Booting from battery – ARRIS TG852G-NA User Guide User Manual
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Booting from Battery
The TG852 supports a “Boot from Battery” feature that allows the Telephony Gate-
way to begin service without AC power.
To start the TG852 from its battery, follow these steps:
1 If a battery is already installed in the Telephony Gateway, remove it.
2 Re-insert the battery into the Telephony Gateway (see
for details).
3 Press the Reset button; the Power light should turn on immediately.
Touchstone TG852 Telephony Gateway User’s Guide
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