
Chapter 11
| Interface Commands
Cable Diagnostics
– 418 –
Example
Console#show interfaces transceiver-threshold ethernet 1/25
Information of Eth 1/25
DDM Thresholds
Transceiver-monitor : Disabled
Transceiver-threshold-auto : Enabled
Low Alarm Low Warning High Warning High Alarm
----------- ------------ ------------ ------------ ------------
Temperature(Celsius) -25.00 -20.00 90.00 95.00
Voltage(Volts) 2.80 2.90 3.70 3.80
Current(mA) 2.00 3.00 80.00 90.00
TxPower(dBm) -7.96 -6.99 1.00 2.01
RxPower(dBm) -20.00 -19.00 0.00 1.00
Console#
Cable Diagnostics
test cable-diagnostics
This command performs cable diagnostics on the specified port to diagnose any
cable faults (short, open, etc.) and report the cable length.
Syntax
test cable-diagnostics interface
interface
interface
ethernet
unit
/
port
unit
- Unit identifier. (Range: 1)
port
- Port number. (ECS4120-28F/28F-I: 21-24,
Other models: 1-24/48)
Command Mode
Privileged Exec
Command Usage
Command Usage
◆
Cable diagnostics detects per pair cable faults (accuracy
≤
±
5 meters.
■
Interpair shorts
■
Intrapair shorts
■
Open pairs
◆
Detects the location of cable faults.
◆
Detects good cable (accuracy
≤
±
10 meters).
■
Detects the length of good cables on a per pair basis
◆
Cable diagnostics can only be performed on twisted-pair media.
Содержание ECS4120-28F
Страница 36: ...Contents 36...
Страница 38: ...Figures 38...
Страница 46: ...Section I Getting Started 46...
Страница 70: ...Chapter 1 Initial Switch Configuration Setting the System Clock 70...
Страница 86: ...Chapter 2 Using the Command Line Interface CLI Command Groups 86...
Страница 202: ...Chapter 5 SNMP Commands Additional Trap Commands 202...
Страница 210: ...Chapter 6 Remote Monitoring Commands 210...
Страница 216: ...Chapter 7 Flow Sampling Commands 216...
Страница 278: ...Chapter 8 Authentication Commands PPPoE Intermediate Agent 278...
Страница 360: ...Chapter 9 General Security Measures Port based Traffic Segmentation 360...
Страница 384: ...Chapter 10 Access Control Lists ACL Information 384...
Страница 424: ...Chapter 11 Interface Commands Power Savings 424...
Страница 446: ...Chapter 13 Power over Ethernet Commands 446...
Страница 456: ...Chapter 14 Port Mirroring Commands RSPAN Mirroring Commands 456...
Страница 488: ...Chapter 17 UniDirectional Link Detection Commands 488...
Страница 494: ...Chapter 18 Address Table Commands 494...
Страница 554: ...Chapter 20 ERPS Commands 554...
Страница 620: ...Chapter 22 Class of Service Commands Priority Commands Layer 3 and 4 620...
Страница 638: ...Chapter 23 Quality of Service Commands 638...
Страница 772: ...Chapter 25 LLDP Commands 772...
Страница 814: ...Chapter 26 CFM Commands Delay Measure Operations 814...
Страница 826: ...Chapter 27 OAM Commands 826 1 1 00 12 CF 6A 07 F6 000084 Enabled Disabled Enabled Disabled Console...
Страница 836: ...Chapter 28 Domain Name Service Commands 836...
Страница 848: ...Chapter 29 DHCP Commands DHCP Relay Option 82 848...
Страница 902: ...Section III Appendices 902...
Страница 916: ...Glossary 916...
Страница 926: ...CLI Commands 926...
Страница 937: ......
Страница 938: ...E092017 CS R02...