Specifications

RIGOL
M300 Selection Guide 7
To Connect the Module and Terminal Block
Multiple signals to be measured can be connected to the plug-in modules through the external terminal
blocks and then switched to the DMM module or external DMM.
WARNING
Cut off all the power supplies before opening the terminal block or removing the terminal
block from the module.
1. Place the terminal block with the front side (with the RIGOL caption) facing downward; pull the two
latches in the arrow direction in the figure below and press them down. Place the terminal block with
the front side facing upward; pull the upper cover of the terminal block upward and remove it.
Figure 2 Disassemble the Upper Cover of the Terminal Block
2. Connect the cables for connecting the signal under test according to the labels on the circuit board of
the terminal block. Pass the binding wires through the two groups of holes as pointed out by the
arrows in the figure below to fix the cables connected. Pay attention to the channel or terminal
connected to the cable to ensure that the signal connected is correct.
Note: For the layout and connection methods of the terminals of each terminal block as well as the
specification requirements of the connecting cables, refer to the introductions in the later sections.
Figure 3 Internal Structure Diagram of the Terminal Block
3. Connect the terminal block to the module via interface 1 (namely the 78Pin interface; for the
interface definition, refer to Figure 1) on the module and screw down the two screw rods onto the
nuts on the module.