I would like to know if the ME-3600-24FS-M comes with a primary PWR-ME3KX-AC as stardand feature or do I need to buy it ? I mean, if my project requests a primary and a redundancy Power source, do I need to buy 2 PWR-ME3KX-AC units? Thanks for any he...

I would like to know if  are the pns BRKT-PHD2.5X-MON and CTS-PHD-2.5X already included in the product CTS-SX20PHD2.5X-K9 without additional charges?