Model 2461 Interactive SourceMeter® Instrument Reference Manual Section 2: General operation2461-901-01 A/November 2015 2-7Rear panel overviewThe rear panel of the Model 2461 is shown below. Descriptions of the options follow the figure.Figure 3: Model 2461 rear panelScrew-terminalconnectorProvides connections for sense HI and sense LO, force HI andforce LO, guard, guard sense, and chassis ground.Protective earth(safety ground)Ground screw for connection to protective earth (safety ground).Connect to protective earth using recommended wire size (#16AWG or larger).Chassis ground Ground screw for connections to chassis ground. This provides aconnection terminal to the equipment frame.Interlock connector Interlock connection for use with an interlock switch, such as atest fixture. When properly connected, the safety interlock of theModel 2461 places the outputs of the instrument in a safe state.For details, see Using the interlock (on page 2-86).Line fuse andpower receptacleConnect the line cord to the power receptacle and a grounded ACpower outlet. The line fuse, located just above the powerreceptacle, protects the power line input of the instrument. Forsafety precautions and other details, see Power the instrument onor off (on page 2-2) and Line fuse replacement (on page A-1).
