Indicates the timeout period, in seconds, that the device will terminate data services. The timer will start upon loss of AC power and operation of battery backup begins. After the timer expires, the device will stop providing data services (Ethernet and USB) and shutdown those functions to conserve battery capacity. The default value for this object is 15 minutes(900 seconds) on model7 units, 5 minutes(300 seconds) on 16xx units that support 802.11n(1642/62/72), and 1682 and 24xx units which support 802.11ac.