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ATT Spirit 308/616 Expansion Unit Communications System Installation Instructions

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    Page 1 AT&T SPIRIT® Communications System Model 308/616 616 EXPANSION UNIT INSTALLATION INSTRUCTIONS The SPIRIT Communications System controller provides service for up to three incoming lines and eight telephones. This expansion unit doubles the line and telephone set capacity of the system. Installation and wiring of the complete system is explained in your Customer Installation Instructions. What You Should Find in The Expansion Unit Box: Expansion Unit Three 7’ line cords n STEP 1 Unplug the System...
    Page 2 n STEP 4 Connect the Grounding Wire Adjacent to the cable on the expansion unit is a grounding wire. While still holding the expansion unit in your left hand, insert the grounding wire into the small eyelet hole just to the right of the interface connector on the control unit. This wire must be connected to ensure lightning protection. GROUNDING WIRE n STEP 5 Mount Expansion Unit on Controller Position the expansion unit next to the 308 controller. Carefully insert the four edge tabs of the expansion...
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