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Related Manuals for Bell System Practices 1500D
Summary of Contents for Bell System Practices 1500D
- Page 3 SECTION 502-502-101 NOTES: LINE SWITCH OFF HOOK SEQUENCE: CLOSES ( 2) CLOSES OPENS (41 fQ OPENS SET FACTORY WIRED FOR RING PARTY. REFER TO TABLE D FOR CLASSES OF SERVICE NOT SHOWN. ( ) INDICATES CURRENT COLOR CODE ( ) INDICATES MD COLOR CODE WITH 2!5A3 DIAL Fig.
- Page 4 SECTION 502-502-1 01 25W3 DIAL INSIDE M2A(MD), NET. WIRE M280R PIA TERMS. RINGER (NOTE I) TIP (G) (BK) 500D. IBLI (0-BKI WITH 25W3 DIAL 24000 NOTES' I . IBLl RINGER LEAD FURNISHED ON PIA RINGER ONLY. lSI LEAD MAY APPEAR ON TERMINAL L2 IN SOME SETS.
- Page 5 ISS 1, SECTION 502-502-101 TABLE B COMPONENT ORDERING GUIDE* TABLE C POLARITY GUARD CONNECTIONS FOR TELEPHONE SET REPLACEABLE 1500D AND 1554B TELEPHONE SETS COMPONENTS 1500D 15548 DISCONNECT CONNECT Cord, Mounting D3BN FROM LEAD Dial 25W3 25W3 POLARITY NETWORK NETWORK 25A3t...
- Page 6 SECTION 502-502-101 TABLE D LINE AND RINGER CONNECTIONS FOR 15000 TELEPHONE SET TIP PARTY INDIV RING WIRE OR LEAD COLOR IDENTIFYING GROUND PARTY BRIDGED I DENT GROUND lOOO ! l 26SO!l Mounting Cord at Connecting Block Ringer (BK) Leads (S - R) Line Switch ( W ) [ S -W ] (BR) [S-BR]...
- Page 7 ISS 1, SECTION 502-502-101 TABLE E LINE AND RINGER CONNECTIONS FOR 1554B TELEPHONE SETS TIP PARTY INDIVID RING WIRE OR LEAD IDENTIFYING GROUND NO IDENT. PARTY BRIDGED GROUND 10000 2650() Line Wire Ringer Leads • • (Note) • Line Switch * Insulated and stored.
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