Panasonic PN23129A Operation Manual

Also see for PN23129A: Operation manual Operation manual

Contents

Panasonic PN23129A Operation Manual Manual pdf 61 page image

61TTrroouubblleesshhoooottiinnggIf you find any problem, please take the following steps to check. LED indicators The power LED (POWER) is not lit. Is the power cord connected? Please confirm that the power cord is securely connected to the power port. The Link/Transmission LED (LINK/ACT.) is not lit. Is the cable correctly connected to the target port? Is each terminal connected to the target port compliant with its specifications? Auto-negotiation may have failed. Set the port of this switch or the terminal to half-duplex mode. Communications fail. Communications with all ports are down or slow. Are the communication speed and mode settings correct? If the communication mode signal cannot be properly obtained, apply half-duplex mode.Switch the communication mode of the connection target to half-duplex mode.Do not fix the communication mode of the connected terminal to full-duplex mode. Isn't the bandwidth usage rate of the backbone network to which this switch is connected excessivelyhigh, or a loop occurring? Try separating this switch from the backbone network. PoE power supply is impossible (PoE supporting models only) The PoE power supply LED (PoE) is not lit. Is the cable appropriate to use and connected to a port that supports PoE power supply? Is the PoE-ready terminal connected to the port compliant with the IEEE 802.3af standard?

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