Bell System 220A Installation Manual

BELL SYSTEM PRACTICES
Plant Series
SECTION 502-320-100
Issue 5, October 1968
AT & TCo Standard
HAND TELEPHONE SET-220A, 1220A, AND 2220B
IDENTIFICATION, INSTALLATION, MAINTENANCE, AND CONNECTIONS
1. GENERAL
1 .01
This section is reissued to:
• Include 2220B hand telephone set
• Add H5AD (message waiting lamp) handset
cord, D5AL and D5AN mounting cords
(associated apparatus or equipment)
• Show handset cords are ordered separately
• Remove reference to dials, networks, receiver
units, and transmitter units as being replaceable
components
• Include test procedure for hand telephone
set
Since this reissue covers a general revision, arrows
ordinarily used to indicate changes have been
omitted.
2. IDENTIFICATION
2.01
The 220A (Fig. 1), 1220A, and 2220B (Fig. 2)
hand telephone sets are components of the
dial-in-handset
TRIMLI~Ke.:
telephone sets. The
hand telephone set is a complete telephone set
except for the handset cord and the ringer and line
switch which are housed in a telephone base.
ORDERING GUIDE
Set, Telephone, Hand, 220A-*
Set, Telephone, Hand, 1220A-*
Set, Telephone, Hand, 2220B-*
(a)
Replaceable Common Components:
• Lamp, 53B
• P-25E803,
~umber
Card Retainer
• P-28E320, Light Seal
• Form, E5002A (number card)
(b) Associated Apparatus or Equipment: (order
separately)
• Cord, Handset, H4DB-*
• Cord, Handset, H5AA-*
• Cord, Handset, H5AD-* (Equipped with
message waiting lamp)
• AC1-* Telephone Base
• AD1-* Telephone Base
• Cord, Mounting, D5AL-*(AD1 Base)
• Cord, Mounting, D5AN-*(AD1 Base, retractable)
• 2012A Transformer (for other suitable
transformers, see section on transformers)
(c)
Customer Instruction Booklet:
•
G~-2426
(220A)
• GN-2433 (1220A)
• GN-2441 (2220B)
*Refer to Table A for color selection.
3. INSTALLATION
(a) Planning-When planning the installation
of a hand telephone set together with its
companion base, consider the following:
• Safety for yourself, customer, and maintenance
personnel.
• Location-A 120V, 60 Hz power receptable
must be available, not under the control of
c :\
mcrican Telephone and Telegraph Com pan;;. 19()?-:
Printed in l'.S.A.
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