IES-2000/3000 User’s Guide
3-10 Hardware Overview
Connect a Telco-50 connector to one end of the cable (see the Pin Assignments Appendix) and connect the other
end directly to an MDF; alternatively attach RJ-11 connectors and connect directly to DSL modem(s).
Table 3-15 Telco Cable
3.4.2 MDF (Main Distribution Frame)
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 wiring in the building.