B-214 User’s Reference GuideCautionUsers should not attempt to make such connections themselves, but should contact the appropriate electricinspection authority, or electrician, as appropriate.The Load Number (LN) assigned to each terminal device denotes the percentage of the total load to beconnected to a telephone loop which is used by the device, to prevent overloading. The termination on a loopmay consist of any combination of devices subject only to the requirement that the total of the Load Numbers ofall the devices does not exceed 100.Important safety instructionsAustralian Safety InformationThe following safety information is provided in conformance with Australian safety requirements:CAUTION: DO NOT USE BEFORE READING THE INSTRUCTIONS: Do not connect the Ethernet port to a carrier orcarriage service provider’s telecommunications network or facility unless: a) you have the written consent of thenetwork or facility manager, or b) the connection is in accordance with a connection permit or connection rules.Connection of the Ethernet port may cause a hazard or damage to the telecommunication network or facility, orpersons, with consequential liability for substantial compensation.Caution Depending on the power supply provided with the product, either the direct plug-in power supply blades,power supply cord plug or the appliance coupler serves as the mains power disconnect. It is important thatthe direct plug-in power supply, socket-outlet or appliance coupler be located so it is readily accessible. (North America Only) For use only with a CSA Certified or UL Listed Limited Power Source or Class 2 powersupply, rated 12Vdc, 1.5A. (Europe Only): For use only with a GS approved Limited Power Source, rated 12Vdc, 1.5A.Telecommunication installation cautionsWhen using your telephone equipment, basic safety precautions should always be followed to reduce the risk offire, electric shock and injury to persons, including the following: Do not use this product near water, for example, near a bathtub, wash bowl, kitchen sink or laundry tub, ina wet basement or near a swimming pool. Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote riskof electrical shock from lightning. Do not use the telephone to report a gas leak in the vicinity of the leak.Never install telephone wiringduring a lightning storm.BatteryThe Netopia 4553’s lithium battery is designed to last for the life of the product. The battery is not user-ser-viceable.Caution!Danger of explosion if battery is incorrectly replaced.