Schematic diagram of the Integrated Science Instrument Module
The Integrated Science Instrument Module, or ISIM, is a key element of the JWST telescope and includes the ISIM structure, the four science instruments (NIRCam, NIRSpec, MIRI, and FGS/TFI), the associated electronics, harnesses and other components. The figure above shows the positions of the instruments in the ISIM.
Last Update: 1 September 2019