A data cabling jack device for configuring a plurality of cables on an assembly frame is provided. The data cabling jack device includes a housing and an engaging structure. The housing has an accommodation space, wherein the housing includes a jack side and a cable side opposite to the jack side. The engaging structure is disposed on the housing and has an engaging switch and an engaging portion, wherein the engaging switch is switched between a release position and an engaging position. The release position and the engaging position are respectively disposed nearby the cable side and the jack side. The engaging portion engages the assembly frame when the engaging switch is switched from the release position to the engaging position to drive the engaging portion to protrude out of the assembly frame.