AT&T Inidv2 I3812v Urer Guide

							57
Working with the Power Supply Unit
The iPSU needs no scheduled maintenance other than regular batter y inspection and replacement. If the 
power supply unit is equipped with a backup batter y, it continues to provide voice-over-IP services in case of 
emergency during a power outage. During a temporary AC power outage, the power source is switched to 
the batter y without interruption of the voice-over-IP service. When the AC power is restored, the power 
source is switched back to the power supply unit. The switchover between the power supply unit and the 
batter y is automatic and instantaneous. 
This section provides instructions to:
 Replace the batter y on page 58
 Disable the audio aler t on page 61
 Enable the audio alert on page 63
Note: Reser ve the batter y charge during a power outage. Do not access the 
Internet when the power is running on the batter y. Doing so will discharge the 
battery at a much faster rate and shorten the voice-over-IP ser vice time. 
Note: You are solely responsible for periodically replacing this batter y to 
provide uninterruptable voice-over-IP ser vices during a power outage. Your 
service provide does not monitor the battery and is not responsible for its 
replacement. 
						

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58
Replacing the Battery
The batter y is rated for a service life of up to five years, which varies depending on operational and 
environmental conditions. The battery life expectancy depends on the operating environment as 
temperature extremes shorten the batter y life. The optimum operating temperature is between 
–5
o C to +50o C, ambient (23.0o F to 122o F). 
The batter y is specifically designed to use with the iNID system. Contact your ser vice provider for battery 
replacement information. 
To replace the batter y:
1.Use a Phillips screwdriver to unfasten two screws (one on each side) securing the power supply batter y 
cover, and put them in a safe place (Figure 11).
Figure 11: Power Supply Unit Cover Removal
2.
Bring the batter y cable and batter y cable connector to visibility (located on top of the backup batter y).
3.Press down on the tension springs and pull to disconnect the batter y cable connector from the battery 
cable (Figure 12). 
Remove screws from both sides of
the unit to remove the front cover. 
						

							Working with the Power Supply Unit
59
Figure 12: Battery Connector 
4.
Release the safety strap securing the batter y.
5.Remove the old battery from the housing and put it safely aside. 
6.Insert the new batter y gently into the housing. 
7.Connect the battery cable connector to the batter y cable. 
8.Obser ve the BATTERY indicator on the iPSU, it should light green when the i38HG and i3812V are 
communicating properly. 
9.Secure the battery with the safety strap.
Note: Be careful when removing the battery; it is heavy.
Note: Be sure to place the battery inside the raised bottom edge of the 
case. 
Note: A faulty batter y is indicated if the BATTERY indicator does not light 
green within 5 minutes assuming the iPSU is plugged into AC power. 
POWER
SILENCE ALARMBATTERY
C
AUTI
ONPOTENTIAL SHOCK
Tension Springs 
						

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60
10.Place the housing cover over the unit and press gently on it until it snaps into place.
11.Fasten the cover with the two screws you removed earlier. 
Note: If you have disabled the alert earlier, make sure to enable the aler t 
(page 63).  
						

							Working with the Power Supply Unit
61
Disabling the Alert 
By default, the audible aler t is enabled to warn you when the battery is exhausted. It is recommended that 
you do not disable the audible aler t unless you intend to replace the batter y within a short time. A chirping 
tone sounds to aler t you that when the battery is exhausted and needs replacing. The duration of the 
chirping sound is 0.2 seconds and happens once ever y 5 seconds. You can turn off the chirping sound to 
disable the aler t for 12 hours or permanently. 
To disable the alert:
1.Enter http://gateway.2Wire.net as the URL; the Home page opens. 
Caution: Disable the audio alert with caution! 
If you disabled the alert and did not replace the backup batter y on a timely 
manner, you will have no voice-over-IP ser vices in case of emergency during 
an AC power outage.  
						

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2.Click Battery Info; the Emergency Batter y Backup page opens. 
3.Click Disable Aler t for 12 hours to turn off the low-batter y notification or deselect the Enable checkbox to 
disable the aler t permanently. 
4.Click Save.  
						

							Working with the Power Supply Unit
63
Enabling the Alert 
To enable the aler t:
1.Enter http://gateway.2Wire.net as the URL; the Home page opens.  
						

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2.Click Battery Info; the Emergency Batter y Backup page opens. 
3.Click Enable to enable the batter y audible aler t. 
4.Click Save.  
						

							65
Configuring Services
There is no user-configuration needed for VoIP ser vice. All server and line configuration are performed by 
your ser vice provider. Refer to Table 5 in the Finding Solutions section if you encounter VoIP ser vices related 
issues. 
This section provides instructions to: 
 Set up Access control on page 66
 Configure Content screening on page 69
 Configure Web remote access on page 74 
 Access local network with Web remote access on page 76 
						

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Setting up Access Control
The access control feature enables you to set restrictions on content access and time-of-day access for any 
device connected to your gateway. Access control can be set up for Web browsing, instant messaging, and 
other applications.
To configure time-of-day access: 
1.Open a Web browser and enter http://gateway.2Wire.net to access the 2Wire i3812V user interface. 
2.Click Ser vices and select Access Control; the Access Control page opens displaying a a list of connected 
devices and any access restrictions for each device. 
Note: The link will not appear on your screen if you have not subscribed to 
the service.