The RJ-14---sometimes written without the hyphen as "RJ14"---is a six-contact telephone cable capable of sustaining two telephone line signals at once. Using the RJ-14 may be necessary depending on your hardware, but from a convenience standpoint, wiring an RJ-14 can save you space and potential clutter by allowing you to run one line instead of two. Use an RJ-14 splitter or combiner to wire two telephone lines to a single RJ-14 cable.
- Skill level:
- Moderately Easy
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Things you need
- RJ-14 splitter or combiner
Insert one standard, four-contact telephone line into the RJ-14 splitter or combiner's "Line 1" or "L1" port.
Insert the second telephone line into the RJ-14 splitter or combiner's "Line 2" or "L2" port.
Insert one end of the RJ-14 cable into the RJ-14 splitter or combiner's remaining available port. This port will be labelled "RJ-14" or "Line 1 + Line 2."
Insert the other end of the RJ-14 cable into your telephone signal port. This is the port to which you previously could only connect one telephone line.
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