Distribution cabinet (10) for making electrical or optical conductor connections to modules (90, 91) arranged in the distribution cabinet (10), comprising a housing (19) in which a module carrier (11, 12) for supporting modules (90, 91) is arranged one above the other in a row direction (R), wherein the housing (19) has a first operating opening (13) and a second operating opening (14) on opposite sides, wherein the first operating opening (13) is provided frontally in front of the module carrier (11) for operating the modules (90, 91) held on the module carrier (11), and wherein the module carrier (11) associated with the first operating opening (13) forms a first module carrier (11) and between the first module carrier (11) and the second operating opening (14) a second module carrier (12) associated with the second operating opening (14) and accessible from the front through the second operating opening (14) for supporting modules in a The row direction (R) is arranged one above the other,characterized in that the first module carrier (11) and the second module carrier (12) are arranged in alignment with each other in the distribution cabinet (10, 100), so that a module (90, 91) arranged on one module carrier (11, 12) can project into a mounting space (50) of the other module carrier (11, 12) provided for modules.