A system comprising: a first power distribution unit coupled to a first source of alternating current power by a first connector, wherein power flowing to the first power distribution unit through the first connector flows through a first circuit breaker, the first power distribution unit defines a first plurality of electrical connectors (120A - 120F), each electrical connector defines conductors configured to carry alternating current power and conductors configured to carry data; a second power distribution unit, different than the first power distribution unit, the second power distribution unit coupled to a second source of alternating current power by a second connector, wherein power flowing to the second power distribution unit through the second connector flows through a second circuit breaker different from the first circuit breaker, the second power distribution unit defines a second plurality of electrical connectors (130A - 130F) different than the first plurality of electrical connectors (120A - 120F), each electrical connector defines conductors configured to carry alternating current power and conductors configured to carry data; a first computer system communicatively coupled to the first and second power distribution units (106, 108); a second computer system coupled to an electrical connector of the first plurality of electrical connectors (120A - 120F); and a third computer system (104, 700) coupled to an electrical connector of the second plurality of electrical connectors (130A - 130F); the first power distribution unit is configured to communicate with the second computer system by way of the conductors configured to carry data of the electrical connector of the first plurality of electrical connectors (120A - 120F), and the second power distribution unit is configured to communicate with the third computer system (104, 700) by way of the conductors configured to carry data of the electrical connector of the second plurality of electrical connectors (130A - 130F); and the first and second power distribution units (106, 108) are configured to send power topology data to the first computer system, the power topology data associated with the communication to the respective second and third computer systems (102, 104, 700). a first power distribution unit coupled to a first source of alternating current power by a first connector, wherein power flowing to the first power distribution unit through the first connector flows through a first circuit breaker, the first power distribution unit defines a first plurality of electrical connectors (120A - 120F), each electrical connector defines conductors configured to carry alternating current power and conductors configured to carry data; a second power distribution unit, different than the first power distribution unit, the second power distribution unit coupled to a second source of alternating current power by a second connector, wherein power flowing to the second power distribution unit through the second connector flows through a second circuit breaker different from the first circuit breaker, the second power distribution unit defines a second plurality of electrical connectors (130A - 130F) different than the first plurality of electrical connectors (120A - 120F), each electrical connector defines conductors configured to carry alternating current power and conductors configured to carry data; a first computer system communicatively coupled to the first and second power distribution units (106, 108); a second computer system coupled to an electrical connector of the first plurality of electrical connectors (120A - 120F); and a third computer system (104, 700) coupled to an electrical connector of the second plurality of electrical connectors (130A - 130F); the first power distribution unit is configured to communicate with the second computer system by way of the conductors configured to carry data of the electrical connector of the first plurality of electrical connectors (120A - 120F), and the second power distribution unit is configured to communicate with the third computer system (104, 700) by way of the conductors configured to carry data of the electrical connector of the second plurality of electrical connectors (130A - 130F); and the first and second power distribution units (106, 108) are configured to send power topology data to the first computer system, the power topology data associated with the communication to the respective second and third computer systems (102, 104, 700).