D-Link CLI Reference Guide
Page 194
Section 15. 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:
unit/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 meter.
Examples
The following example results in a report on the cable attached to port 1/1.
Console#
test copper-port tdr
1/1
Cable is open at 64 meters
Console#
test copper-port tdr
2/1
Can’t perform this test on fiber ports
Содержание DXS-3227 - xStack Switch - Stackable
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Страница 170: ...IP Routing Commands Page 169 Ethernet 1 Specifies the interface through which the specified network can be reached ...
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Страница 465: ...D Link CLI Reference Guide Page 464 Trap frequency 100 Status Single host locked Violations since last trap 9 ...
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