Cisco 300 Series User Manual

PHY Diagnostics Commands
721 OL-32830-01 Command Line Interface Reference Guide
35
35.3 show cable-diagnostics cable-length
To display the estimated copper cable length attached to all ports or to a specific
port, use the show cable-diagnostics cable-length Privileged EXEC mode
command.
Syntax
show cable-diagnostics cable-length
[interface interface-id ]
Parameters
• interface-id—(Optional) Specify an Ethernet port ID.
Command Mode
Privileged EXEC mode
User Guidelines
The port must be active and working at 100 M or 1000 M.
Example
The following example displays the estimated copper cable length attached to all
ports.
gi1 3
Test has not been performed
gi1 4
Open 64 13:32:00 23 July 2010
switchxxxxxx#
show cable-diagnostics cable-length
Port
----
gi11
gi12
gi13
Length [meters]
-----------------
< 50
Copper not active
110-140

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