61200.130L1-1 FSU User Manual 9Chapter 2. InstallationControl PortThe eight-position modular jack labeled CONTROL providesconnection to a VT 100 RS-232 compatible interface. This enablesthe FSU to be configured through a terminal instead of the frontpanel. Use the VT 100 terminal cable (provided) for this connec-tion. See the appendix Pinouts for the connector pin assign-ments. A description of the operation of this port is covered inthe chapter Operation.