IS200EBKPG1C is a Rack Backplane Exciter Control Module manufactured by General Electric as a part of the EX2100 series used in Excitation control systems. It provides the backplane for the control boards and the connectors for the I/O terminal board cables. EBKP has three sections for the controllers M1, M2, and C. Each section has its own independent power supply sections M1 and M2 both have the ACLA, DSPX, EISB, EMIO, and ESEL boards section C has the DSPX, EISB, and EMIO. The EBKP board is mounted in a rack holding the control boards with two cooling fans at the top. The upper part of the backplane contains 24 DIN connectors as part of the backplane. The lower part of the backplane contains 27 D- SUB connectors, 3 circular DIN connectors, 3 - 12 pin power supply plugs, 3 - Fan power plugs, and 30 test points. EBKP board has no LED fuses or adjustable hardware. The board has test points for signal diagnostic purposes. The test points provide signal access to diagnostics analog to digital convertors and to digital to analog converters.