Advertisement
Quick Links
BELLSYSTEM PRACTICES
SECTION 502-320-100
Plant Series
Issue 4, November 1967
AT&TCo Standard
HAND TELEPHONE SET--220A
AND 1220A
IDENTIFICATION,
INSTALLATION, MAINTENANCE,
AND CONNECTIONS
1.
GENERAL
• Dial, 80B2A (1220A)
1.01
This section
is reissued
to:
• Form,
E5002A
(number
card)
• Add
piece
part
information
for
dial
face
• Lamp,
53A
cards
(1220A
only)
• Lamp,
53B
• Add piece
part
number
for
dial hub
cover
(220A only)
• Network,
854A (220A)
• Add ivory
(-50) and red
(-53)
to color
list
(Table
A)
• Network,
861A (1220A)
• Add information
on 53A dial lamp
• P-22F5*
Card (1220A
only)
• Show
LB1 receiver
unit replaces
LA1
• P-25E803,
Number
Card
Retainer
e Remove
reference
to
2160A
dial
lamp
•P-28E320,
Light
Seal
transformer
• P-88E0*
Cover
(220A only)
Since this reissue
covers
a general
revision,
arrows
ordinarily
used
to
indicate
changes
have
been
omitted.
• Receiver
Unit,
LA1 (early
models)
2.
IDENTIFICATION
• Receiver
Unit,
LB1 (current
models)
2.01
The
220A and
1220A
hand
telephone
sets
• Transmitter
Unit,
T1
(Fig.
1
and
2)
are
dial-in-handset
type
telephone
sets.
These
sets are complete
telephones
except
for
the
ringer
and
line switch
which
are
(b)
Associated
ApparatusorEquipment
(order
housed
in a telephone
base.
separately)
ORDERING GUIDE
• ACI-*
Telephone
Base
Set, Telephone,
Hand
220A-*
• ADI-*
Telephone
Base
Set, Telephone,
Hand
1220A-*
02012A
Transformer
(for
other
suitable
(a)
Replaceable
Components
transformers,
see section
on transformers)
• Cord,
Handset
H4DB-*
• Cord,
Handset
H4DB
• Cord,
Handset
H5AA-*
• Cord,
Handset
H5AA (required
for tip party
• Dial, 10A (220A)
identification)
© American Telephone and Telegraph Company, 1967
Printed in U.S.A.
Page I
Advertisement
