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REVIEW DRAFT—CISCO CONFIDENTIAL
8-25
Cisco 7500 Series Installation and Configuration Guide
OL-5008-03 B0
Chapter 8 Troubleshooting a Cisco 7500 Series Router
Using Cisco 7500 Series System LEDs
In systems with a single DC-input power supply, and in systems with redundant power, when both power
supplies are shutting down, the out fail LED goes on momentarily as the system ramps down, but goes
out when the power supply has completely shut down. In systems with redundant power where one power
supply is still active, the out fail LED on the failed power supply will remain on (powered by the active
supply).
The AC-input and DC-input power supplies are self-monitoring. Each supply monitors its own
temperature and internal voltages. (For detailed descriptions of the show commands that display
temperature and voltage information, see the “Cisco 7507 and Cisco 7507-MX Environmental show
Command Examples” section on page 2-29.)
Cisco 7513, Cisco 7513-MX, and Cisco 7576 Power Supply LEDs
There are two types of power supplies for the Cisco 7513, Cisco 7513-MX, and Cisco 7576: AC-input
and DC-input. Each power supply contains the following LEDs: AC (or DC) OK, fan OK, and output
fail. Figure 8-11 shows the AC-input power LEDs, and Figure 8-12 shows the DC-input power LEDs.
Figure 8-11 AC-Input Power Supply LEDs (Cisco 7513, Cisco 7513-MX, and Cisco 7576)
The green AC (or DC) OK LED indicates that the power supply is turned on and is receiving input power.
The red output fail LED is normally off but goes on if the power supply shuts down for any of the
following reasons:
• Power supply DC-output section failure, which could be caused by loss of AC power (input line
failure or operator turned off system power) or an actual failure in the power supply
• Power supply shutdown initiated by the power supply because it detected an out-of-tolerance
temperature or voltage condition in the power supply
The green fan OK LED is on to indicate the fan in the power supply is operating properly. This LED is
useful in noisy environments when you are troubleshooting a potential power supply problem and it is
difficult to differentiate the sound of one power supply’s fan from another.
H5264
Power supply
front panel
Captive
installation
screw
Power
switch
AC power
receptacle
LEDs
0
I
AC
OK
FAN
OK
OUTPUT
FAIL
AC
OK
FAN
OK
O
U
TPU
T
FAIL
- Configuration Guide 1
- CONTENTS 3
- Contents 10
- OL-5008-03 B0 10
- Audience 11
- Organization 11
- Related Documentation 12
- Conventions 13
- Safety Warnings 15
- Attention 16
- Figyelem! 16
- Avvertenza 16
- Advarsel 17
- ¡Advertencia! 17
- Varning! 17
- Restricted Area Warning 18
- Obtaining Documentation 19
- Documentation Feedback 20
- Submitting a Service Request 21
- Terms and Acronyms 24
- Cisco 7505 Overview 25
- Cisco 7505 CyBus Backplane 26
- Cisco 7505 Overview 27
- Cisco 7507 Overview 28
- Cisco 7507 Overview 29
- Cisco 7507-MX Overview 33
- Cisco 7507-MX Overview 34
- Cisco 7513 Overview 37
- Front-panel 38
- Cisco 7513 Overview 39
- 012345RSPRSP89101112 40
- Cisco 7513-MX Overview 42
- Cisco 7513-MX Overview 44
- Cisco 7576 Overview 47
- Cisco 7576 Overview 49
- Router A 50
- Router B 50
- CyBus Slot Number Assignments 51
- RSP2—Cisco 7505 53
- Common RSP Hardware Features 64
- RSP NVRAM 65
- RSP Flash Memory 65
- RSP SRAM 65
- RSP EEPROM 66
- RSP Auxiliary Port Pinout 67
- Arbiter Overview 72
- Chassis Interface Overview 72
- Cisco 7505 Fan Tray Assembly 74
- Cisco 7576) 75
- Interface Processor Overview 76
- System Software Overview 78
- Preparing for Installation 79
- Safety Recommendations 80
- Chassis Lifting Guidelines 81
- Safety Recommendations 82
- Plant Wiring Guidelines 88
- Plant Wiring Guidelines 89
- Top view of router 91
- Front of 92
- Power supplies 93
- Card cage 93
- System blower 93
- Intake air Exhaust air 93
- Noninterface processor end 95
- Interface processor end 95
- Cisco 7500 Series 100
- 7507-MX) 103
- Installing the Cisco 7505 118
- Installing the Cisco 7505 119
- Remove a module as follows: 120
- Install a module as follows: 120
- Rack-Mounting the Cisco7505 121
- Install the cable management 123
- Captive installation screws 131
- Cisco 7513 and Cisco 7576 134
- Unpacking Instructions 134
- Captive screws 142
- Power Supplies 143
- What Do I Do Now? 147
- What Do I Do Now? 148
- Recovering a Lost Password 157
- Configuring Interfaces 163
- Checking the Settings 167
- Copying Files to Flash Memory 173
- Removing/replacing 187
- Chassis interface 193
- Standoff 193
- AC receptacle 195
- On/off switch 195
- Cable retention 195
- DC OK LED 195
- Cisco 7507-MX 201
- AC POWER 203
- Guide tab slides up 207
- • LED board (MAS-7KLED=) 209
- Black (ground) 215
- Purple (+24V) 215
- Blower power connection 215
- Backplane 215
- Cisco 7576 Router 219
- Cisco7576 220
- Cage Assembly 223
- Exchanging the EEPROM Devices 225
- Blower module 228
- Chassis Cover Panels 229
- Backplane Maintenance Cover 231
- 7513-MX, and Cisco7576 232
- Troubleshooting Overview 240
- Cisco 7513-MX, and Cisco7576 250
- Subsystem 253
- Troubleshooting the RSP 256
- Using the RSP LEDs 259
- Using the Power Supply LEDs 261
- For the DC-input 264
- Removing RSP2 SIMMs 267
- Installing New RSP2 SIMMs 268
- Removing RSP4 and RSP8 DIMMs 273
- Configuration Bit Meanings 277
- Bits 0–3 278
- Configuration Bit Meanings 279
- Bit 10 and Bit 14 280
- Bit 11 and Bit 12 280
- Numerics 285
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