Management and Configuration Guide K/KA/KB.15.15

Example 126 Example of output from test cable-diagnostics command
HP Switch # test cable-diagnostics a23-a24
The ‘test cable-diagnostics’ command will cause a loss of link and will take a few seconds per
interface to complete.
Continue (Y/N)? y
MDI Cable Distance Pair Pair MDI
Port Pair Status to Fault Skew Polarity Mode
----- ----- ---------- --------- ----- --------- ------
A23 1-2 OK 0 m 6 ns Normal MDIX
3-6 OK 0 m 0 ns Normal
4-5 OK 0 m 6 ns Normal MDIX
7-8 OK 0 m 6 ns Normal
A24 1-2 Short 2 m
3-6 Impedance 3 m
4-5 Impedance 3 m
7-8 Open 1 m
Example 127 Example of copper cable diagnostic test results
HP Switch# show interfaces transceiver a23 detail
Transceiver in A23
Interface Index : 23
Type : 1000T-sfp
Model : J8177C
Connector Type : RJ45
Wavelength : n/a
Transfer Distance : 100m (copper),
Diagnostic Support : VCT
Serial Number : US051HF099
Link Status : Up
Speed : 1000
Duplex : Full
MDI Cable Distance Pair Pair MDI
Port Pair Status to Fault Skew Polarity Mode
----- ----- ---------- --------- ----- --------- -----
A23 1-2 OK 0 m 6 ns Normal MDIX
3-6 OK 0 m 0 ns Normal
4-5 OK 0 m 6 ns Normal MDIX
7-8 OK 0 m 6 ns Normal
Test Last Run : Fri Apr 22 20:33:23 2011
Table 31 General transceiver information
DescriptionParameter
The switch interface numberInterface Index
Pluggable transceiver typeTransceiver-type
Pluggable transceiver modelTransceiver model
Type of connector of the transceiverConnector-type
For an optical transceiver: the central wavelength of the laser sent, in nm. If the
transceiver supports multiple wavelengths, the values will be separated by a
comma. An electrical transceiver value is displayed as N/A.
Wavelength
Link-length supported by the transceiver in meters. The corresponding transfer
medium is shown in brackets following the transfer distance value, for example,
Transfer Distance
456 Troubleshooting