Netgear GS728TXS GS728TXS/GS752TXS Software Administration Manual - Page 259

GS752TXS and GS728TXS Smart Switches • All. Both physical interfaces and link aggregation groups are displayed. To locate an interface quickly, type the interface number (for example, 1/g5) in the Go To Interface field at the top or bottom of the table and click Go. 3. Click Apply to perform a cable test on the selected interface. The cable test can take up to 2 seconds to complete. If the port has an active link then the link is not taken down and the cable status is always 'Normal'. The command returns a cable length estimate if this feature is supported by the PHY for the current link speed. Note that if the link is down and a cable is attached to a 10/100 Ethernet adapter then the cable status can be Open or Short because some Ethernet adapters leave unused wire pairs unterminated or grounded. The following table describes the cable information displayed on the screen. Table 40. Cable information Field Port Cable Status Cable Length Failure Location Description Specifies the port that has the connected cable. Displays the cable status. • Normal. The cable is working correctly. • Open. The cable is disconnected or there is a faulty connector. • Short. There is an electrical short in the cable. • Cable Test Failed. The cable status could not be determined. The cable can in fact be working. • Unknown. The test has not been performed. The estimated length of the cable in meters. The length is displayed as a range between the shortest estimated length and the longest estimated length. Unknown is displayed if the cable length could not be determined. The Cable Length is displayed only if the cable status is Normal. The estimated distance in meters from the end of the cable to the failure location. The failure location is displayed only if the cable status is Open or Short. 259