Small form-factor pluggable module with ground fault detection circuitry

A small form-factor pluggable module comprising:

• a ground fault detection circuit, the ground fault detection circuit comprising:
• at least one Ethernet transformer;
• at least one switching device in communication with each of the at least one Ethernet transformers;
• a resistive component in communication with each of the at least one switching devices and a circuit common;
• and
• a module microcontroller unit in communication with each the at least one switching devices.

A small form-factor pluggable module comprising:

• a ground fault detection circuit, the ground fault detection circuit comprising:
• at least one Ethernet transformer;
• a first module resistive component, including a first module resistive component value, in communication with a second module resistive component, including a second module resistive component value, to form a module reference point, the first module resistive component in further communication with an isolated voltage to form an isolated voltage reference point, and the second module resistive component in further communication with an earth ground connection;
• a module switching device in communication with the module reference point, the module switching device in further communication with a ground connection;
• a module operational amplifier circuit in communication with the module reference point;
• a module microcontroller unit in communication with the operational amplifier circuit and the card microcontroller unit;
• an isolator circuit in communication with the module microcontroller unit;
• a converter circuit in communication with the isolated voltage reference point in further communication with the module microcontroller unit;
• a third module resistive component, including a third module resistive component value, in communication with a center tap of the at least one Ethernet transformer and the isolated voltage reference point;
• and
• a fourth module resistive component, including a fourth module resistive component value, in communication with a center tap of the at least one Ethernet transformer and an earth ground connection