A telecommunications frame (110/120) comprising: a first set of mounting features for allowing a first type of telecommunications device to be mounted to the frame (110/120); and a second set of mounting features (5022, 5024) for allowing a second type of telecommunications device to be mounted to the frame (110/120), the second type of telecommunications device defining a different width from a right side to a left side than the first type of telecommunications device, wherein the first set of mounting features and the second set of mounting features (5022, 5024) are provided on a single integral structure defining a backwall of the telecommunications frame (110/120), wherein the first set of mounting features are provided on both the right side and the left side of the structure and wherein the second set of mounting features (5022, 5024) are provided on both the right side and the left side of the structure, wherein the single integral structure defines a flange positioned forwardly from the backwall and formed around the perimeter of the backwall, the flange defining an abutment edge for limiting the amount of lateral movement of parts of the telecommunications devices mounted to the frame (110/120) caused by lateral forces applied to the telecommunications devices, wherein the first set of mounting features is provided in a vertically stacked arrangement along the flange on both the right side and the left side of the structure and wherein the second set of mounting features (5022, 5024) is provided in a vertically stacked arrangement on both the right and left sides of the structure set back from the flange. a first set of mounting features for allowing a first type of telecommunications device to be mounted to the frame (110/120); and a second set of mounting features (5022, 5024) for allowing a second type of telecommunications device to be mounted to the frame (110/120), the second type of telecommunications device defining a different width from a right side to a left side than the first type of telecommunications device, wherein the first set of mounting features and the second set of mounting features (5022, 5024) are provided on a single integral structure defining a backwall of the telecommunications frame (110/120), wherein the first set of mounting features are provided on both the right side and the left side of the structure and wherein the second set of mounting features (5022, 5024) are provided on both the right side and the left side of the structure, wherein the single integral structure defines a flange positioned forwardly from the backwall and formed around the perimeter of the backwall, the flange defining an abutment edge for limiting the amount of lateral movement of parts of the telecommunications devices mounted to the frame (110/120) caused by lateral forces applied to the telecommunications devices, wherein the first set of mounting features is provided in a vertically stacked arrangement along the flange on both the right side and the left side of the structure and wherein the second set of mounting features (5022, 5024) is provided in a vertically stacked arrangement on both the right and left sides of the structure set back from the flange.