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10
Installation
ˆ
Installation
Installing your phone is easy, but it is impor-
tant that you follow the instructions in the se-
quence that they appear in this manual for
the telephone to work properly.
PLANNING YOUR SYSTEM
To take full advantage of many of the sys-
tem’s features, you must have four telephone
lines with separate phone numbers. Howev-
er, you can choose to connect the system to
only one, two, or three telephone lines.
You can connect the system to two-line mod-
ular telephone line jacks, or you can connect
it to single-line jacks. If you use single line
jacks, you must also use an optional two-line
coupler available at your local RadioShack
store.
Notes:
• Your system is for tone lines only. If your
telephone service is pulse type, check
with your telephone company about
changing to tone service.
• Your system connects directly to a mod-
ular telephone line jack. If your tele-
phone wiring does not have a modular
jack, you can update it yourself using
jacks and adapters available at your
local RadioShack store, or have the tele-
phone company update the wiring for
you.
• The line that connects the telephone
jacks to the telephone company's wiring
must be twisted-pair cable. Otherwise,
you might experience interference
(crosstalk) between telephone lines.
• The USOC number of the two-line jack
to be installed is RJ14C (or RJ14W for a
wall plate jack). The USOC number of
the single-line jack to be installed is
RJ11C (or RJ11W for a wall plate).
Before actually starting the connections, plan
your system accordingly.
1. Identify the number of stations you need
(maximum is 12).
2. Determine which outside lines connect
to which stations (maximum 4 per sta-
tion).
3. Decide which stations require a private
line (see “Setting the Private Line” on
Page 16).
SYSTEM COMMUNICATION
The system uses Line 1 to transmit informa-
tion such as system and line use status, as
well as up to two simultaneous intercom con-
versations.
Lines 1 and 2 must be common to all sta-
tions. Lines 3 and 4 can be common to all or
some of the stations.
Note:
If Line 1 is disconnected, you can still
make and receive phone calls on the other
lines, but the phones will not work as a sys-
tem.
Square Configuration
When all lines are all common, the configura-
tion is called
square
. Since all lines are com-
mon, calls on any line can be transferred to
any station.
Non-Square Configuration —
Private Line Support
When all lines are not common, the configu-
ration is called
non-square
. Depending on
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