On Networks N300RM User Manual - Manual (Page 13)

Hardware Setup
13
N300 WiFi ADSL2+ Modem Router (N300RM)
Two-Line ADSL Microfilter
Use an ADSL microfilter with a built-in splitter when there is a single wall outlet that provides
connectivity for both the modem router and your telephone equipment.
 To use a two-line ADSL microfilter:
1. Plug the ADSL microfilter into the DSL outlet on the wall.
2. Plug your phone equipment into the jack labeled Phone.
3. Plug the wireless modem modem into the jack labeled ADSL.
Plugs into the DSL line
Figure 6. Two-line ADSL microfilter with built-in splitter
Cable Your Modem Router
The installation guide that came in the box has a cabling diagram. This section walks you
through how to cable your modem with detailed illustrations.
 To cable your modem:
1. Put an ADSL microfilter between the phone line and the phone as shown here. The
illustration shows a two-line ADSL microfilter with a built-in splitter. The phone plugs into
the Phone jack as shown.
ADSL Phone
Line
2. Use the included phone cable with RJ-11 jacks to connect the ADSL port (A) of the modem
router to the ADSL port (B) of the two-line ADSL microfilter.
CAUTION:
Incorrectly connecting a filter to your modem router blocks your DSL
connection.