Greetings Alfred ... here is some setup info for the S16 that I found:
There are three aspects of setting up the S16:
Physical Connections: Connect from AES50 port on X32 / Rack to AES50(A) input on first S16. Connect from AES50(B) port on first S16 to AES50(A) port on second S16.
Setting up X32/Rack:
Look at the box on the upper right side of screen. All boxes here should be green, indicating sync. To change sync settings, go to the global page of the SETUP menu. I have had success using the "local" option, which makes the X32 the master. In this scenario, you will need to make sure your S16s are both set to external clock, described below.
Now, go to the home page of the ROUTING menu, choose AES50(A or B, depending on the port you are using on your X32) for all 32 inputs: Inputs 1-8 set to AES50(A or B) 1-8, Inputs 9-16 set to AES50(A or B) 9-16, and so on.
You should now be all set to control head amp gain from the X32 and use the S16 for inputs.
Setting up S16:
The lights on the S16s are indicating what mode it is in. The table on page 19 of the Quick Start Guide explains what mode is indicated by which lights. Modes can change whether a unit is Master or Slave, What AES50 channels feed the ADAT, and other options. I had success slaving to the X32 on both boxes, which would be the first setting in this table.
Setting up the S16 Digital Snake(s)
S16 #1 (Input ch.1-16 / Outputs 1-8)
Hold down the CONFIG button and turn the SELECT/ADJUST rotary knob to the left until there are no LED indicators on the routing display panel, and the digital readout displays as 1-8. Release the CONFIG button.
If you have a second S16 ...
S16 #2 (Input ch.17-32 / Output 9-16)
Hold down the CONFIG button and turn the SELECT/ADJUST rotary knob to the left until the red LED indicator is at the OUT +8 position and the digital readout displays as 9-16. Release the CONFIG button.
To confirm that the S16 has been successfully connected to the X32: On the S16 the A Port LED indicator will be green. On the X32, in the connection display window, the “A” row will say “S16+”.
~ ~ ~ ~ ~ ~ ~ ~
I also found this ...
How do you get two S16s properly connected to one X32 Console?
1. First the physical connections must be made. Come out of AES50A into the first S16, then AES50B of that S16 into AES50A to the second.
2. Make sure the X32's Synchronization remains at LOCAL. This is under SETUP / CONFIG.
3. On the front panel of the first S16, hold the CONFIG button and turn the SELECT/ADJUST encoder to the left until the screen reads “1-8”. This is where it needs to be set.
4. On the front panel of the second S16, hold the CONFIG button and turn the SELECT/ADJUST encoder to the left until “1-8” displays, then turn one click right to “9-16”. Keep it at “9.16”
5. On the X32, press the ROUTING button. While on the HOME tab, change the Channel Processing Inputs from Local 1-8, Local 9-16, Local 17-24, Local 25-32 TO AES50 A1-8, AES50 A9-16, AES50 A17-24, AES50 A25-32.
6. On the X32, to configure the Outputs: press the ROUTING button and tab over to AES50 A. On the first column, change the Outs from Local 1-8 TO “Out 1-8” and the second column from Local 9-16 to “Out 9-16”.
