show diagnostics cable
ExtremeWare 7.7 Command Reference Guide
1271
show diagnostics cable
show diagnostics cable {ports [all| <portlist>] mode [auto | both |
manual]detail}
Description
Displays the results of the last
run cable diagnostics
ports command.
Default
N/A
Syntax Description
Usage Guidelines
The results of the command display in tabular format:
Port
—The port number tested
Pair
—Each Ethernet cable consists of four copper pairs of Unshielded Twisted-Pair (UTP). To have a
successful link, two of the four cables must have a status of
Terminated
and even lengths. The pairs are
labeled A through D. The output shows the test results of each pair.
Length
—The length of the cable. All pairs should have the same length. An uneven length can indicate
a kink in the cable, or a broken connection.
Status
—The result of the test. The status of
Terminated
indicates a successful completion. The status of
Open or Short
indicates a failure in the cable.
Examples
The following example tests the Ethernet cable inserted into port 1:
# run diagnostics cable ports 1
Cable Diagnostics has completed, to view results enter
show port <port list> cable diagnostics
# show port 1 cable diagnostics
Port
Pair
Length
Status
1
Pair A
3 meters
Terminated
Pair B
2 meters
Terminated
Pair C
1 meters
Open or Short
Pair D
1 meters
Open or Short
The following example shows none of the twisted pairs terminate successfully at port 1:
portlist
Runs cable diagnostics for one or more port numbers.
all
Runs cable diagnostics for all ports.
Summary of Contents for ExtremeWare 7.7
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Page 404: ...404 ExtremeWare 7 7 Command Reference Guide VLAN Commands ...
Page 472: ...472 ExtremeWare 7 7 Command Reference Guide QoS Commands ...
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Page 1436: ...1436 ExtremeWare 7 7 Command Reference Guide Wireless Commands ...
Page 1490: ...1490 ExtremeWare 7 7 Command Reference Guide EAPS Commands ...
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Page 1774: ...1774 ExtremeWare 7 7 Command Reference Guide IP Unicast Commands ...
Page 1914: ...1914 ExtremeWare 7 7 Command Reference Guide IGP Commands ...
Page 2000: ...2000 ExtremeWare 7 7 Command Reference Guide BGP Commands i Series Switches Only ...
Page 2140: ...2140 ExtremeWare 7 7 Command Reference Guide IPX Commands i Series Platforms Only ...
Page 2156: ...2156 ExtremeWare 7 7 Command Reference Guide ARM Commands BlackDiamond Switch Only ...
Page 2168: ...2168 ExtremeWare 7 7 Command Reference Guide Remote Connect Commands ...
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Page 2446: ...2446 ExtremeWare 7 7 Command Reference Guide LLDP Commands ...
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