Sennheiser SD series - Installation Manual

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Sennheiser Headset Installation
Overview
EHS30 Included Contents
EHS30
3.5MM DC Jack
RJ12 Cord
RJ45 Cord
EHS30 Ports
RJ-12 Port for IP Phone EXT/EHS or Expansion Module
Operation LED
3.5mm DC Power Jack
RJ-45 Jack
Headset Base and Phone Ports