Axe-Fx II XL Plus & ISP Decimator Pro Rack G & Boss RC 3 (Loop Station) & Engl E 670 Special Edition wiring

ISP-CH1-IN <- Guitar
ISP-CH1-OUT -> AXE-IN-CH1-L
ISP-CH2-OUT ->AXE-IN-CH2-L
ISP-CH2-IN <- ENGL-Loop1-SEND
AXE-OUT-CH1-L -> BOSS RC 3 IN
BOSS RC 3 OUT -> ENGL-Loop1-Return
AXE-OUT-CH2-L -> ENGL-Instrument IN