PHY Diagnostics Commands
Page 150
Section 13. PHY Diagnostics Commands
test copper-port tdr
The
test copper-port tdr
Privileged EXEC mode command uses Time Domain Reflectometry (TDR) technology
to diagnose the quality and characteristics of a copper cable attached to a port.
Syntax
test copper-port tdr
interface
Parameters
•
interface
— A valid Ethernet port. (Full syntax:
port
)
Default Configuration
This command has no default configuration.
Command Mode
Privileged EXEC mode
User Guidelines
The port to be tested should be shut down during the test, unless it is a combination port with fiber port active.
The maximum length of the cable for the TDR test is 120 meters.
Examples
The following example results in a report on the cable attached to port 3.
Console#
test copper-port tdr
3
Cable is open at 64 meters
Console#
test copper-port tdr
3
Can’t perform this test on fiber ports
Summary of Contents for DES-3010FA
Page 1: ......
Page 91: ...Ethernet Configuration Commands Page 90 ch2 ch3 ch4 ch5 ch6 ...
Page 193: ...Radius Commands Page 192 ...
Page 318: ...D Link DES 3010FA GA PA CLI Reference Guide Page 317 ...
Page 361: ...International Offices Page 360 ...