AT&T Bell System 1A Manual

eEu svsr1:M
PRAcJds
AT&TCo Standc:m:I
A HOME INTERPHONE SYSTEM
Fig. 1-1A Home lnterphone Installation
SECTION 512-510-200
Issue 8, August 1978
1. GENERAL
• Show 730A Receiver MD
1.02
Thissectioncontainsinstallationandmaintenance o Show 664A Transmitter MD
information on the lA Home Interphone
System which has been rated Manufacture Discontinued • Rerate 761A Loudspeaker A&M Only
(MD) along with most of the components. This
information should be retained for existing installation
only.
2. INSTALLATION
1.02
This section is reissued to:
Planning
• Show 51A Control Unit MD
e Show 759A Loudspeaker MD
2.01
When planning lA home interphone installations,
consider the following.
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A. Page 1