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Installation Preparation and Precautions

76 7750 SR-a4 and SR-a8 Installation Guide

Note:

• Installation of the 7750 SR-a4 or the 7750 SR-a8 chassis in the rack requires two

people, one person to hold the chassis and one person to secure it to the rack.

Table of Contents

Default Chapter3
- Table of Contents3
Preface17
- About this Manual17
- Warnings and Notes19
- Audience19
Preface20
- Information Symbols20
- Technical Support20
- Table 1 Information Symbols20
7750 SR-A4 and 7750 SR-A8 Overview23
- In this Chapter23
- 7750 SR-A Chassis Features24
  - 7750 SR-A4 Chassis Features24
  - 7750 SR-A8 Chassis Features27
- 7750 SR-A Modules31
- 7750 SR-A Chassis Components38
- 7750 SR-A System Installation Process46
Site Preparation47
- In this Chapter47
- Warnings and Notes48
- System Specifications49
- Power Consumption55
- Site Preparation55
- Table 25 System Component Power Consumption Values in Watts55
- Operating Requirements56
- Table 26 7750 SR-A Hardware for AC or DC Operational Requirements56
- Equipment Rack57
- Safety Considerations61
- Safety Standards/Compliance Agency Certifications68
- Table 32 Compliance Certifications68
Installing the 7750 SR-A Chassis71
- In this Chapter71
- Unpacking the Chassis72
  - Unpacking Precautions72
- Installation Preparation and Precautions75
- Installing the 7750 SR-A Chassis75
- Installing a 7750 SR-A Chassis Horizontally in a Rack77
- Chassis Ground Wiring85
- Installing the Wire-Form Cable Guides89
- Figure 25 Wire-Form Cable Guides89
Installing Psus91
- In this Chapter91
- Warnings and Notes92
- Installing Psus93
- Installing, Wiring, and Connecting an AC PSU94
- Installing, Wiring, and Connecting a -48 VDC PSU98
Installing Components107
- In this Chapter107
- Warnings and Notes108
- Installing a Fan Tray109
- Table 47 Fan Tray Installation Features109
- Installing Components109
- Figure 35 Installing the Fan Tray (7750 SR-A4)109
- Installing the Internal CF Card on the CPM-A111
- Table 48 CF Installation Features111
- Figure 36 Location of Internal CF Card on CPM-A111
- Installing the CPM-A112
- Table 49 CPM-A Positions in the SR-A Chassis112
- Figure 37 Installing a CPM-A (7750 SR-A4)112
- Table 50 CPM-A Installation Features113
- Installing the IOM-A114
- Table 51 Installing an IOM-A Features114
- Figure 38 Installing an IOM-A114
- Installing MDA-A and MDA-Axp Cards116
- Figure 39 Installing an MDA-A (7750 SR-A4)116
- Table 52 MDA-A Installation Features117
- Figure 40 Installing an MDA-A (7750 SR-A8)117
- Installing an SFP, SFP+, CSFP, CFP, or QSFP on an MDA-A or MDA-Axp Card119
- Managing Cable Connections to MDA-A and MDA-Axp Cards120
  - Ethernet and Copper Wire Cables120
  - Fiber Cables121
  - Alarm Port Connections121
Powering Up, Initializing, and Configuring123
- In this Chapter123
- Compact Flash Card124
- Figure 41 Files on the Compact Flash124
- Powering Up, Initializing, and Configuring125
- Powering up the 7750 SR-A126
  - Power-Up126
  - Component LED Verification127
Powering Up, Initializing, and Configuring128
- Establishing Router Management Connections128
- Configuring Parameters131
  - Configuring Chassis Slot and IOM-A Parameters131
  - Configuring MDA-A Parameters131
    - Example133
- Troubleshooting Initial Startup134
Appendix A: Connectors and Leds137
- In this Chapter137
Appendix A: Connectors and Leds138
- 7750 SR-A Chassis Indicators138
- PSU Leds and Connectors138
Appendix A: Connectors and Leds139
- Figure 45 7750 SR-A -48 VDC PSU139
- Fan Tray Leds140
- Table 56 7750 SR-A -48 VDC PSU Description140
- Figure 46 7750 SR-A Fan Tray Leds141
- Table 57 7750 SR-A Fan Tray LED Descriptions141
- 7750 SR-A Module Leds and Connectors142
  - CPM-A Leds and Connectors142
  - Table 58 7750 SR-A CPM-A Connector and LED Descriptions142
Appendix B: MDA-A and MDA-Axp Card Descriptions142
- Figure 47 7750 SR-A CPM-A Features142
- IOM-A Leds146
- Table 59 7750 SR-A IOM LED Descriptions146
- Figure 48 IOM-A Leds146
Appendix B: MDA-A and MDA-Axp Card Descriptions147
- In this Chapter147
- 1-Port 100Gige CFP MDA-Axp Overview148
Appendix B: MDA-A and MDA-Axp Card Descriptions149
- 2-Port 10Gige SFP+ and 12-Port 1Gige SFP Combo MDA-A Overview151
- 4-Port 10Gige SFP+ MDA-A Overview154
- 6-Port 10Gige SFP+ and 1-Port 40Gige QSFP+ Combo MDA-Axp157
- 10-Port 10Gige SFP+ MDA-Axp Overview160
- 20-Port 10/100/1000 TX RJ-45 MDA-A Overview163
- 44-Port 1Gige CSFP/SFP MDA-A Overview166
Appendix C: Field-Replaceable Units171
- In this Chapter171
- Removing and Replacing a PSU172
Appendix C: Field-Replaceable Units173
- Figure 56 Removing an AC PSU (7750 SR-A4)174
- Figure 57 Removing an AC PSU (7750 SR-A8)174
Appendix C: Field-Replaceable Units175
- Replacing an AC PSU175
- Table 88 AC PSU Removal Features175
- Figure 58 Replacing an AC PSU (7750 SR-A4)176
- Figure 59 Replacing an AC PSU (7750 SR-A8)176
- 7750 SR-A -48 VDC PSU177
- Table 89 AC PSU Replacement Features177
- Figure 60 Removing a -48 VDC PSU (7750 SR-A4)178
- Removing a -48 VDC PSU178
- Figure 61 Removing a -48 VDC PSU (7750 SR-A8)179
- Table 90 -48 VDC PSU Removal Features179
- Figure 62 -48 VDC Ground and Power Connectors180
- Table 91 -48 VDC Ground and Power Connection Descriptions180
- Figure 63 Replacing a -48 VDC PSU (7750 SR-A4)181
- Replacing a -48 VDC PSU181
- Figure 64 Replacing a -48 VDC PSU (7750 SR-A8)182
- Table 92 -48 VDC PSU Replacement Features182
- Figure 65 -48 VDC Ground and Power Connection183
- Table 93 -48 VDC Ground and Power Connection Descriptions183
- Removing and Replacing a Fan Tray185
  - Warnings and Notes185
  - Removing a Fan Tray186
  - Table 94 Fan Tray Removal Features186
  - Figure 66 Removing the Fan Tray (7750 SR-A4)186
  - Replacing a Fan Tray187
  - Table 95 Fan Tray Replacement Features187
  - Figure 67 Replacing the Fan Tray (7750 SR-A4)187
- Removing and Replacing an Air Filter189
  - Air Filter Routine Maintenance189
  - Removing the Air Filter189
  - Replacing the Air Filter190
  - Table 96 Air Filter Removal Features190
  - Figure 68 Removing the Air Filter Carrier (Showing 7750 SR-A4)190
  - Table 97 Air Filter Replacement Features191
  - Figure 69 Replacing the Air Filter Carrier (Showing 7750 SR-A4)191
- Removing and Replacing a CPM-A192
  - Warnings and Notes192
  - Removing a CPM-A193
  - Table 98 Removing a CPM-A Features193
  - Figure 70 Removing a CPM-A193
  - Replacing a CPM-A194
  - Table 99 Replacing a CPM-A Features194
  - Figure 71 Replacing a CPM-A194
  - Replacing the Internal Compact Flash Card on the CPM-A195
  - Table 100 Replacing a CPM-A Internal CF Card Features196
  - Figure 72 Location of Internal CF Card on CPM-A196
- Removing and Replacing an IOM-A198
  - Warnings and Notes198
  - Shutting down and Modifying an IOM-A Configuration199
  - Removing an IOM-A200
  - Table 101 Removing an IOM-A Features201
  - Figure 73 Removing an IOM-A201
  - Replacing an IOM-A202
  - Table 102 Replacing an IOM-A Features202
  - Figure 74 Replacing an IOM-A202
- Removing and Replacing an MDA-A or MDA-Axp Card204
  - Warnings and Notes204
  - Changing the MDA-A Configuration205
  - Removing an MDA-A206
  - Table 103 Removing an MDA-A Features206
  - Figure 75 Removing an MDA-A206
  - Replacing an MDA-A207
  - Table 104 Replacing an MDA-A Features207
  - Figure 76 Installing an MDA-A207
- Removing and Replacing an Impedance Panel209
Appendix D: CPM-A Pinout Assignments211
- In this Chapter211
Appendix D: CPM-A Pinout Assignments212
- CPM-A Port Types212
Appendix D: CPM-A Pinout Assignments215
- Management Port Pinouts215
- Table 108 10/100Mbs Ethernet Management Port Pinouts-RJ-45 Female215
- Table 109 1000Mbs Ethernet Management Port Pinouts-RJ-45 Female215
Appendix E: Pluggable Transceivers221
- In this Chapter221
- Warnings and Notes222
- Preparation223
  - Locking Mechanisms223
Appendix E: Pluggable Transceivers223
- Installation and Replacement of Pluggable Transceivers224

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