Status Indicators
A.1 Supervisor Module
While the front panel of each switch can house two supervisors, switch operations require only one. Supervisors display switch component status and contain Ethernet management and console ports.
A.1.1 Supervisor Indicators: 7500E-SUP/7500-SUP2
The supervisor provides one serial console port, two Ethernet management ports, two USB ports, and one clock input port. Supervisor activity is reported by LEDs in the upper left corner. Four LEDs located left of the input ports report status of other switch components.
Figure A-1: Supervisor 7500E-SUP
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1
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Status LED
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5
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Fan module status LED
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9
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Active LED
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2
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USB ports
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6
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Fabric module status LED
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3
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Ethernet management ports
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7
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Linecard status LED
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4
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Serial console port
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8
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Power supply status LED
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Figure A-2: Supervisor 7500-SUP 2
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1
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Status LED
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5
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Clock input port (optional)
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9
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Power supply status LED
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2
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USB ports
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6
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Fan module status LED
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10
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Active LED
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3
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Ethernet management ports
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7
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Fabric module status LED
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4
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Serial console port
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8
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Linecard status LED
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Figure A-3: Supervisor 7500E-SUP
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1
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Status LED
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5
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Clock input port (optional)
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9
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Power supply status LED
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2
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USB ports
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6
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Fan module status LED
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10
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Active LED
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3
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Ethernet management ports
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7
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Fabric module status LED
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4
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Serial console port
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8
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Linecard status LED
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Supervisor Activity Status LEDs
The Status and Active LEDs are located on the left side of the Supervisor Module. Table A-1 interprets the states of these two LEDs.
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LED Name
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LED State
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Supervisor State
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Status
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Off
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No power, failed, or improperly inserted.
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Green
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Operating normally.
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Red
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Supervisor failed.
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Active
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Off
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Not active.
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Green
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Active and controlling the switch.
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Component Activity Status LEDs
LEDs located below the vents and left of the input ports display summary indicators for power supplies, fabric modules, fans, and line cards. Table A-2 interprets the states of these indicators. When error conditions are indicated, refer to LEDs on the specified modules to determine the condition’s source.
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LED Name
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LED State
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Module State
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Power Supply,
Line Card Fabric Module Fans |
Off
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No modules are present or powered.
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Green
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All powered modules are operating normally.
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Red
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One or more components failed.
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A.2 Line Card Module Indicators
Each line card module provides one status LED plus LEDs for each port on the card. The figures in Appendix E indicate the location of the LEDs on each line card.
Figure A-4: Line card Status LED
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1
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Status LED
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4
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QSFP port 2 LEDs
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2
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QSFP port 4 LEDs
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5
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QSFP port 1 LEDs
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3
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QSFP port 3 LEDs
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6
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10G / 40G /100G QSFP port LEDs
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Table A-3 interprets the states of the status LED.
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LED State
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Status
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Off
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Line card not inserted.
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Green
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Line card operating normally.
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Yellow
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Line card administratively shut down.
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Red
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Line card has failed.
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The line card provides LEDs for each port module socket:
• Each LED corresponds to a module.
• A set of four LEDs correspond to each module. When the module is programmed as a 40G port, the first LED in the set reports status. When the module is programmed as four 10G or 100G ports, each port is assigned to an LED within the set.
Table A-4 interprets the port LED states.
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LED State
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Status
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Off
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Port link is down.
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Green
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Port link is up.
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Yellow
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Port is disabled in software.
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A.3 Fabric Status Indicators
Fabric Status LEDs are on fan-fabric modules. Appendix D displays the position of these LEDs on the rear of each switch. Figure A-5 displays fan status and fabric status LEDs on the switch.
Note Gen 1 Fabric modules are not supported.
Figure A-5: 7504N (left) and 7508N fan status and fabric status LEDs
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1
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Fan status LED
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3
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Fabric status LED
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2
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Fabric status LED
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4
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Fan status LED
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Figure A-6: 7512N (left) and 7516N fan status and fabric status LEDs
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1
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Fabric status LED
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2
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Fan status LED
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Table A-5 interprets the states of the fan and fabric status LED.
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LED State
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Status
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Off
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Module inserted, but status is unknown.
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Green
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Module operating normally
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Red
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Module failed
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A.4 Power Supply Status Indicators
• PWR-3KT-AC RED
• PWR-2700-DC-R
• PWR-3K-DC-RED
The power supply LEDs are on the power supply modules.The position of the LEDs are on the rear of each switch. Figure A-7 displays all the power supply modules supported on the 7500N.
Figure A-7: 7500N power supplies
Note The LEDs for the power supplies with three-LED status indicators are:
DC Good
Fault and
Vin Good
from top to bottom as shown above.
DC Good
Fault and
Vin Good
from top to bottom as shown above.
Table A-6 interprets the power supply setup for LED status indicators.
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Power Supply
State |
LED
Name |
PWR-3KT-AC-Red
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PWR-2700-DC-R
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PWR-3K-DC-Red
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Input power present
Normal Operation |
DC Good
Fault Vin Good |
Green
Off Green |
Green
Off Green |
Green
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Input power present
Main output off |
DC Good
Fault Vin Good |
Off
Off Green |
Off
Off Green |
Blinking Green
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Input power present
Power Supply Fault |
DC Good
Fault Vin Good |
Off
Blinking Amber Green |
Off
Blinking Amber Green |
Blinking Amber, 1 sec on, 1 sec off
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No Input Power
Supply installed in chassis |
DC Good
Fault Vin Good |
Off
Off Off |
Off
Off Off |
Off
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Input power present
Supply not seated in chassis |
DC Good
Fault Vin Good |
Off
Off Blinking Green |
Off
Off Off |
Blinking Amber, 0.5 sec on/off
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