Chapter 2 Hardware Installation and Connections

IES-5000 Series User’s Guide

49

Use the following procedure for this MDF installation scenario.

1

Connect the Telco-50 connector end of the cable you want for DSL service to the Telco-
50 connector labeled 

USER

 on the splitter chassis rear panel.

2

Connect the wiring on the other side of the Telco-50 cable to the upper ports of MDF 3 
using a punch-down tool.

3

Connect the telephone wiring from the end-user’s DSL modem(s) to the lower ports of 
MDF 3.

4

Connect the Telco-50 connector end of the cable you want for phone service to the 
Telco-50 connector labeled 

CO

 on the splitter chassis rear panel.

5

Connect the wiring on the other side of the Telco-50 cable to the lower ports of MDF 2 
using a punch-down tool.

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.

2.5.4.3  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. 

"

Users A and B have telephone service only.

Figure 29   

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.