Viking's Universal Telecom/Paging Interface allows you to provide paging from nearly any phone Relay Contacts: 30V DC@1A, 110V DC@0.3A, 125V AC @0.5. The Viking PI-1A Universal Telecom and Paging Interface allows you to provide paging from nearly any phone system instead of from a microphone.View and Download Viking PI-1A product manual online. Telecom Paging Interface, Interface Your Paging System PI-1A recording equipment pdf manual download. The PI-1A features a built-in voice activated (VOX) relay which provides DPDT contacts for muting background music during paging. User Manual: Viking PI-1 Universal Telecom / Paging Interface Technical Information VIKING System User Guides, Manuals and Brochures.
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