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Replace Power Sys
tem Components
6. Arrange the cable in the cable management system to p revent the cable from dislodging
or developing stress points. Secure the cable so that it is not supporting its own weight
as it hangs to t
he floor. Place excess cable out of the way in a neatly coiled loop in the
cable management system. Placing fasteners on the loop helps to maintain its shape.
Do not let fiber-optic cable hang free from the connector. Do not
allow fastened loops of cable to dangle, which stresses the cable at
the fastening point.
Avoid bending fiber-optic cable beyond its minimum bend radius. An
arc smaller than a few inches in diameter can damage the cable and
cause problems that are difficult to diagnose.
7. Verify that the status LEDs on the PIC faceplate indicate that the SFP is functioning
correctly (there is an LED for each SFP port). For more information about the PIC LEDs,
see the M5 and M10
Internet Routers PIC Guide. You can als o verify PIC functioning
by issuing the show chassis fpc pic-status command described in “Maintain PICs
and PIC Cables” on page 76.
Replace Power System Components
For instructio
ns on replacing power system components, see the following sections:
• Replace an AC Power Supply on page 98
• Disconnect and Connect AC Power on page 101
• Replace an AC Power Cord on page 103
• Replace a DC Power Supply on page 104
• Disconnect and Connect DC Power on page 108
Replace an AC Power Supply
An AC-powered router has two load-sharing, redundant AC power supplies. Each power
supply is hot-removable and hot-insertable, as described in “Field-Replaceable Units ( FRUs)”
on page 3. When one power supply fails or is powered down, the other power supply
automatically assumes the entire electrical load for the router. For more information about
AC power supplies, see “AC Power Supply” on page 17.
98 M5 and M10 Internet Routers Hardware Guide
- M5 and M10 Internet 1
- Router s 1
- Table of Con 3
- Chapter 3 4
- Chapter 4 4
- Chapter 5 4
- Chapter 6 5
- Chapter 7 5
- Chapter 8 5
- Chapter 9 6
- Ta ble o f Con t e n ts 9
- List of Figures 11
- List of Tables 13
- List of Ta bles 14
- About This Manual 15
- Documentation Co 16
- Notes, Cautions, and Warnings 17
- List of Technical 18
- Publications 18
- Documentation Feedback 19
- How to Request Support 19
- How to Request Sup 20
- Product Overview 21
- Chapter 1 23
- Safety Requireme 24
- Chapter 2 25
- Figure 1: Front of M5 Chassis 26
- Description Va lue 27
- Packet Forwardin 28
- Routing Engine 32
- Craft Interface 34
- Power Supplies 36
- • AC Power Suppl 37
- • DC Powe r Supply on page 18 37
- AC Power Supply 37
- DC Power Supply 38
- Fan Tray 39
- Cable M anag 40
- Routing Engine So 42
- Tools for Monitor 47
- Software Upgrades 48
- Routing Engine Ar 52
- Initial Installation 55
- Rack Requirement 58
- 19 in. (48.3 cm) 59
- 17.5" 60
- 19" 60
- Fire Safety Requirements 61
- Fire Suppression 61
- Fire Suppression Equipment 61
- Power Guidelines 62
- Router Power Requirements 63
- Network Cable Spe 68
- Site Preparation Checklist 72
- Site Preparation 73
- Checklist 73
- Unpack the Router 76
- Choose Front or Ce 77
- Install the Chass 80
- Connect the Route 82
- Connect PIC Cables 83
- Connect PIC Cable 84
- Provide Power to t 85
- Power On the Router 87
- Configure the JUN 89
- OS Internet Software 89
- Procedures 93
- Maintain Packet F 96
- Maintain the Powe 98
- Maintain the Routing Engine 99
- Maintain the Rout 100
- Chapter 10 101
- Replace the Fan Tray 102
- Remove the Fan Tray 102
- Install the Fan Tray 103
- Replace Packet Fo 104
- • Remove a PIC on page 87 107
- • Install a PIC on page 89 107
- Replace a P 107
- • Issue the foll 108
- • For a qu 109
- • For a quad-wid 110
- Replace an SFP 115
- • Remove a 115
- • Install an SFP on page 96 115
- • If the PIC has 117
- Replace Power Sys 118
- • Install an AC Po 119
- ReplaceanACPowerCord 123
- Replace a DC Powe r Supply 124
- • Insert the po 127
- Replace Routing E 132
- Replace the Routing Engine 135
- • Replac 138
- Chapter 11 141
- Overview of Troub 142
- Troubleshoot Pac 144
- Troubleshoot the 145
- Power System 145
- LEDonBothSuppliesIsOff 146
- LED on O ne Supply Is Off 146
- • If it is lit 146
- Appendixes 147
- Appendix A 149
- Definition of Saf 150
- Safety Guideline 151
- Safety Guidelin e 152
- Agency Approvals 180
- Compliance State 181
- United States 182
- Appendix B 183
- Locate Component 184
- Serial Numbers 184
- Routing E 187
- Pack the Ro 188
- Pack Components f 189
- Appendix C 191
- RJ-48 Cable Pinou 192
- Ethernet 10/100 BASE-TX 195
- RJ-21 Cable Pinou 196
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