JRC JMR-92 Series Field Service Manual page 694

Step 3 Remove the two-piece terminal blocks on the internal circuits of the
JB.
Among the two-piece terminal blocks on the internal circuits (SLC, AOC, GIF & RIF) in the JB,
remove the terminal blocks together with wires if wires are being connected. The terminal blocks
can be removed by pulling them out.
Step 4 Remove the internal wiring.
If an SLC has been installed, disconnect the Ethernet cables from the J8111 and J8112
connectors.
Furthermore, if the toroidal inductors have been installed, disconnect their crimp terminal with
ship's 24Vdc power line.
Ship's 24Vdc power line
4-473
Toroidal inductors
Chapter 4 Replacement procedure