Rung 45:      Filter pH (132 -> 138) (Pool 1)                                        

            B:64   O:6                  W:1587 K:0                                F:0    
     ---------] [---[OST]-----------+-----[W]----[=]-----+--------------------+----(DSP)-
                                    |                    |                    |          
                                    |   W:1587 K:2       |                    |   W:132  
                                    +-----[W]----[=]-----+                    x----(SRV)-
   
   Rung 46:      pH: go to next filter sample (Pool 1 and 2)                            

            B:64                 W:1587 K:0                                       O:6    
     ---------]/[------------+-----[W]----[=]-----+--------------------------------(ROS)-
                             |   W:1587 K:2       |                                      
                             +-----[W]----[=]-----+                                      
   
   Rung 47:      Filter pH (2520 -> 138) from EQ AM Board (Pool 1)                      

            B:64   O:65   W:1587 K:1                                              F:0    
     ---------] [---[OST]---[W]----[=]----------------------------------------+----(DSP)-
                                                                              |   W:2520 
                                                                              x----(SRV)-
   
   Rung 48:      pH: go to next filter sample (Pool 1)                                  

            B:64   W:1587 K:1                                                     O:65   
     ---------]/[----[W]----[=]----------------------------------------------------(ROS)-