Bell System Practices 851 Identification, Installation, Connections, And Maintenance page 23

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SHEET I
ISS 8, SECTION S03-601-101
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NOTES:
1, CONNECTIONS FOR PIB RINGER 9-la..tl. RI~ER CONNECTIONS FOR SETS EQUIPPED Willi
PIA RINGER SAME AS PIB EXCEPT (5) AND (S--R) LEADS ARE INSUlATED AND STORED.
(Bl) LEAD ROOVED f.ROH CURRENT !«lOB.. PIA RINGERS.
2. \otiEH USING SPEAKERFtiONE, ROOVE (G) LEAD FROM TERM 2
ANO CONNECT TO TERM F. REPLACE 8RA DIAL WITH BCA DIAL
AND
CO~ECT
(Y) LEADS TO TERMS 15 AND 17. SPEAKERPHONE LEADS R1(C-V) Atfl
T1(VG) ARE INSULATED Atll STORED IN SETS MANUFACT\JRED AFTER JUlY ZO, 1979.
!liEN INSTAlllt«> SPEAt<ERPtiONE, CONNECT THE R1(G-V) TO TERMINAL B Atll THE
T1(V-G) LEAO TO NENlRK TERMINAL RR
' 851CM TELEPHON( SETS ARE SHIPPED WITH G1'iA HAhllSET ANO THE H4DU HAhDSET COFI>.
4 . FOR
~fri.IAl
SERVICE HWE (Bl) FROM F TORR TERMINAl Ahll MOlE (W) FROM R TO GN
TERMINAl. OIAl REMAINS ON SH.
• I NSUlA TEO Ahll 5 TORED
0 p-
01Al PULSE
ON-
Off NCR\Al
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Fig . 28-851 CM Telephone Set, Connections (Sheet 2 of 2)
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