilities Security breaches Data loss
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
2
High Availability – Average Cost of Impact Application
Average Cost / Hour of Downtime (US$)
Financial
Brokerage Operations
$7,840,000
Financial
Credit Card Sales
$3,160,000
Media
Pay-Per-View
$183,000
Retail
Home Shopping (TV)
$137,000
Retail
Catalog Sales
$109,000
Transportation
Airline Reservations
$108,000
Entertainment
Tele-Ticket Sales
$83,000
Shipping
Package Shipping
$34,000
Financial
ATM Fees
$18,000
Industry
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
3
Large ESD Charges Are Generated By: Types of ESD Damage to Electronic Products Catastrophic: Sudden and complete crash of the system
Cumulative: Device failures / silent failures
Walking across inadequate carpet material:
1,500 - 35,000 volts Walking over untreated vinyl floor:
250 - 12,000 volts Handling a vinyl envelope:
600 - 7,000 volts Latent: Failure over time
Worker at an ungrounded bench:
700 - 6,000 volts Unwinding regular tape:
9,000 - 15,000 volts 014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
4
Electrical Current Types First Type: Current flows easily from / to metals and people Can be grounded
Second Type: Electrical current does not flow easily Plastics CANNOT be grounded Typically very high charging
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
5
Cisco Recommendations to Manage ESD and Secure Proper Grounding Installation
Step by Step Cisco Best Practices
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
6
1
Define the Areas Where Network Products Are Handled or Installed
Store
Inspect Network Operations Center
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Receive
Cisco Confidential
7
2
Identify Control Level Based on Level of Potential Exposure
Store Mid Level II
Inspect
Network Operations Center
Mid Level II
Receive Low Level III
High Level I
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Low Level III 8
3
Use Appropriate Symbols to Identify Areas Where Sensitive Items Will Be Handled
High Level I Network Operations Center Network Operations Center High Level I
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 9
4
Prepare the Location – Make Sure the Building is Properly Grounded
Earth Ground
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
10
5
Ground Work Stations Where Network Products Are Physically Handled Ground Point
Ground Point Ground Point
Ground Point
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 11
6
Prepare Rack Room – Connect Properly to Earth Ground
Earth Ground
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 12
7
Ground Work Stations Areas When Physically Handling Network Products
•Example of Good (check mark) workstation
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 13
8
Ground Network Products According to Product Documentation Instructions A - Grounding in an electronic equipment room with an existing grounding grid beneath the floor
Building Steel Columns
Power Center Network Product
Welded – Bounding Strap
Fake- Upper Floor
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Grounding / Signal Reference Grid
Cisco Confidential
Always
14
9
Ground Network Products According to Product Documentation Instructions B - Grounding in an electronic equipment room without an existing grounding grid beneath the floor
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
15
10
Use Resistive Grounding and Insulating Materials 100% Cotton
Wheels
Wrist Strap
Foot Strap
High Level I
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Mid Level II 16
11
Provide Appropriate Ground Paths to Avoid Generation and Accumulation of Static
Floor mats / floor finishes insulating floor
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
High Level I 17
12
Always Carry Sensitive Items Inside ESD Bags
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 18
13
Always Place ESD-Sensitive Items on a Protected ESD Surface
Protected ESD mat High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 19
14
Touch ONLY If You Are Grounded or Your Body Static Charge Has Been Neutralized
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 20
15
Touch ONLY If You Are Grounded or Your Body Static Charge Has Been Neutralized
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 21
16
To Store or Ship, Always Pack Inside ESD Bags and Corrugated Product Boxes
High Level I Mid Level II
014874_11_2008 ESD Best Practices
© 2008 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Always
Low Level III 22
For more information call Cisco Technical or visit cisco.com
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