A. system wiring tables, Connector pin assignments, System 25 building wiring – AT&T System 25 User Manual
Page 287: Appendix a: system wiring, Connector pin, Assignments, T a b l e s, Appendix a. system wiring, See appendix a of this manual for details), Appendix a: system wiring tables
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APPENDIX A:
APPENDIX A:
System Wiring Tables
Connector Pin Assignments
Table A-A lists the lead designations and pin assignments at the 25-pair
connectors on the system cabinets.
System 25 Building Wiring
Table A-B lists the 25-pair and 4-pair cable color codes, voice and data terminal
lead designations, and connecting block terminal punch-down information.
A-1
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