This figure shows the SL8500 configuration once the single ACS is split into two ACSs (ACS0 and ACS1), each with one pass-thru port.
ACS 0:
Right:
LSM 0,0
LSM 0,1
LSM 0,2
LSM 0,3
To the left:
LSM 0,4
LSM 0,5
LSM 0,6
LSM 0,7
ACS 1:
Right:
LSM 1,0
LSM 1,1
LSM 1,2
LSM 1,3
To the left:
LSM 1,4
LSM 1,5
LSM 1,6
LSM 1,7