Notes About Mdfs (Main Distribution Frames); Figure 8 Stacking Multiple Ies-1000 Units - ZyXEL Communications AAM1212 User Manual

Figure 8 Stacking Multiple IES-1000 Units

3.1.5 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.
Chapter 3 Hardware Connections
AAM1212 User's Guide
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