Bell System 500LM/MM Service

AT&TCo Standard 1. GENERAL SERVICE 500L/M AND 500LM/MM TELEPHONE SETS 1.01 Reissued to add 500LM/MM telephone set (modular), Fig. 4. NOTICE Not for use or disclosure outside the Bell System except under written agreement Printed in U.S.A. BSP 502-580-405-i03_1975-11-0l.jpg Scanned by Frank Harrell, {Cowboy Frank) Castle Rock, Colorado F ...

12,3,5,7) LINE SWITCH (NOTES 4 AND 6) (S) -lt 7-TYPE (MD) OR 9-TYPE DIAL (BL) A (BK) 6 AI (Y) 5;:;: ----O-----ii---P---eQ-----------ii-------------R[*1;S; -------irnT(s_-_GUl--V!d @) $11 (S-W) *e 3 .r ,.,. ™ C2! n. n. ˜ ...

PROVIDE SEPARATE RINGER NOV[: FROI4 • (BK) RINGER LEAD F e (S) STRAP LEAD L2 e (Y) MTG ...

OR 9-TYPE DIAL (NOTES 1,2, F 3,5, 7) TIP (G) — '\. (BK) RR ” K (R) " L2 0 RING (R) I “ "' c ' A (Y) + AI (BK) G O i • n. (BK) J  n. (II) R – (R) v ;" Ž(II) GN "\_ .'·· NOTES: I. SET WIRED FOR IAI OR IA2. TO PROVIDE SEPARATE R ...

625A I D4BU CONN,BLK MTG,CORD (NOTE 8) ;,. (G) • JACK 425E NET. RINGER LINE S\IITCH (NOTES 4 AND 6) 7-TYPE (MD) OR 9-TYPE DIAL I 623D4 4228A OR C4-TYPE !iii (NOTES I ,2, @. ½ (¾ G !..._ ) _JW---0-_;gj(3), 5*,!_c7 )!.._---11--------Mf----_..:(_ BL_:)_--., I I "\_ (BK) + Q RR ¿À----ÁÂiià ...