Efficient Networks SpeedStream 5667 Quick Start Manual page 3

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Devices such as fax machines, caller ID boxes, or phones that share the same phone number as your DSL
account require a line filter, which prevents modem noise from disrupting the DSL signal on the phone line.
Filters can be in the form of a stand-alone line filter or a wall mount filter. A filter can also be plugged into
a two-to-one adapter if your DSL modem will share the same phone jack with another device.
Stand-alone Line Filter
For each device that shares the DSL phone number:
1. Unplug the device's cord from the phone jack.
2. Plug the filter into the phone jack.
3. Plug the phone cord (or other device cord)
into the filter.
Wall Mount Filter
For a wall mount phone, install a wall mount filter:
1. Remove the phone.
2. Connect the wall mount filter to the wall plate.
3. Reconnect the phone.
Two-to-One Adapter
If your DSL modem and another device will share the same phone jack, install a two-to-one adapter:
1. Plug adapter into the phone jack.
2. Plug a line filter into one of the sockets of
the two-to-one adapter. The other socket will
be used to connect the DSL cable.
3. Plug the telephone (or other device) cord
into the line filter.
Install Line Filters
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