ZyXEL Communications IES-2000, Руководство пользователя

Страница: 57 / 304

IES-2000/3000 User’s Guide
Hardware Overview 3-15
Step 5.
Connect the telephone wiring from the end-user’s DSL modem(s) to the lower ports of MDF 3.
Step 6.
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.
Step 7.
Connect the wiring on the other side of the Telco-50 cable to the lower ports of MDF 2 using a punch-
down tool.
Step 8.
Connect the upper ports of MDF 2 to the lower ports of MDF 1 using regular telephone wires.
Step 9.
Connect the upper ports of MDF 1 to the telephone company.
Step 10.
Telephone subscribers only (that is, non-DSL subscribers) retain connections to the lower ports of MDF
1.
Step 11.
Change the wiring from MDF 1 to MDF 3 for telephone subscribers who want DSL service.
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).
Users A and B have telephone (only) service.
Table 3-20 Two Separate MDFs for End-user and CO Connections
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.
User A still has telephone service only. User B now has telephone and DSL service (see the
following figure)