margin:0; padding:0 ">  50:     .clk_i,</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  51:     .rst_ni,</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  52:     .diff_pi  ( alert_rx_i.ping_p     ),</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  53:     .diff_ni  ( alert_rx_i.ping_n     ),</pre>
<pre style="background-color: #C0C0C0; margin:0; padding:0 ">  54:     .level_o  (             ),</pre>
<pre style="background-color: #C0C0C0; margin:0;