Integrated battery backup capability is not available with all Touchstone modems. Backup capable TM6 Models include: TM602G and TM602H. TM5 Models include: TM502G, TM502H, TM504G and TM504H. TM4 Models include: TM402G and TM402P.
ARRIS recommends using only an ARRIS battery pack with a Touchstone telephony modem (e-MTA). The ARRIS lithium-ion battery pack is designed to provide optimum performance and enhanced network capabilities for the Touchstone telephony modem. Other battery packs may damage the Touchstone telephony modem and void the warranty.
*Service during a power failure event is dependent on your service provider's network capability. Contact your service provider for information on network capability. Battery backup times are typical and can be influenced by the age of the battery, the charging state, storage conditions and operating temperature as well as factors such as data activity and length of active telephone calls.
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