Dell B-FCX Digital optical monitoring, Syntax show cable-diag tdr port-num, This Line Displays

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Troubleshooting network connections

3

The output from this command appears below.

PowerConnect# show cable-diag tdr 1/1/1

Remote pair

Pair status

Port

Speed Local pair

Pair Length

---------

----- ----------

-----------

-----------

-----------

1/1/1

1000M Pair A

<50M

Pair B

Terminated

 

Pair B

<50M

Pair A

Terminated

 

Pair C

<50M

Pair D

Terminated

 

Pair D

<50M

Pair C

Terminated

Syntax: show cable-diag tdr <port-num>

Table 20 defines the fields shown in this output.

TABLE 20

Cable statistics

 

 

This Line...

Displays...

 

 

Port

The port that was tested.

 

 

Speed

The current line speed of the port.

 

 

Local pair

The local link name.

 

 

Pair Length

The cable length when terminated, or the distance to the point of fault when the line

 

is not up.

 

 

Remote pair

The remote link name.

 

 

Pair status

The status of the link. This field displays one of the following:

 

Terminated: The link is up.

 

Shorted: A short is detected in the cable.

 

Open: An opening is detected in the cable.

 

ImpedMis: The impedance is mismatched.

 

Failed: The TDR test failed.

 

 

Digital optical monitoring

You can configure your device to monitor optical transceivers in the system, either globally or by specified port. When this feature is enabled, the system monitors the temperature and signal power levels for the optical transceivers in the specified ports. Console messages and syslog messages are sent when optical operating conditions fall below or rise above the XFP, SFP, and SFP+ manufacturer’s recommended thresholds. For more information about digital optical monitoring, refer to PowerConnect B-FCX Series Configuration Guide.

PowerConnect B-FCX Switch Hardware Installation Guide

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Contents PowerConnect B-FCX Switch Page Contents Managing the PowerConnect B-FCX Hardware Checking Network Devices and Testing ConnectivityChapter Troubleshooting PowerConnect B-FCX Switch Hardware Installation Guide Supported hardware and software AudienceDocument conventions Text formattingCommand syntax conventions Command ParametersRelated publications Contacting Dell Getting technical help or reporting errorsPowerConnect B-FCX Switch Hardware Installation Guide Product Overview Hardware featuresPowerConnect B-FCX624s front panel Control features Hardware featuresDevice Label on required power supply PowerConnect B-FCX 10/100/1000 BASE-T ports Hardware features Out-of-band RJ45 management InterfaceSerial management interface DB9 Console port Out-of-band RJ45 management interfaceDevice Slot Slot designationsSFP interfaces Optional two-port 10 Gbps XFP uplink moduleInterface Show Media Description Optional 10Gbps XFP module is not hot-swappable Optional Four-port 1 Gbps SFP and 10 Gbps SFP+ modulesFour-port 1 Gbps SFP module status LEDs Condition StatusCable specifications for CX4 stacking ports 16/10 Gbps Ethernet CX4 stacking portsFour-port 10 Gbps SFP+ module status LEDs Port status LEDs Power status LEDs Hardware features System status LEDsState Switch StatusSFP+ Hardware features Port status LEDsSwitch Status Redundancy Power suppliesPower supply unit operation Package contents Unpacking the deviceGeneral requirements Installation precautions Installation tasksFollow all precautions when installing a Dell device Task Where to Find More Information NumberLifting precautions General precautionsPower precautions Installation precautionsInstallation location Preparing the installation sitePreparing the installation site Cabling infrastructureDesktop installation Installing the deviceRack mount installation PowerConnect B-FCX624s and PowerConnect B-FCX648s devices Connecting devices in a stackPowerConnect B-FCX Switch Hardware Installation Guide PowerConnect B-FCX624 and PowerConnect B-FCX648 devices Powering on the system Attaching a PC or terminal Wiring map for serial cable Installing and replacing a power supply unitSerial cable wiring As indicated in , some of the wires should not be connectedInstalling and replacing a power supply unit PowerConnect B-FCX Switch Hardware Installation Guide Page PowerConnect B-FCX Switch Hardware Installation Guide Page PowerConnect B-FCX Switch Hardware Installation Guide Assigning permanent passwords Checking Network Devices and Testing ConnectivityRecovering from a lost password Setting passwordsAssigning permanent passwords Enter the following command to set the super user passwordConfiguring IP addresses Syntax enable passwordDevices running Layer 2 software Devices running Layer 3 software Assigning an IP address to an Ethernet port Configuring IP addressesSyntax interface loopback num Deleting an IP addressAssigning an IP address to a virtual routing interface Syntax router-interface ve num Syntax interface ve numConnectors Connecting network devicesCable specifications Connecting to Ethernet or fast Ethernet hubsConnecting a network device to a fiber port Connecting to workstations, servers, or routersAutomatic MDI or Mdix detection Fiber Optic transceiversInstalling a transceiver All fiber optic interfaces use Class 1 lasersGigabit Optic Distance Supported for stacking Cabling a fiber optic transceiver Cleaning the fiber optic connectors Testing connectivityTesting connectivity Pinging an IP addressTesting connectivity Network connection-related LED states Desired MeaningMeaning or Action Tracing a route Troubleshooting network connectionsConfiguration notes Using Virtual Cable Testing to diagnose a cableCommand syntax Viewing the results of the cable analysisSyntax show cable-diag tdr port-num Digital optical monitoringDefines the fields shown in this output Cable statistics This Line DisplaysTroubleshooting network connections Managing temperature settings Using the temperature sensorDisplaying the temperature Changing temperature warning and shutdown levels Displaying Syslog messages for temperatureManaging temperature settings Syntax temperature warning stack-unit valueSyntax fan-threshold speed-3 mp lowest value highest value Changing the shutdown temperatureCommand Changing the temperature polling interval Displaying PowerConnect B-FCX CPU usageRemoving MAC address entries Syntax chassis poll-time stack-idvalueHardware maintenance schedule Hardware maintenance scheduleReplacing a copper or fiber optic module Removing a copper or fiber optic moduleCleaning the fiber optic connectors Cabling a fiber optic moduleReplacing a copper or fiber optic module Replacing a copper or fiber optic module Physical dimensions and weight Hardware specificationsEnvironmental considerations Operating EnvironmentStorage Temperature Storage Humidity Storage Altitude Hardware specificationsCooling system and fans Storage environmentAir Inflow Air outlet Mgmt Serial Console port pinouts Pinouts and signallingCable Type Connector Type Range metersMicrons MHz*km or Power cords AC power supply specificationsHardware specifications Cable length summary Hardware specifications Power and cooling problems Diagnosing switch indicatorsInstallation Troubleshooting chartDiagnosing switch indicators In-band accessIndustry Canada statement USA FCC CFR 47 Part 15 WarningEurope and Australia Cispr 22 Class a Warning Japan VcciKorea Japan power cordRussia Class a statementRegulatory compliance Regulatory complianceCertifications Regulatory compliance Vorsicht Devices near the input power connectors Never leave tools inside the chassis Gefahr Device PowerConnect B-FCX Switch Hardware Installation Guide