HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 2 - LAN Switching Co - Page 46
Description, Examples, If the cable connection has a fault
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Description Use virtual-cable-test to test the cable connection of an Ethernet interface. The test results are displayed within five seconds. The following cable states are available: • Normal-The cable is in good condition. • Abnormal-Any fault other than a short or open circuit is detected. If the cable connection is normal, the displayed cable length is the total length of the cable. If the cable connection has a fault, it is the length from the local port to the faulty point. If the link of an Ethernet interface is up, testing its cable connection will cause the link to go down and then up. The test result is for reference only. The cable length detection error is up to 5 m (about 16 ft). If a test item is not available, a hyphen (-) is displayed. NOTE: Fiber ports and internal Ethernet ports do not support this command. Examples # Test the cable connection of GigabitEthernet 1/0/1. system-view [Sysname] interface gigabitethernet 1/0/1 [Sysname-GigabitEthernet1/0/1] virtual-cable-test Cable status: normal, 1 metres Pair Impedance mismatch: Pair skew: - ns Pair swap: Pair polarity: Insertion loss: - db Return loss: - db Near-end crosstalk: - db NOTE: The Pair Impedance mismatch field has the following values: • Yes-Match • No-Mismatch 38