pdf WECo-701A-711A-Dial PBX Bc Popular
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WECo-701A-711A-Dial PBX_bc.pdf
Plant Training School (PTS) document. Details included in the formal drawings are omitted from this training drawing for reasons of emphasis.
711A/B are "satellite PBXs" without attendant equipment, typically connecting to other PBXs by tie trunks and to the public network by CO trunks. The B versions are 2nd generation systems, using different circuits than shown in this document.
Includes SD-80643-011 5D Ringing Circuit, SD-66359-011 9D Selector Circuit, SD-66384-011 19D Misc. Alarm Circuit, SD-66410-011 Linefinder Circuit, SD-66143-011 16D Connector Circuit, SD-66414-011 9D Station Line Circuit, and SD-66607-011 4D Trunk Circuit.
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