Industrial Networking FiberINTERFACES Industrial Ethernet Rail Family MICE EAGLE System Wireless LAN Rail Video OCTOPUS System IP67 MACH 3000 Chassis Media modules Router Module Accessories MACH 4000 LION Control Room Switch Network Management System Accessories Powerlink Router OpenRail System Product Product Title Product Description Order Number M-PSU1 Plug-in power supply for Hirschmann MACH 3002 and MACH 3005 basic devices. 943 677-001 M-AIR2 Fan plug-in for Hirschmann MACH 3002 and MACH 3005 basic device, two redundant fans including monitoring unit 943 678-001