Cisco 1700 series Configuration - Page 14

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Cisco 1700 series Configuration
Using POTS Splitters and Microfilters
Figure 7
customer. Other types of POTS splitters are installed by the telephone company on an exterior wall of
the customer premises.
Figure 7
Microfilters
Microfilters are installed on telephones to improve voice-call quality when voice and data equipment are
using the same telephone line (twisted pair). You should use microfilters with the Cisco 1700 series
routers only when the two following conditions exist:
•
•
Figure 8
Figure 8
o phone
Common Splitter and Microfilter Configurations
This section describes the most common scenarios for using splitters and microfilters with the
Cisco 1700 series routers. The scenarios are listed from most common to least common.
Configuring an ADSL WAN Interface Card on Cisco 1700 Series Routers
14
is an example of a type of POTS splitter that is installed at the customer premises by the
POTS Splitters
DAT A
To
The documentation for the telephone(s) you are using with the router states that microfilters should
be used with the phone.
Poor telephone call quality can be resolved by installing a microfilter on the phone line.
shows one type of microfilter.
Microfilter
VO ICE
To wall jack
To wall jack
OL-3317-03