10020/1/2CC29102 HONEYWELL Communications Module Product Description The Honeywell 10020/1/2 CC29102 module is described in several listings as a communication or CPU module for Honeywell’s “FSC”- series (Fieldbus/Spare/Control) rack/automation systems.It is a board/module that fits into a Honeywell I/O/controller rack architecture (likely older or legacy system).Its purpose is to handle communications (or serve as a CPU or interface) for that rack – i.e., manage data