<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div data-marker="__QUOTED_TEXT__"><p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Hello,</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">From my understanding,
the following is all of the electronics components in rack C3-5
for the first RICH sector and their dimension:</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif"><b>RICH 1 Components
in Rack C3-5:</b><br>
</span></p>
<table cellpadding="2" cellspacing="2" width="312" border="1">
<tbody>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" size="+1" face="Times New Roman,
Times, serif"><i><b>Component</b></i><i><b><br>
</b></i></span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" size="+1" face="Times New Roman,
Times, serif"><i><b>Height [U]</b></i><i><b><br>
</b></i></span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">VXS crate<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">11<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">CAEN power supply<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">8<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">HV distribution<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">5<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">Fiber Distribution<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">4<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">Empty space for ventilation <br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">4<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif"><b><span size="+1">TOTAL</span></b><b><br>
</b></span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif"><b>32</b><b><br>
</b></span></td>
</tr>
</tbody>
</table>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif"><br>
</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif"><b>RICH 2 Components
in Rack C3-7:</b></span></p>
<table cellpadding="2" cellspacing="2" width="312" border="1">
<tbody>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" size="+1" face="Times New Roman,
Times, serif"><i><b>Component</b></i><i><b><br>
</b></i></span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" size="+1" face="Times New Roman,
Times, serif"><i><b>Height [U]</b></i><i><b><br>
</b></i></span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">CAEN power supply<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">8<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">HV distribution<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">5<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">Fiber Distribution<br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">4<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">Empty space for ventilation <br>
</span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif">4<br>
</span></td>
</tr>
<tr>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif"><b><span size="+1">TOTAL</span></b><b><br>
</b> </span></td>
<td valign="top" align="center"><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman,
Times, serif"><b>21</b><b><br>
</b> </span></td>
</tr>
</tbody>
</table>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif"><br>
</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">It looks like in rack
C3-7, there will be the 21U for RICH 2's components.<br>
</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">However, it looks like
it will be a lot tighter fit for the first RICH sector's
electronics in rack C3-5 since there is only 23U available.
Regarding this:</span></p>
<ol>
<li><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Would it be
possible to drop the existing HV supply in C3-5 down a few U
to make space?</span></li>
<li><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Matteo had
mentioned that the Fiber distribution might be able go behind
the VXS crate. Is this still a possibility?</span></li>
<li><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Would the CAEN HV
mainframe be able to go on top in the rack so there is nothing
on top of it and open to the air?</span></li>
</ol>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Considering these
questions, it might still be possible to fit the components for
RICH 1 in rack C3-5 with a little bit of rearranging of what is
already there.</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Best regards,</span></p>
<p><span data-mce-style="font-family: Times New Roman,Times,serif; font-size: 12pt;" style="font-family: Times New Roman,Times,serif; font-size: 12pt;" face="Times New Roman, Times, serif">Tyler<br>
</span></p><br></div></div></body></html>