Basic Instructions for the Use of This Product2. The contents described in this document may be changed without prior notice. For thelatest version, please refer to the Panasonic website.3. For any question, please contact the retailer where you purchased the product.61. Please note that Panasonic shall not bear any liability whatsoever for any damages(this shall include lost earnings, lost opportunities, etc. but this is not restricted to thesethings) which were generated in relation to damages caused by operations and usage,or the inability to use this Switching Hub, whereby the customer does not followthis Installation Guide. For inspection and/or repair, consult the retailer. Use commercial power supply from a wall socket, which is close and easily accessible to thisSwitching Hub. Unplug the power cord when installing or moving this Switching Hub. Unplug the power cord when cleaning this Switching Hub. Use this Switching Hub within the specifications. Deviation could lead to malfunction. Do not touch the twisted pair cable modular metal terminals which are connected to RJ45connectors (twisted pair ports) or the connectors, nor place them near electrically-chargedobjects. Static electricity could lead to equipment failure. Do not put the modular plug of the connected twisted pair cable on objects that can carrystatic charge, such as carpet. Do not place it in the proximity. Static electricity could lead toequipment failure. Do not put a strong shock, including dropping, to this Switching Hub. Deviation could lead toequipment failure. Before connecting a console cable to the console port, discharge static electricity, for exampleby touching metal appliance (do not discharge by touching this Switching Hub). Do not store and/or use this Switching Hub in the environment with the characteristics listedbelow.(Store and/or use this Switching Hub in the environment in accordance with thespecification.)- High humidity. Possible spilled liquid (water).- Dusty. Possible static charge (such as carpet).- Under direct sunlight.- Possible condensation. High/low temperature exceeding the specifications environment.- Strong vibration and/or strong shock. Please use this Switching Hub in place where ambient temperature is from 0 to 60°C.Failure to satisfy the conditions above may result in a fire, electric shock, equipment failure,and/or malfunction. Such events are not covered by the warranty. Do not block the ventilator of the Switching Hub.Blocked ventilator induces the heat accumulation inside, causing equipment failure and/ormalfunction. If any module other than the optional SFP extension modules(PN54022/PN54024) is insertedinto the SFP extension slot,operation is not guaranteed.For the latest information aboutcompatible SFP extension modules,check our website. When using two Switching Hubs, do not stack them. When you place them side by side, allowfor a space of 20 mm or more between them.