Notes About Mdfs (Main Distribution Frames); Figure 4-4 Shdsl Port, Mdf And User Equipment Connections - ZyXEL Communications IES-1000 Hardware Installation Manual

IES-1000 Hardware Installation Guide

Figure 4-4 SHDSL Port, MDF and User Equipment Connections

Notes About MDFs (Main Distribution Frames)

An MDF is usually installed between end-users' equipment and the telephone company (CO) in a basement or
telephone room. The MDF is the point of termination for the outside telephone company lines coming into a
building and the telephone lines in the building.
4-4 Hardware Connections