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7210 SERVICE ACCESS
SWITCH
SAS-R12 CHASSIS
INSTALLATION GUIDE
3HE 10320 AAAA TQZZA
Edition: 06
June 2017
SAS-R12 CHASSIS INSTALLATION GUIDE
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SAS-R12 CHASSIS INSTALLATION GUIDE
3HE 10320 AAAA TQZZA Edition: 06
Nokia is a registered trademark of Nokia Corporation. Other products and company
names mentioned herein may be trademarks or trade names of their respective
owners.
All specifications, procedures, and information in this document are subject to
change and revision at any time without notice. The information contained herein is
believed to be accurate as of the date of publication. Nokia provides no warranty,
express or implied, regarding its contents. Users are fully responsible for application
or use of the documentation.
© 2017 Nokia. All rights reserved.
Contains proprietary/trade secret information which is the property of Nokia and must
not be made available to, or copied or used by anyone outside Nokia without its
written authorization. Not to be used or disclosed except in accordance with
applicable agreements.
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Table of Contents
1 Preface............................................................................ 13
1.1 About This Manual.....................................................................13
1.1.1 Warnings and Notes..................................................................13
1.1.2 Audience....................................................................................13
1.1.3 Symbols and Labels..................................................................14
1.1.4 Technical Support......................................................................14
2 Mandatory Regulations................................................. 15
2.1 In This Chapter..........................................................................15
2.2 List of Terms..............................................................................15
2.3 General Requirements ..............................................................17
2.3.1 Dangers and Warnings..............................................................17
2.3.2 Anti-static Measures..................................................................18
2.3.2.1 Grounding..................................................................................19
2.3.3 Equipment Interconnection Points.............................................19
2.3.3.1 SELV/ES1..................................................................................19
2.3.3.2 TNV-2/ES2 ................................................................................20
2.3.4 Prevention of Access.................................................................20
2.3.5 Environmental Requirements for Installation.............................20
2.3.6 Laser Interface ..........................................................................20
2.3.7 Protective Safety Ground (Earth) ..............................................20
2.3.8 EMC Compliance.......................................................................21
2.3.9 Regulatory Symbols ..................................................................21
2.4 Safety Approvals .......................................................................22
2.5 Safety Approval for External DC Sources ................................22
2.6 Canada Regulations..................................................................23
2.6.1 Industry Canada Regulations....................................................23
2.6.2 EMC Compliance.......................................................................24
2.7 United States Regulations.........................................................24
2.7.1 Federal Communications Commission......................................24
2.7.2 NRTL.........................................................................................25
2.7.3 Food and Drug Administration...................................................25
2.8 European Union Regulations.....................................................26
2.8.1 Declaration of Conformity..........................................................26
2.8.2 EU Compliance Statement........................................................26
2.8.3 EMC/EMI Compliance...............................................................26
2.8.4 General......................................................................................26
2.8.5 Laser Interface...........................................................................27
2.8.6 Protective Earth ........................................................................27
2.8.7 Eco-Environmental ...................................................................27
2.8.8 Material Content Compliance....................................................28
2.9 Australia/New Zealand Regulations ..........................................29
2.9.1 ACMA Regulations....................................................................29
2.10 China Regulations.....................................................................29
2.10.1 Packaging Collection and Recovery Requirements ..................29
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2.10.2 Material Content Compliance....................................................30
2.10.3 Altitude Limit..............................................................................30
2.11 South Korea Regulations...........................................................31
2.12 Japan/Nippon Requirements Only.............................................32
2.13 Safety and Compliance Agency Certifications...........................33
3 System Overview........................................................... 35
3.1 System Features .......................................................................35
3.2 System Architecture ..................................................................36
3.3 Network Management Options..................................................37
3.3.1 Connectivity...............................................................................37
3.4 Hardware Description................................................................38
3.4.1 Slot Allocation............................................................................39
3.4.2 SF/CPM.....................................................................................40
3.4.2.1 Management Port .....................................................................41
3.4.2.2 Console Port .............................................................................41
3.4.2.3 BITS Port...................................................................................42
3.4.2.4 OMC Port...................................................................................42
3.4.2.5 Alarm Interface Port ..................................................................42
3.4.2.6 USB Port ...................................................................................43
3.4.2.7 Compact Flash Memory Card Slot ...........................................43
3.4.2.8 Internal Flash Memory...............................................................43
3.4.2.9 Ethernet Interfaces....................................................................44
3.4.3 Power Entry Modules ................................................................44
3.4.3.1 DC PEMs...................................................................................44
3.4.3.2 AC to DC Rectifiers ...................................................................46
3.4.4 Fan Tray....................................................................................49
3.4.5 Air Filter.....................................................................................49
3.4.6 System LEDs.............................................................................49
3.4.6.1 System Buttons .........................................................................51
3.4.7 IMMs..........................................................................................52
3.4.7.1 16-Port 1GE RJ.5 IMMv2 ..........................................................52
3.4.7.2 11-Port 1GE SFP/22-Port 1GE CSFP IMMv2...........................54
3.4.7.3 10-Port 1GE SFP + 1-Port 10GE SFP+ IMMv2.........................57
3.4.7.4 2-Port 10GE SFP+ IMMv2.........................................................59
3.4.7.5 4-Port 10GE SFP+ IMMv2.........................................................61
3.4.7.6 1-Port 100GE CFP4 IMMv3.......................................................63
3.4.8 Impedance Panels.....................................................................65
4 Site Preparation and Installation.................................. 67
4.1 Site Preparation.........................................................................67
4.1.1 Selecting a Site..........................................................................67
4.1.2 Ethernet Cabling........................................................................68
4.1.3 Equipment Checklist .................................................................69
4.2 Warnings and Notes..................................................................69
4.3 Equipment Rack Requirements.................................................71
4.3.1 Rack Clearance Requirements..................................................72
4.4 Installing the Chassis.................................................................73
4.4.1 Preparing the Chassis for Installation........................................73
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4.4.2 Setting Exhaust Air Flow Direction............................................75
4.4.3 Rack Mounting the Switch.........................................................77
4.4.3.1 General Instructions ..................................................................77
4.4.3.2 Predetermine Chassis Position .................................................78
4.4.3.3 Standard 19-Inch Rack..............................................................79
4.4.3.4 ETSI 23-inch Rack.....................................................................80
4.5 Grounding the Chassis..............................................................81
4.5.1 Making the Ground Connection.................................................82
4.6 Connecting Power.....................................................................84
4.6.1 Installing and Connecting DC PEMs .........................................84
4.6.2 Installing AC to DC Rectifiers....................................................88
4.6.2.1 Making Power Connections to the AC Rectifier Shelf ...............92
4.6.3 Powering on the Switch.............................................................94
4.7 Installing the Fan Tray...............................................................95
4.8 Installing the Air Filter................................................................96
4.9 Installing the Bezel ....................................................................97
4.10 Installing SF/CPMs....................................................................98
4.11 Installing IMMs.........................................................................100
5 Transceivers................................................................. 103
5.1 Warnings and Notes................................................................104
5.2 Installation Preparation............................................................105
5.2.1 Locking and Release Mechanisms..........................................105
5.3 Handling Transceivers.............................................................106
5.3.1 Inserting Transceivers.............................................................107
5.3.2 Removing and Replacing Transceivers...................................107
6 Configuring the System .............................................. 109
6.1 Establishing Switch Management Connections.......................109
6.1.1 Console Connection................................................................109
6.1.2 Telnet Connection ...................................................................110
6.1.2.1 Running Telnet........................................................................111
6.2 Initializing the System and Downloading Software..................111
6.2.1 Booting in the Lab....................................................................111
6.2.2 Booting from External Compact Flash.....................................112
6.2.3 Booting using the Out-of-Band Management Port...................113
6.2.4 Booting from USB....................................................................114
6.3 Restarting the Switch...............................................................115
6.4 Ejecting Flash Cards ...............................................................116
6.5 Diagnostics..............................................................................116
6.5.1 Post Installation Status ...........................................................116
7 Troubleshooting .......................................................... 117
7.1 Diagnosing Switch Indicators ..................................................118
7.2 Power and Cooling Problems..................................................120
7.3 Installation ...............................................................................120
7.4 In-Band Access .......................................................................120
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8 Field Replaceable Units .............................................. 121
8.1 Air Filter...................................................................................122
8.1.1 Removing and Replacing the Air Filter....................................122
8.2 SF/CPMs.................................................................................123
8.2.1 Warnings and Notes................................................................123
8.2.2 Removing and Replacing SF/CPMs........................................124
8.3 IMMs........................................................................................125
8.3.1 Warnings and Notes................................................................125
8.3.2 Shutting Down and Modifying Card Configuration...................126
8.3.3 Removing and Replacing IMMs...............................................127
8.4 Power Entry Modules ..............................................................128
8.4.1 Warnings and Notes................................................................128
8.4.2 Removing and Replacing DC PEMs........................................130
8.4.3 Removing and Replacing AC to DC Rectifiers........................131
8.5 Fan Tray..................................................................................132
8.5.1 Warnings and Notes................................................................132
8.5.2 Removing and Replacing the Fan Tray...................................132
9 Specifications .............................................................. 133
9.1 Physical Specifications............................................................134
9.1.1 Chassis Specifications.............................................................134
9.1.2 Environmental Specifications ..................................................134
9.1.3 Fan Tray Specifications...........................................................135
9.2 Power Specifications...............................................................136
9.2.1 Chassis Power Specifications .................................................136
9.2.2 PEM Specifications..................................................................136
9.2.3 AC to DC Rectifier Specifications............................................137
9.3 Calculating Maximum Power Consumption.............................138
10 Pin Assignments.......................................................... 141
10.1 Management Port Pin Assignments........................................142
10.2 BITS Cable Connector.............................................................144
10.3 OMC Port.................................................................................145
10.4 RJ.5 Port..................................................................................146
10.5 Console Port Pin Assignment..................................................147
11 Alarm Interface............................................................. 149
11.1 Alarm Interface Port Connector...............................................149
11.1.1 Alarm Interface Port Pin Assignments.....................................150
11.1.1.1 Alarm Interface Y-connection..................................................153
11.1.1.2 Alarm Monitoring CLI Commands ...........................................157
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12 Parts List ...................................................................... 159
12.1 Spare Parts and Accessories..................................................159
13 Installation Site Assessment ..................................... 161
13.1 Geographical Location.............................................................161
13.2 Installation Site Type...............................................................162
13.2.1 Room.......................................................................................162
13.2.2 Cabinet....................................................................................163
13.3 Site Influences.........................................................................163
13.4 Site Assessment Checklists ....................................................164
13.4.1 Seasonal Influences................................................................165
13.4.2 Local Risk Factors...................................................................165
13.4.3 Specific Characteristics of the Installation Site........................167
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List of Tables
2 Mandatory Regulations................................................. 15
Table 1 List of Terms .............................................................................15
Table 2 Regulatory Symbols .................................................................21
Table 3 Safety and Compliance Agency Certifications ..........................33
3 System Overview........................................................... 35
Table 4 7210 SAS-R12 Front Panel Descriptions ................................39
Table 5 SF/CPM Descriptions ..............................................................41
Table 6 DC PEM Features .....................................................................45
Table 7 AC to DC Rectifier LEDs ...........................................................48
Table 8 System and Port LED Behavior ................................................50
Table 9 System Button Functions ..........................................................51
Table 10 16-Port 1GE RJ.5 IMMv2 Descriptions ....................................52
Table 11 16-Port 1GE RJ.5 IMMv2 LEDs.................................................53
Table 12 11-Port 1GE SFP/22 -Port 1GE CSFP IMMv2 Descriptions ...54
Table 13 11-Port 1GE SFP/22 -Port 1GE CSFP IMMv2 LEDs ................55
Table 14 10-Port 1GE SFP + 1-Port 10GE SFP+ IMMv2 Descriptions ..57
Table 15 10-Port 1GE SFP + 1-Port 10GE SFP+ IMMv2 LEDs...............58
Table 16 2-Port 10GE SFP+ IMMv2 Descriptions....................................59
Table 17 2-Port 10GE SFP+ IMMv2 LEDs ..............................................60
Table 18 4-Port 10GE SFP+ IMMv2 Descriptions....................................61
Table 19 4-Port 10GE SFP+ IMMv2 LEDs ..............................................62
Table 20 1-Port 100GE CFP4 IMMv3 Features .......................................63
Table 21 1-Port 100GE CFP4 IMMv3 LEDs ............................................64
4 Site Preparation and Installation.................................. 67
Table 22 AC Rectifier Shelf Description...................................................88
Table 23 AC Rectifier Shelf Rear Panel Features....................................92
Table 24 AC Input Line Connection Definition..........................................93
6 Configuring the System .............................................. 109
Table 25 Console Configuration Parameter Values...............................109
7 Troubleshooting .......................................................... 117
Table 26 Troubleshooting ......................................................................118
9 Specifications .............................................................. 133
Table 27 Chassis Specifications ............................................................134
Table 28 Environmental Specifications .................................................134
Table 29 Fan Tray Specifications ..........................................................135
Table 30 Chassis Specifications ............................................................136
Table 31 PEM Specifications .................................................................136
Table 32 AC to DC Rectifier Specifications ...........................................137
Table 33 Chassis Power Consumption .................................................139
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10 Pin Assignments.......................................................... 141
Table 34 10/100 Mbs Management Ethernet Port—RJ-45 Female .......142
Table 35 1000 Mbs Management Ethernet Port—RJ-45 Female ........143
Table 36 BITS Port Pin Assignments ....................................................144
Table 37 OMC Port Pin Assignments ...................................................145
Table 38 Ethernet Port Pin Assignments—RJ Point Five Female .........146
Table 39 Console Port Pin Assignments ...............................................147
11 Alarm Interface............................................................. 149
Table 40 Alarm Interface Port Pin Assignments ....................................150
12 Parts List ...................................................................... 159
Table 41 Parts List ................................................................................159
13 Installation Site Assessment ..................................... 161
Table 42 Seasonal Influences................................................................165
Table 43 Local Risk Factors ..................................................................165
Table 44 Specific Characteristics of the Installation Site .......................167
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List of Figures
2 Mandatory Regulations................................................. 15
Figure 1 ESD Awareness Label...............................................................18
Figure 2 WEEE Symbol for post-August 13, 2005 Product.....................28
Figure 3 Altitude Limit Symbol.................................................................30
3 System Overview........................................................... 35
Figure 4 Hardware Architecture...............................................................36
Figure 5 Software Architecture................................................................36
Figure 6 7210 SAS-R12 Chassis Front View...........................................38
Figure 7 Slot Allocation............................................................................39
Figure 8 7210 SAS-R12 SF/CPM............................................................40
Figure 9 OMC Device..............................................................................42
Figure 10 DC PEM.....................................................................................44
Figure 11 DC PEM Features .....................................................................45
Figure 12 AC to DC Rectifier.....................................................................46
Figure 13 AC Rectifier Shelf .....................................................................47
Figure 14 AC Rectifier LEDs......................................................................48
Figure 15 System LEDs.............................................................................49
Figure 16 16-Port 1GE RJ .5 IMMv2 .........................................................52
Figure 17 11-Port 1GE SFP/22 -Port 1GE CSFP IMMv2..........................54
Figure 18 10-Port 1GE SFP + 1-Port 10GE SFP+ IMMv2.........................57
Figure 19 2-Port 10GE SFP+ IMMv2.........................................................59
Figure 20 4-Port 10GE SFP+ IMMv2.........................................................61
Figure 21 1-Port 100GE CFP4 IMMv3.......................................................63
Figure 22 Impedance Panels.....................................................................65
4 Site Preparation and Installation.................................. 67
Figure 23 Chassis Clearance Requirements (Top View)...........................72
Figure 24 Temporary Plates......................................................................74
Figure 25 Side Exhaust-duct Cover Plates................................................75
Figure 26 Rear Exhaust-duct Cover Plates...............................................76
Figure 27 Bracket Location Points.............................................................78
Figure 28 Rack Mounting Chassis in 19-inch Rack...................................79
Figure 29 Grounding Terminal...................................................................83
Figure 30 Installing a DC PEM ..................................................................85
Figure 31 Inserting the DC Input Connector..............................................86
Figure 32 Connecting the Vdc Power Feed...............................................87
Figure 33 AC Rectifier Shelf......................................................................88
Figure 34 Installing AC Rectifier in Shelf ..................................................89
Figure 35 Low-line Input Connections to 7210 SAS-R12..........................90
Figure 36 High-line Input Connections to 7210 SAS-R12 .........................91
Figure 37 AC Rectifier Shelf Rear Panel...................................................92
Figure 38 AC Power Input Terminal Block.................................................93
Figure 39 Installing the Fan Tray...............................................................95
Figure 40 Installing the Air Filter................................................................96
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Figure 41 Installing the Bezel ....................................................................97
Figure 42 Installing SF/CPM Module.........................................................99
Figure 43 Installing an IMM .....................................................................101
5 Transceivers................................................................. 103
Figure 44 Handling Transceivers with Locking Handle............................106
Figure 45 Handling Transceivers with Bail ..............................................106
6 Configuring the System .............................................. 109
Figure 46 Network Boot Process.............................................................113
8 Field Replaceable Units .............................................. 121
Figure 47 Removing the SF/CPM............................................................124
Figure 48 Removing an IMM ...................................................................127
Figure 49 Removing the DC PEM ...........................................................130
Figure 50 Replacing AC Rectifier ............................................................131
10 Pin Assignments.......................................................... 141
Figure 51 RJ.5 Connector Pin Orientation...............................................146
11 Alarm Interface............................................................. 149
Figure 52 DB-15 Alarm Connector ..........................................................149
Figure 53 Alarm Inputs Using DB-15 Alarm Connector...........................152
Figure 54 Alarm Inputs Using External Power Source ............................153
Figure 55 Alarm Inputs: Y-connection .....................................................155
Figure 56 Normally Open Alarm Outputs: Y-connection..........................156
Figure 57 Normally Closed Alarm Outputs: Y-connection.......................156
SAS-R12 CHASSIS INSTALLATION GUIDE Preface
Edition: 06 3HE 10320 AAAA TQZZA 13
1 Preface
1.1 About This Manual
This guide provides site preparation recommendations, step-by-step procedures to
install the Nokia 7210 SAS-R12 chassis in 19-inch and European
Telecommunications Standards Institute (ETSI) racks. In addition, it includes
instructions on how to install, remove and replace all field-replaceable units (FRUs),
such as the Control Processing Module/Switch Fabric (SF/CPM), Integrated Media
Module (IMM), DC power entry module (PEM), Fan Tray and air filter.
1.1.1 Warnings and Notes
Observe the warnings and notes provided in each chapter to avoid injury or
equipment damage during installation and maintenance. Follow the safety
procedures and guidelines when working with and near electrical equipment.
1.1.2 Audience
This guide is intended for network installers and system administrators who are
responsible for installing, configuring, or maintaining networks. This guide assumes
that you are familiar with electronic and networking technologies.
Preface
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1.1.3 Symbols and Labels
The following symbols and labels are contained in this guide:
1.1.4 Technical Support
If you purchased a service agreement for your 7210 SAS-R12 and related products
from a distributor or authorized reseller, contact the technical support staff for that
distributor or reseller for assistance. If you purchased an Nokia service agreement,
contact technical assistance at:
Customer Documentation Technical Support
Danger: This symbol warns that incorrect handling and installation could result in
bodily injury. An electric shock hazard could exist. Before you begin work on this
equipment, be aware of hazards involving electrical circuitry, be familiar with
networking environments, and observe accident prevention procedures.
Warning: This symbol warns that incorrect handling and installation could result in
equipment damage or loss of data.
Caution: This symbol warns that incorrect handling may reduce the component or
system performance.
Note: This symbol provides additional operational information.
This label indicates that only approved Class 1 replaceable laser
transceivers should be used with this product.
CLASS 1 LASER PRODUCT
SAS-R12 CHASSIS INSTALLATION GUIDE Mandatory Regulations
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2 Mandatory Regulations
2.1 In This Chapter
The following sections describe the mandatory regulations that govern the
installation and operation of the 7210 SAS-R12.
• List of Terms, section 2.2
• General Requirements, section 2.3
• Canada Regulations, section 2.6
• United States Regulations, section 2.7
• European Union Regulations, section 2.8
• Australia/New Zealand Regulations, section 2.9
• China Regulations, section 2.10
• South Korea Regulations, section 2.11
• Japan/Nippon Requirements Only, section 2.12
• Safety and Compliance Agency Certifications, section 2.13
2.2 List of Terms
Table 1 lists the mandatory regulations terms used in this guide.
Table 1 List of Terms
Term Expansion
ACMA Australian Communications and Media Authority
ACTA Administrative Council for Terminal Attachments
ANSI American National Standards Institute
AS/NZ Australian/New Zealand standard
CBN Common Bonding Network
CE Conformité Européene
CFR Code of Federal Regulations
Mandatory Regulations
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CSA International Canadian Standards Association International
DC-C Common DC Return
DC-I Isolated DC Return
EEC European Economic Community
EMC Electromagnetic Compatibility
EMI Electromagnetic Interference
EN European Standards
ES1 Class 1 energy source
ES2 Class 2 energy source
ES3 Class 3 energy source
ETSI European Telecommunications Standards Institute
FCC Federal Communications Commission
IBN Isolated Bonding Network
ICES Interference Causing Equipment Standard
IEC International Electrotechnical Commission
IEE Institute of Electrical Engineers (UK)
LVD Low Voltage Directive
NRTL Nationally Recognized Testing Laboratory
OSHA (USA) Occupational Safety and Health Administration (USA)
RoHS Restriction of the use of certain Hazardous Substances
SELV Safety Extra Low Voltage
TNV-1 Telecommunications Network Voltage, class 1
TNV-2 Telecommunications Network Voltage, class 2
TNV-3 Telecommunications Network Voltage, class 3
UL Underwriters Laboratories
WEEE Waste Electrical and Electronic Equipment
Table 1 List of Terms (Continued)
Term Expansion
SAS-R12 CHASSIS INSTALLATION GUIDE Mandatory Regulations
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2.3 General Requirements
The sections that follow outline the mandatory regulations that govern the installation
and operation of the 7210 SAS-R12. The information in this section also describes
instructions and information related to overall conformance with the mandatory
regulations. You must adhere to these instructions so that your system meets
regulatory requirements.
2.3.1 Dangers and Warnings
You must comply with the general safety precautions and product requirements
described below during site preparation and equipment installation. Specific
precautions and requirements are contained in the individual chapters in this guide.
Danger:
• The 7210 SAS-R12 uses a fiber-optic communication method and is a Class
1 laser product. Additionally, there are no user-serviceable parts in the
7210 SAS-R12 chassis. Installation and servicing of the system must be
done only by trained service personnel familiar with potential electrical,
mechanical, and laser radiation hazard.
• Before working on equipment that is connected to power, remove jewelry,
such as rings, necklaces, and watches. When metal objects are in contact
with power and ground, serious burns can occur or the objects can be
welded to the terminals.
• CLASS 1 LASER PRODUCT
• APPAREIL À LASER DE CLASSE 1
• DISCONNECT BOTH POWER FEEDS BEFORE INSTALLATION AND
SERVICING
• DÉBRANCHER L’ALIMENTATION LES 2 SOURCES DC AVANT
L’ENTRETIEN
Warning: The compliance and long-term reliability of the 7210 SAS-R12 are wholly
dependent on using the product within the environmental limits and restrictions described in
this document.
Mandatory Regulations
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2.3.2 Anti-static Measures
Figure 1 shows the ESD awareness label used on Alcatel-Lucent products to alert
personnel to the presence of ESD-sensitive devices in the product. This icon and
associated text provide special information relating to ESD-sensitive activities or
situations. The ESD precautions that follow must be taken whenever this symbol is
present on the product.
Figure 1 ESD Awareness Label
The risk of damage to an ESD-sensitive device is reduced considerably after
assembly in a circuit designed to protect sensitive components; however, the
following basic precautions should be taken to reduce ESD to harmless levels.
• Handle all units as if they contained ESD-sensitive devices unless they are
known not to contain ESD-sensitive parts.
• Wear an anti-static ESD strap on your wrist or heel prior to and while touching
or handling units containing ESD-sensitive devices.
• For surfaces with resistance to ground in excess of 100 MΩ, such as ordinary
tile, either cover them with properly grounded static dissipative runners or
wax them with a static dissipative wax.
• Store (even temporarily), pack, and ship units in anti-static bags or
containers.
Warning:
• ESD damage can occur if components are mishandled. The chassis and
equipment rack must be properly grounded. A typical grounding point is one
of the ground studs on the chassis or a properly grounded rack or work
bench.
• Always wear an ESD-preventive wrist or ankle strap connected to a nearby
ground point that is connected to the site grounding point when working on
the
chassis or the 100W High Voltage Power Supply.
SAS-R12 CHASSIS INSTALLATION GUIDE Mandatory Regulations
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• Do not handle units and components unnecessarily. Use the plastic faceplate
to handle circuit boards.
• Do not use synthetic bristled brushes or acid brushes to clean units.
• Handle failed units with the same precautions as working units.
2.3.2.1 Grounding
When a 7210 SAS-R12 chassis is properly installed in a grounded equipment rack,
the rack provides ESD grounding for the chassis. Before a 7210 SAS-R12 chassis is
installed, connect the ESD wrist strap to a grounded rack or other ground point. After
the chassis is installed in a grounded rack or cabinet, connect the anti-static wrist
strap to the ESD strap ground point on the ground stud that is located on the front of
the chassis and identified by the wrist strap label.
2.3.3 Equipment Interconnection Points
2.3.3.1 SELV/ES1
The following interconnection points on all 7210 SAS-R12 chassis are SELV or ES1
connections:
• SONET/SDH ports
• Gigabit Ethernet ports
• Management port
• Console port
• DC battery input (when less than 60 VDC)
Warning: Only connect like circuits: SELV to SELV, TNV-2 to TNV-2, as defined in IEC
60950-1.
Mandatory Regulations
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2.3.3.2 TNV-2/ES2
The following interconnection points on all 7210 SAS-R12 chassis are TNV-2 or ES2
connections.
• DC battery input (from 60 VDC up to 80 VDC)
2.3.4 Prevention of Access
The 7210 SAS-R12 and 100W High Voltage Power Supply must be accessible only
to authorized, trained service personnel. Install this apparatus in a restricted access
location or similar environment to prevent unauthorized access.
2.3.5 Environmental Requirements for Installation
For information on the environmental requirements for installing the 7210 SAS-R12,
see section 9.
2.3.6 Laser Interface
The 7210 SAS-R12 uses a fiber-optic communications method and is an FDA and
IEC Class 1 Laser product. Only trained service personnel thoroughly familiar with
laser radiation hazards should install or remove the fiber-optic cables in this system.
2.3.7 Protective Safety Ground (Earth)
The cable used for safety ground should be at least the same gauge as the supply
conductors, green, or green and yellow, in color, and of sufficient length to connect
the building earth point to the chassis ground connection (refer to section 4.5.1 for
specific instructions on connecting the chassis ground).
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