Cisco 300 Series User Manual

PHY Diagnostics Commands
OL-32830-01 Command Line Interface Reference Guide 720
35
Example 2 - Test the copper cables attached to port 2 (a combo port with fiber
active).
switchxxxxxx# test cable-diagnostics tdr interface gi1 2
Fiber ports are not supported
35.2 show cable-diagnostics tdr
To display information on the last Time Domain Reflectometry (TDR) test
performed on all copper ports or on a specific copper port, use the show
cable-diagnostics tdr Privileged EXEC mode command.
Syntax
show cable-diagnostics tdr
[interface interface-id ]
Parameters
• interface-id—(Optional) Specify an Ethernet port ID.
Command Mode
Privileged 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
--------
Length [meters]
------------
Date
------------------
gi1
1
OK
gi1 2
Short 50 13:32:00 23 July 2010

Cisco 300 Series Specifications

General

Model	Cisco 300 Series
Category	Switch
Dimensions	Varies by model
Weight	Varies by model
Power over Ethernet (PoE)	Available on select models
Management	Web-based GUI, SNMP, CLI
VLANs	Up to 256
Security Features	ACLs, 802.1X, Port Security
Humidity	10% to 90% non-condensing
Ports	8, 16, 24, 48