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<div class="div">
<h1>Testing Intelligent Shutdown</h1>

<div class="preconditions">
<a name="p2xhtm-repid-2" shape="rect"></a>
<div class="topic">
<h2>Before you start</h2>

<p>Make sure you have the following equipment available:</p>


<ul>
<li><p>base station controller</p>
</li>
<li><p>base transceiver station (Nokia 2nd
generation, Nokia Talk-Family, Nokia MetroSite or Nokia UltraSite base station)</p>
</li>
<li><p>battery backup unit</p>
</li>
<li><p>mobile station</p>
</li>
</ul>
</div>
</div>


<div class="sequence">
<h2>Steps</h2>

<layer visibility="hide"><p class="title"><span class="ExpCollAll" onclick="ExpCollAll(false); return false"><img alt="Expand/collapse all" border="0" class="ExpColl" name="blockTitle" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" />
Expand/collapse all</span></p>
</layer>
<ol class="type-odd">
<li type="1"><a name="jan2041014331" shape="rect"></a>
<div class="action-in-short">
<h3>Define service level
to be maintained on mains failure by activating the battery backup procedure
(EFM).</h3>
</div>
</li>
<li type="1"><a name="nov123935471" shape="rect"></a>
<div class="action-in-short">
<h3>Define BTS site battery
backup forced hand over timer (EEM).</h3>
</div>
</li>
<li type="1"><a name="nov123938142" shape="rect"></a>
<div class="action-in-detail">
<a name="block1Title" shape="rect"></a>
<div>
<p class="title"><span class="block-title" onclick="expandBlock('block1'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block1Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> Test backup battery.</span></p>
</div>


<div class="text" id="block1Text">
<p>Cut the mains power supply to the BTS.</p>
</div>
</div>


<div class="expected">
<h3>Expected outcome</h3>

<ul>
<li><p>With Nokia 2nd generation base station,
alarm 7313 BATTERY BACK-UP UNIT MAINS FAILURE is received.</p>
</li>
<li><p>With Nokia Talk-family, Nokia MetroSite,
or Nokia UltraSite base station, alarm 7995 MAINS BREAKDOWN WITH BATTERY BACK-UP
is received.</p>
</li>
</ul>


<p>After NTIM (1 minute) from mains failure, the following
events should occur:</p>


<ul>
<li><p>The operative state of non-BCCH TRXs
that have no calls is changed to BL-PWR.</p>
</li>
<li><p>The forced handover for non-BCCH TRXs
that have ongoing calls starts, and the operative state of the TRXs is changed
to BL-SHD. After the handover, the operative state of the TRXs is BL-PWR.</p>
</li>
<li><p>If the cell is baseband hopping, BCCH
TRX is also blocked (BL-SYS) with forced handover, then reconfigured and raised
to working (WO) again.</p>
</li>
<li><p>Finally, the operative state of all
non-BCCH TRXs is BL- PWR.</p>
</li>
</ul>


<p>After NTIM + BTIM (4 minutes) from mains failure the following
events should occur:</p>


<ul>
<li><p>The operative state of BCCH TRXs that
have no calls is changed to BL-PWR.</p>
</li>
<li><p>The forced handover for BCCH TRXs that
have ongoing calls starts, and their operative state is changed to BL-SHD.
After the handover, the operative state of BCCH TRXs is BL-PWR.</p>
</li>
<li><p>Finally, the operative state of all
TRXs is BL-PWR.</p>
</li>
</ul>
</div>
</li>
<li type="1"><a name="nov123940103" shape="rect"></a>
<div class="action-in-short">
<h3>Check the operative
state of the TRXs (EEI).</h3>
</div>
</li>
<li type="1"><a name="nov12394364" shape="rect"></a>
<div class="action-in-detail">
<a name="block2Title" shape="rect"></a>
<div>
<p class="title"><span class="block-title" onclick="expandBlock('block2'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block2Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> Test different BBU, NTIM,
and BTIM values.</span></p>
</div>


<div class="text" id="block2Text">
<p>You can also test different situations with different BBU,
NTIM, and BTIM values according to the following table. X denotes that the
value is insignificant.</p>


<a name="nov123100199" shape="rect"></a>
<div>
<p>Table: Functions with different battery backup parameter and timer values
after a mains failure</p>


<table border="1">
<tbody>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>BBU</p>
</td>
<td colspan="1" rowspan="1"><p>NTIM</p>
</td>
<td colspan="1" rowspan="1"><p>BTIM</p>
</td>
<td colspan="1" rowspan="1"><p>Function</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>NONE</p>
</td>
<td colspan="1" rowspan="1"><p>0</p>
</td>
<td colspan="1" rowspan="1"><p>0</p>
</td>
<td colspan="1" rowspan="1"><p>All TRXs are powered down immediately.</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>NONE</p>
</td>
<td colspan="1" rowspan="1"><p>&gt;0</p>
</td>
<td colspan="1" rowspan="1"><p>0</p>
</td>
<td colspan="1" rowspan="1"><p>All TRXs are powered down after time NTIM.</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>NONE</p>
</td>
<td colspan="1" rowspan="1"><p>0</p>
</td>
<td colspan="1" rowspan="1"><p>&gt;0</p>
</td>
<td colspan="1" rowspan="1"><p>Non-BCCH TRXs are powered down immediately and BCCH TRXs
after time BTIM.</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>NONE</p>
</td>
<td colspan="1" rowspan="1"><p>&gt;0</p>
</td>
<td colspan="1" rowspan="1"><p>&gt;0</p>
</td>
<td colspan="1" rowspan="1"><p>Non-BCCH TRXs are powered down after time NTIM and BCCH
TRXs after time NTIM + BTIM.</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>BCCH</p>
</td>
<td colspan="1" rowspan="1"><p>0</p>
</td>
<td colspan="1" rowspan="1"><p>X</p>
</td>
<td colspan="1" rowspan="1"><p>Non-BCCH TRXs are powered down immediately.</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>BCCH</p>
</td>
<td colspan="1" rowspan="1"><p>&gt;0</p>
</td>
<td colspan="1" rowspan="1"><p>X</p>
</td>
<td colspan="1" rowspan="1"><p>Non-BCCH TRXs are powered down after time NTIM.</p>
</td>
</tr>
<tr align="left" char="" charoff="50" valign="top">
<td colspan="1" rowspan="1"><p>ALL</p>
</td>
<td colspan="1" rowspan="1"><p>X</p>
</td>
<td colspan="1" rowspan="1"><p>X</p>
</td>
<td colspan="1" rowspan="1"><p>Nothing will be done.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</li>
</ol>
</div>


<div class="container">
<a name="p2xhtm-repid-4" shape="rect"></a>
<div class="topic">
<h2>Further information</h2>

<p>For deactivating and testing Intelligent Shutdown,
see <a href="NED?action=retrieve&amp;identifier=dn03527737&amp;edition=2&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_top#ned_top" onclick="sync(this);return true" shape="rect">Deactivating
and testing Intelligent Shutdown</a>.</p>


<p>For additional information on commands, testing syntax
and operation examples, see <em>Activating and Testing BSS7020:
Intelligent Shutdown with Timer Control</em> in BSC/TCSM documentation.</p>
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