BELL SYSTEM PRACTICES
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 Feb
04,2012 12:09:24
SECTION 502-580-405
Issue
3,
November 1975
Page 1
