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6
Installation
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Attach one end of the line cord to the jack labeled Line on the back of the
telephone base, and attach the other end to the wall jack.
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Attach one end of the line cord to the left line jack on the expansion module
and the other end to the wall jack.
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You can attach a headset to the headset jack on the back of the VN12DDS and
VN24DDS telephones. A Headset feature key is required for operating the
headset. See “Headset (VN12DDS and VN24DDS only)” on page 22 for more
information.