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Parts Checklist
Make sure your package includes the following items:
Telephone Jack Requirements
To use this phone, you will need an RJ11C (for a single line) or a RJ14C (for two lines) type
modular phone jack, which might look like the one pictured here, installed in your home
or office. If you don’t have either modular jack, call your local phone company to find out
how to get one installed.
VERY IMPORTANT: In order to achieve full system operation (i.e.
intercom, page, etc.), Line 1 must be connected and must be
common to all phones connected to the system. Only other 25423,
25424, 25425, 25413, 25414, 25415, 25403 and 25404 models are
compatible for full system operation. Connecting phones other
than the 25423, 25424, 25425, 25413, 25414, 25415, 25403 and
25404 to Line 1 may inhibit the intercom and paging operations.
For proper operation of intercom, page function, etc., DO NOT
connect a DSL modem to Line 1.
To transfer a call from one station to another, the two stations
should be connected to the same line.
Base
Handset Handset cord Line cords
AC power
adaptor
Connections & Setup
Modular
telephone line
jack
Wall plate