Bell 502-521-402 Service Manual

BELLSYSTEMPRACTICES ADDENDUM 502-521-402
AT&TCo Standard Issue 1, June 1982

SERVICE

500C/D AND 500D/M TELEPHONE SETS

CONNECTIONS

1. GENERAL 2. CHANGESTO SECTION

1.001 This addendum supplements Section 502- 2.001 On Page 1, add paragraph 1.03 as follows:

521-402, Issue 4. Place this pink sheet ahead

of Page 1 of this section. 1.03 Telephone sets not marked "I-PTY" are

1.002 This addendum is issued to show 500DM tele- nections. Sets marked "I-PTY" cannot be used for

phone sets manufactured after 6-1-82 will be multiparty service connections. If service other than
marked (under or near the date code) "I-PTY". This individual or bridged ringing is required, a 500D2M
marking indicates the set cannot be used for base, housing and handset must be ordered separate-

multiparty service connections, ly.

adaptable for all classes of line and ringer con-

Not for use or disclosure outside the

NOTICE

Bell System except under written agreement

Printed in U.S.A. 1 Page

Page 1