Show Cable-Diagnostics Tdr - Cisco 300 Series Cli Manual
Small business 300 series managed switches
command line interface guide release 1.3
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PHY Diagnostics Commands
78-21075-01 Command Line Interface Reference Guide
24.2
show cable-diagnostics tdr
Use the show cable-diagnostics tdr EXEC mode command to display information
on the last Time Domain Reflectometry (TDR) test performed on all copper ports
or on a specific copper port.
Syntax
show cable-diagnostics tdr
Parameters
•
interface-id—Specify an Ethernet port ID.
•
detailed—Displays information for non-present ports in addition to present
ports.
Default Configuration
All ports are displayed. If detailed is not used, only present ports are displayed.
Command Mode
EXEC mode
User Guidelines
The maximum length of cable for the TDR test is 120 meters.
Example
The following example displays information on the last TDR test performed on all
copper ports.
switchxxxxxx#
show cable-diagnostics tdr
Port
Result
----
--------
1
OK
gi
2
Short
gi
3
Test has not been performed
gi
4
Open
gi
5
Fiber
gi
[interface interface-id | detailed
Length
Date
[meters]
------------------
------------
50
13:32:00 23 July 2010
64
13:32:00 23 July 2010
-
-
24
]
371
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