Installation Scenario C; Figure 25 Two Separate Mdfs For End-User And Co Connections - ZyXEL Communications IES-5000 Series User Manual

IES-5000 Series User's Guide
6 Connect the upper ports of MDF 2 to the lower ports of MDF 1 using telephone wires.
7 Connect the upper ports of MDF 1 to the telephone company.
8 Telephone subscribers only (non-DSL subscribers) retain connections to the lower ports
of MDF 1.
9 Change the wiring from MDF 1 to MDF 3 for telephone subscribers who want DSL
service.

3.5.5.3 Installation Scenario C

Phone service is also available but there are two MDFs; one for end-user telephone line
connections and the other one for CO telephone wiring connections (see the following figure).
This installation scenario does not apply to G.SHDSL connections.
Note: Users A and B have telephone (only) service.

Figure 25 Two Separate MDFs for End-user and CO Connections

This installation scenario requires four MDFs. Please refer to the following figure for the DSL
connection schema.
• MDFs 1 and 2 are the two original MDFs.
• MDFs 3 and 4 are two additional MDFs you need.
Note: User A still has telephone service only. User B now has telephone and DSL
service (see the following figure)
44 Chapter 3 Hardware Installation and Connections