Rack or Chassis
A chassis is the physical frame or structure of an automobile, an airplane, a desktop computer, or other multi-component device.
A Rack is the framework, typically with rails, bars, hooks, or pegs, for holding or storing things.
CS1D-BC042D - Omron
Duplex CPU & Dual Expansion backplane, 5 I/O slots, use CS1D-PA207R power supplies only..
CS1D-BI082D - Omron
Duplex CPU & Dual Expansion backplane, 8 I/O slots, use CS1D-PA207R power supplies only..
CS1D-BC052 - Omron
Duplex CPU backplane, 5 I/O slots, use CS1D-PA207R power supplies only..
CS1D-BI092 - Omron
Duplex expansion backplane, 9 I/O slots, use CS1D-PA207R power supplies only..
6ES7194-1AA00-0XA0 - Siemens
ET200X CABLE ConNECTOR FOR PROFIBUS-DP REPLACED BY 6ES7194-1AA01-0XA0..