The utility model discloses a tester loading attachment is put in cable office, including the guard box and the rack of mutual adaptation, the rack setting is equipped with the first second of placing district, putting tester wave filter looks adaptation with cable office of putting tester computer looks adaptation with cable office and places the district in the guard box in the rack, and first district and the second placed is placed and still be equipped with the clearance between the district and distinguish. The guard box includes dustcoat and end box, and end box and dustcoat be through separable lock catch type structural connection, the rack sets up in end box. It can remove from at every turn detect in computer and wave filter all necessary installation with demolish the process, help cable office puts the tester and gets into operating condition fast and just be convenient for transport to can greatly improve the efficiency that the detection was put in cable run office.