main distribution frame

distribution frame where cables are cross-connected in telephony

en-US/ˈmeɪn ˌdɪstɹəbˈjuʃən ˈfɹeɪm/
en-GB/ˈmeɪn ˌdɪstɹɪˈbjuːʃn ˈfɹeɪm/

دسته بندی ها:

buildingdistribution frame