Using more than 1 piece of AT&T equipment for voice service in your house, like a Wi-Fi ® gateway and/or optical network terminal (ONT) device? If so, be sure to get a battery backup for each one. Or, are you using D-cell batteries? If so, buy replacement alkaline batteries from your retailer of choice. Keep in mind - you may not be able to buy replacements for older equipment. Use this chart to contact them or get more info.īuy a replacement batteryGetting a battery from a manufacturer? If so, check with them for warranty or compatible replacement info. Get battery backup manufacturer infoLooking for the battery manufacturer’s name? You can usually find it on the bottom or side of the battery unit. Or, check the manufacturer's website or call them directly. For specific info about your battery backup unit, see the owner's manual. For extended outages, make sure to have extra D-cell alkaline batteries on hand. Have a D-cell battery backup unit? Once your 12 D-cell batteries have been used, replace with 12 fresh D-cell alkaline batteries. #Red alarm light on att fiber box how to#
Want 24-hour coverage if your power goes out? Find out what equipment you’ll need and how to buy it.
Older battery backup units don’t last a full day. Some units have a display light that may change color. This alert may be an intermittent beeping or other sound coming from the unit.
Find out when to replace a batteryMany battery backup units provide audible or visual alerts when the battery backup power is running low.
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