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Installation 2-5

Common Splitter and Microfilter Configurations

Common Splitter and Microﬁlter Conﬁgurations

This section describes the most common scenarios using splitters and microﬁlters with the

Cisco 1407 and Cisco 1417 routers. The scenarios are listed from most common to least

common.

Telco-Installed Splitter

This scenario is described below and illustrated in Figure 2-2.

• The splitter is installed by the telephone company on the customer premises. This type

of splitter is also referred to as a network interface device (NID).

• The router and telephone are on separate lines (twisted pair) to the splitter.

• The router and telephone share the same telephone line (twisted pair) to the telco.

• Microﬁlters are optional and should be installed only if they improve telephone call

quality.

Telco-Installed Splitter

Splitter (NID)

To telco

Cisco 1407 or Cisco 1417

Optional

microfilters

22144

Actual wall of building

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Cisco 1417 - 1417 Router - EN Manual de usuario Pagina 5