Issue 5D, Drawing Issue 19D. PBX Systems No. 701A or 711A, Station LIne Circuit of individual, 2-party selective or 4-party semi-selective lines with or without restricted service.  No. 552A, 552D, 605A, 606B, 607A, 607A or 608A Jack Circuit.  Purpose: This circuit is used to establish a connection between a PBX station and a line finder, a connector, an attendant or a tie trunk.

Plus appendices 1D, 2D, 3D, 4D, 5D, 6D, 7AC, 8D and 9D.  Scan provided by Bruce Potter.

Local 1 Ring Connector, Issue 27.  This is only the second of an unknown # of pages, showing primarily Figure 1. Connector Circuit.

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.

Computer Maintenance and Administration Support.