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Conv TTL RS485 - Testing
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Conv TTL RS485 - Testing
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c4e9a8ff
Commit
c4e9a8ff
authored
Jan 08, 2015
by
Theodor-Adrian Stana
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doc: Working on PTS system setup document
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doc/setup/setup.tex
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c4e9a8ff
...
@@ -126,15 +126,13 @@ The following steps should be performed:
...
@@ -126,15 +126,13 @@ The following steps should be performed:
\begin{enumerate}
\begin{enumerate}
\item
Open the top and back of the 19'' rack
\item
Open the top and back of the 19'' rack
\item
Grab four
\textcolor
{
red
}{
\textbf
{
LENGTH
}}
cables and pass them from the front
\item
Take four
\textcolor
{
red
}{
\textbf
{
LENGTH
}}
Lemo 00
cables and pass them from the front
to the back of the rack
to the back of the rack
\item
Fix them to the rack so that they hang out enough to reach until the second
\item
Fix them to the rack so that they can be inserted in slot 5 of the ELMA crate
slot of the ELMA crate
\item
Take four Lemo 00 T splitters and connect one short (1~ns delay) Lemo 00 cable
\item
Grab the two RS-485 tester cards
on each female plug of the T splitters
\item
Grab four Lemo 00 T splitters and connect one short (1~ns delay) Lemo 00 cable
on each top side of the T splitters
\item
Using Lemo 00 female-to-female adapters, connect the long cables coming
\item
Using Lemo 00 female-to-female adapters, connect the long cables coming
from the front of the rack to the T splitters
from the front of the rack to the T splitters
' male side
\item
Label each of the long cables with colored labels on both sides, in this order from
\item
Label each of the long cables with colored labels on both sides, in this order from
left to right:
left to right:
\begin{itemize}
\begin{itemize}
...
@@ -143,15 +141,81 @@ The following steps should be performed:
...
@@ -143,15 +141,81 @@ The following steps should be performed:
\item
red
\item
red
\item
yellow
\item
yellow
\end{itemize}
\end{itemize}
\item
Close the top of the 19'' rack
\item
Take the two RS-485 tester cards and insert the short (1~ns) cables to the plugs
according to the color coding:
\begin{itemize}
\item
blue cables to BLU plugs
\item
green cables to GRN plugs
\item
red cables to RED plugs
\item
yellow cables to YEL plugs
\end{itemize}
\item
Insert a CONV-TTL-RTM-RS485 card into the back of the ELMA crate, in slot 4
\item
Insert a CONV-TTL-RTM-RS485 card into the back of the ELMA crate, in slot 4
\item
Insert the two RS485 tester cards all the way into the RTM in slot
4
:
\item
Insert the two RS485 tester cards all the way into the RTM in slot
5
:
\begin{itemize}
\begin{itemize}
\item
one tester card for channels 1--3
\item
one tester card for channels 1--3
\item
the other for channels 4--6
\item
the other for channels 4--6
\end{itemize}
\end{itemize}
\item
Close the top of the 19'' rack
\item
Close the back of the 19'' rack
\item
Close the back of the 19'' rack
\end{enumerate}
\end{enumerate}
%==============================================================================
% SEC: Install Ubuntu on the laptop
%==============================================================================
\pagebreak
\section
{
Install Ubuntu on the laptop
}
\label
{
sec:install-ubuntu
}
If you end up with a bare laptop without an OS installed, you have to follow the
laptop installation guide written by Julian for the SVEC PTS system:
\begin{itemize}
\item
\url
{
http://cern.ch/go/H9tv
}
\end{itemize}
Note that this guide can be followed selectively, for example you need not set up your
system to gain remote access to the laptop, the installation of the system can also be done
on the laptop directly. However, the steps related to network drivers and configuration
should be followed in order to have a properly working PTS system.
The guide should be followed until
\textbf
{
step 17
}
of section
\textbf
{
Set up the PTS user account
}
.
After this step, the guide is SVEC-related and need not be followed. We will continue with
the details in the next section to test our system and network was properly installed.
%==============================================================================
% SEC: ELMA setup
%==============================================================================
\section
{
Setting up the ELMA crate
}
\label
{
sec:elma-setup
}
\begin{enumerate}
\item
The ELMA crate should be configured to have the password
\verb
=
ADMIN
=
for the
\verb
=
admin
=
account
\item
Login to the ELMA crate to test the setup in Section~
\ref
{
sec:install-ubuntu
}
:
\begin{verbatim}
$
telnet elma
Trying
192
.
168
.
20
.
22
...
Connected to elma.
Escape character is '
^
]
'.
login:admin
password: ADMIN
%>
\end
{
verbatim
}
\item
If the prompt appears as above, the setup is fine. Now we need to disable the telnet ping
that the SysMon does, so it doesn't get in the way of our Python scripts:
\begin
{
verbatim
}
%> telnetping 0
%> saveenv
%> reboot
\end
{
verbatim
}
\item
This last command will reboot the SysMon to store the telnetping settings, so the connection to the
ELMA will be lost. This is an expected behaviour and should not get in our way. Simply reconnect
as in step
2
to make sure the connection still works after reboot.
\end
{
enumerate
}
%==============================================================================
% SEC: Test environment
%==============================================================================
\section
{
Preparing the laptop test environment
}
\label
{
sec:environment
}
\end
{
document
}
\end
{
document
}
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