Main Distribution Frame For Small Capacity Central Office Solution. Installed With LSA Plus IDC 10 pair Terminal Block, each 10 pcs 10 pair disconnection module for cable strip in the front side,installed with OverVoltage and OverCurrent Protection Plug,provide protection for 10 pair disconnection modules,disconnection module 10 pair for vertical origanized. Back side equipped with 8 pair lsa plus disconnection module,capacity 128 pair each group used for testing function,you could install test cord to test module's connection. Other Accessories:Punch Down Tool,Test Cord,etc Aluminum frame for MDF Frame Body,Assembled Structure easy for installation Ask us for dimension and other details