BELLSYSTEM PRACTICES
AT&TCo Standard
SECTION 503-100-120
Issue 4, August 1978
581A
1.
TELEPHONE SET BASES
GENERAL
• Cord, mounting,
D10R-* (specify
length)
[when rotary dial set is used with 1A1 or
1A2 KTS and 3B (MD) or 4-type speakerphone]
1.01
This section contains identification, installation,
connections,
and maintenance
information
for the 581A telephone
set bases.
The 581A
telephone set base (Fig. 1), component parts furnished
with the base and a 6TA or 6UA rotary dial (Fig. 2),
ordered
separately,
are designed
for assembling
into a customer-supplied
housing and handset.
1.02
This section
is reissued
* Add appropriate
(modular
or 6UA (Gold)t
color
t Includes card holder
screws (Fig. 2).
®dial).
suffix.
assembly
and three
or
Equipment
(3)
mounting
2.02
• Add 840401723 inside connector
Optional
(ordered
Apparatus
separately):
and 840401731
connector
• Revise Fig.
17, and 18
6TA (Chrome)t
• D-180460 Kit of Parts (TOUCH-TONE
to:
• Add D-180778 kit of parts
cord jack)
outside
• Dial,
• D-180409
1, 2, 3, 4, 6, 9, 11, 12, 14, 16,
Kit
of Parts
• D-180461 Guard
2.03
(241B Amplifier)
Assembly
(Polarity
Guard).
Features:
• Add Fig. 5, 8, 10, 13, and 15
• Revise
Tables
• Add Tables
A through
• Standard
components
which
provide
an
operative
telephone
circuit when properly
assembled
within
an appropriate
housing
and handset
G
H and I
Since this reissue covers a general revision, arrows
ordinarily
used to indicate
changes
have been
omitted.
• Components
provide a single line, rotary
TOUCH-TONE
dial telephone
set
or
• Provisions to add 241B amplifier, TOUCH-TONE
dial, and polarity guard (optional).
2.
ORDERING GUIDE
3.
INSTALLATION AND CONNECTIONS
Base, Set, Telephone, 581A (Fig. 1)
3.01
2.01
Associated
(ordered
Apparatus
separately):
• Cord, Mounting,
• Cord, Handset,
or
Equipment
D4BU-29
H4CJ-*,
The customer's housing must be an acceptable
housing to accept standard components.
The
premises
must
be wired
with an appropriate
connecting
block or jack in order to accept the
D4BU-29 plug-ended
mounting
cord.
Acceptable Telephone Set Housings
6 feet
• Cord, Mounting,
D6AA-*
(specify
length)
(required when candlestick
type telephone
is installed)
3.02
Older acceptable housings carry an acceptance
stamp located on bottom which reads "This
Enclosure Conforms To Drawing B-69650r'.
Space
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A.
Page
1
SECTION
503-100-120
4228 NETWORK
LINE
SWITCH
P1A RINGER
i
1
623P4
JACK
._
_._.,
5
/6
2
3
"_"
4
8
LEGEND
1 -- 581A
23--
Telephone
Set Base
7-
U3 Receiver Unit
T1 Transmitter
Unit
4 -
840401723
5-
84041731
Connector
Connector
6-
840401673
Screw(s)
8Inside
Outside
2
840153290
Note:
Lead Assembly
Lead Assembly
(BK)
The _'eceiver and transmitter
loose with
base.
1_581A
Items 4 through
Telephone
Set
Required
(R)
loose and packaged as parts group
must be ordered separately.
Fig.
Page
840153274
Base
for Desk
Ca_diestick
Set O_ly
units are shipped
8 are also shipped
840151054°
and
Parts
Dial
Group
ISS 4, SECTION 503-100-120
Fig. 2m6TA
or 6UA Dial and Associated Parts
for the reviewing
telephone
companys
name and
their assignment
number is also provided.
Newer
housings carry the marking "Bell System Identification
#. This enclosure
conforms to Bell System Voice
Communication
Technical
Reference
CAK."
Note:
Inspect the customer's
telephone
set
components
before accepting them for service,
Be sure he is aware of any missing or defective
components found. All components
and wiring
furnished
as part of the customer's
housing
must be removed
telephone
company
customer.
prior to installation
of
parts and returned
to the
Nonconforming Housings
3.03
Housings which do not carry the acceptance
stamp
or identification
number
must be
modified
by the local Western
Electric
Service
Center
to accept
these
standard
Bell System
components.
Components
and wiring removed by
Page 3
SECTION 503-100-120
the service
customer,
Assembly
3.04
center
should
be
returned
to
the
3.06
(Desk Set Type)
Install
follows.
581A
Remove
upper
customer-owned
Telephone
Set
housing
housing.
from
Base
When the customer's antique-decorator
housing
is intended to be used with TOUCH-TONE
service, install a D-180460 Kit of Parts.
as
base
3.07
Position
581A telephone
set base on base
of customer's
housing,
ensuring
that
the
ringer volume control is accessible through opening
of base.
(3)
Fasten 581A base using four screws, furnished
with
set or screws
furnished
with
the
housing. A typical installation in a customer-owned
desk set type housing is shown in Fig. 3.
Rotary
Dial
(ordered
Refer to Table B for dial connections.
of
(2)
3.05
separately).
If a polarity guard is required in conjunction
with a 35Y3A TOUCH-TONE
dial, install a
D-180461 guard assembly, which consists of guard
assembly,
brackets,
screws, and a printed
wiring
board assembly.
The polarity
guard is installed
when specified by local instructions
for end-to-end
signaling purposes when battery and ground reversals
are encountered.
Refer to Fig. 4 for location and
Table C for connections.
3.08
Kit
Mounting
cord
(ordered
and modular
jack
using
of Parts.
(1) Install
6TA (chrome)
or 6UA (gold) dial
(Fig. 2) using three screws furnished
with
_'_n_
New
dial.
(2) Refer
_
a
to Table
Kit
(1)
(2)
(1)
TOUCH-TONE
Dial
(D-180460
of Parts),
ordered
separately.
A for dial connections.
581A
623P4
bases
mounting
separateIy)
a D-180778
come
equipped
cord
with
jack.
l-
\
4
4
7
_
TI TRANSMITTER
.
Fig. 3--Typical
Page 4
Installation, Desk Set Antique--Decorator
Housing
i,
ISS 4, SECTION 503-100-120
TABLE A
(1) Mount 623P4 jack
network as shown
ROTARY DIAL AND
HANDSET CONNECTION
WIREOR LEAD
COLOR
6-Type
Dial
Handset
Cord
CONNECT
BL
F
BL
W
RR
R
W
GN
R
BK
W
R
B
GN
W
R
TO
(2)
Connect
rearrange
and jack bracket
in Fig. 5.
to the
the four 623P4 jack leads
and
network leads as shown in Table
D.
(3) Thread one end of the D4BU mounting cord
into the set and plug into 623P4 jack as
shown in Fig. 5. For connections
refer to Table
E or F.
TABLE B
TOUCH-TONE DIAL AND HANDSET CONNECTION
WIREOR LEAD
COLOR
35Y3A
Dial
Line Switch
Handset
Cord
3.09
Handset
Cord
(ordered
REMOVEFROM
CONNECTTO
G
--
F
RR
BK
--
R-G
--
R
R
W
---
T
GN
BL
--
B
O-BK
--
C
W-BL
--
S
R
GN
S
R
--
T
BK
W
--
w
-
separately).
_
B
s
R
(4)
Connect white
place unit in
leads
cavity
to U3 receiver
unit,
and replace
receiver
(1) Lay the set end of H4CJ handset
cord on
top of mounting
cord and secure cord stay
cap.
to bracket
(5) Snap inside and outside connectors
on T1
transmitter
unit and terminate
red and black
handset
leads (Fig. 3).
on base as shown
(2) Connect leads to appropriate
(Table A or B).
(3) Remove
transmitter
in Fig. 5.
network
and receiver
terminals
caps from
cord leads through
handset openings,
feeding
Insert and
handset
two customer-owned
white leads into handset.
receiver cavity
red
and black leads into transmitter
cavity,
_g_
The
transmitter
and
receiver
_
conducting
surfaee.
Transmitter
shah
be inand contact
with
reeeiver not caps
transmitter
receiver
elampinK
surfaces
units,
and
any
and
in
Page 5
SECTION 503-100-120
840561810GUARD
ASSY
contact
receiver
with
unit
the
transmitter
shall
be made
or
of
insulating
material
such as plastic
or rubber.
Lacquer
or paint
shall
not be used
to provide
insulation.
D-180409 Kit of Parts, Optional (Desk Set Type)
3.10
$!_i_:ii!iii
....
_4
When
the shape
of the
lips mount
separately)
a D-180409
Kit of
and install as follows.
(2) Mount amplifier
to brackets
furnished
in kit of parts.
840:560408
BRACKET
TAB LE C
POLARITY GUARD CONNECTIONS FOR TOUCH-TONE
TELEPHONE SET D-180461 GUARD ASSEMBLY
DISCONNECT
FROM
NET.
BK
Line
BR*
Switch
W+
623P4
Line Cord
Jack Assy
R:_
Polarity
Guard
G
W
CONNECTTO
NET.
POLARITY
GUARD
RR
T
C
S
..........
RR
C
* If wired for bridged service or ring party.
+ If wired for tip party with no identification ground, 1A1 KTS,
or 1A2 KTS.
:_If wired for tip party with identification
Page 6
(ordered
with
screws
(3) Connect amplifier
into telephone
circuit in
accordance
with Table G for rotary dial and
Table H for TOUCH-TONE
dial.
Fig. 4--Installation Location of Components to Add
Polarity Guard Feature
Dial
Parts
(1) Install the three 241B amplifier
mounting
brackets
at location shown in Fig. 7, using
screws furnished
with kit of parts.
840169254
BRACKET
COLOR
handset
grid 2-7/8
inches
furtherof away
the speaker's
places
the or
center
the T1from
transmitter
unit
....
LEAD
customer's
ground.
ISS 4, SECTION 503-100-120
HANDSET
CORD
MOUNTING
CORD
HANDSET
CORD
STAY
.......
6234P
JACK
Fig. 5mlnstallation
Assembly
3.1 |
(CandIestick
Convert
as
of Mounting Cord Using D-180778 Kit of Parts
3.'12
Type)
customer's
candlestick
baseplate
(1)
housing.
(3) Lift
and
dial
mounting
dial by removing
plate
(6) See
dummy
3.15
for
handset
handset
Set
Base
as
from
581A base (current
cord
cord
cover
base.
from
bottom
from
(3) Mount line switch to customer's
actuator
toward terminal
board.
set
with
remove
two screws.
(4) See 3.13 for 6-type dial installation
(5) Remove
Remove line switch
model only).
(2) Remove square snap-in
of candlestick
mounting
screw
off
Telephone
screws which secures
to candlestick
(2) Remove dial bracket retaining
elongated
hole in baseplate.
dummy
581A
housing
follows.
(1) Remove four mounting
Install
follows.
(4) A typical
telephone
installation
of a candlestick
set is shown in Fig. 6.
type
procedures.
from
(5) If 581A base (subset) is wall mounted,
ringer
volume
control
to "LOUD"
attaching
subset to wall.
base.
adjust
before
installation
procedures.
Note:
When disassembling transmitter housing
avoid grasping the horn. When reassembling,
make sure nut at pivot point is properly
keyed,
_
f&
When 581A base is mounted
on a wall
or other
vertical
surface,
the base
should
be flush
against
sur£aee
£or
proper
operation
o£ PIA
ringer.
(6) See 3.14 for
procedures.
mounting
cord
installation
Page 7
SECTION 503-100-120
\
/
X_
',
/
H4CJ
HANDSET
-/
)
(1_
CORD
"l
I
m
LEADS FURNISHED
WITH PARTS GROUP
u
I
840151054
(FIG.
_
I )
581ATELEPHONE
//
-._.._
BASE
"_..
\
L
_
/_/_,,,
_
_
\"
LINE SWITCH
(REMOVED
FROM
581A BASE
)
"_._
\ _
__.._TE
_ _
MINAL
"',..L/_
_......I
Fig. 6--Typical
/
(SUPPLIED
" :
.......................i
':'_:.
"....
L/.
"
COY ER ( SU PPLI ED
BY CUSTOMER)
D
AM IFIER
Rotary
Dial
(ordered
separately).
__
(1) Install
6TA (chrome)
or 6UA (gold) dial
(Fig. 2) using three screws furnished
with
_j,_
(2) Conneetcustomer's
dial leads desk
to terminal
stand set
bloek
as furnishedwith
shown in
::z::.
Fi .17.
3.14
840560390
BRACKETS
Page 8
".
SW)
BY CUSTOMER)
3.13
__
Fig. 7--Installation
BOA
SET
LINE
IN SUBSET
Installation of Candlestick Type Telephone Set
840560408
"<:_
......
z/ss_:_ii!::
_._:_::_:,::::_::...............
DSBN MTG CORD
OR INSIDE
WIRE
/ "/_'
(LESS
MOUNT
of D-180409
Kit of Parts
Mounting
Cords
(ordered
separately).
(1) A standard
D3BN mounting
cord is required
for connections
between
the line wire,
connecting
block and the 581A base network
terminals
unless inside wire can be terminated
directly in wall mounted subset. A D6AA mounting
cord must be used to provide the connections
between
the 581A base and customer's
desk
stand set, except for party line service where a
D10R mounting
cord is used when tip party
identification
is required.
ISS 4, SECTION503-100-120
(2) Install set end of D3BN and D6AA mounting
cords to 581A base, secure cord stay and
route cord as shown in Fig. 5. D6AA cord can
lay on top of D3BN cord.
3.16
Handset
Cord
(ordered
and
Ringer
Connections.
(1) For all classes of service refer to Table E
or F.
(3) Terminate cord leads at network terminals.
Wire connecting block end of D6AA mounting
cord to appropriate terminal block terminals
furnished with customer's desk stand set (Fig. 17
or 18).
3.15
Line
(2) The ringer volume control is blocked from
off position by a factory placed stopscrew.
To enable ringer cut-off feature, remove screw
through access hole in top of ringer gong. Advise
customer of cut-off position to avoid future service
calls.
separately).
(1) Install set end of H4CJ handset cord in
opening located in base of customer's desk
stand set housing and secure cord stay to base.
(2) Connect two white leads to terminal block
located on desk stand base (Fig. 17 or 18).
(3) Remove transmitter and receiver caps from
customer-owned set. Insert handset end of
cord through opening in receiver handle and
terminate two white leads to U3 receiver unit.
Insulate and store the red and black handset
cord leads at the terminal block and receiver
unit (Fig. 17).
(4) Connect the red and black leads furnished
with 840151054 parts group items 7 and 8,
(Fig. 1) at terminal block in base of desk stand
set, extend leads toward transmitter unit.
(3) To permanently silence ringer for all classes
of service, refer to Section 501-259-101.
3.17
Disconnection
of Customer-Owned
Telephone
Set Housings:
Disconnected
customer-owned telephone set housings should be
disabled by the removal of all Bell System components.
4.
MAINTENANCE
4.01
Maintenance is limited to those components
installed as part of the telephone set base
group or listed in the Ordering Guide as replaceable
components.
Maintenance of housing, handset,
and other customer-owned parts is the responsibility
of the customer.
4.02
(5) Snap inside and outside connectors onto T1
transmitter unit and terminate red and black
leads (Fig. 3).
(6) Refer to Read, 3.09 for transmitter
receiver unit insulation,
and
Refer to appropriate section for maintenance
covering a particular item such as dials or
ringers.
4.03
Refer to connection figures as an aid in
locating and clearing trouble.
Page 9
SECTION
503-100-120
INSIDE
WIRE
G25-TYPE CONN.
BLK. (NOTE 4)
TIP
(G)
G_
(G)
RING
(R)
R_
(R)
GRD
(Y)
Y_
(BK)
Be
D4BU-29
MTG
CORD
(NOTE 1)
< (
>
,,<
,,
(Y) .,<
,,
(BK) ,,
.,<
>
>
>
I
I
NOTES:
1. NOT FURNISHED WITH TELEPHONESET
BASES, ORDEREDSEPARATELY, SEE
ORDERING GUIDE
2. 840401723 INSIDE CONNECTORAND
840401781 OUTSIDE CONNECTORWITH
SCREWTERRINALS SNAP ONTO TRRTR UNIT
3. PART OF D-180788
KIT OF PARTS
4. IF STATION IS EQUIPPED WITH 548-TYPE
JACKS A 1A CONVERTERIS REGUIRED
* INSULATED AND STORED
(R)
(Y)
(BK)
Fig. 8--581A
Page
10
Telephone
Set Base With
D-180778
Kit
of Parts
(Rotary
Dial,
Current
Version)
(Sheet
1 of 2)
ISS 4, SECTION 503-100-120
LINE
SWITCH
NETWORK
U3 RCVR
UNIT
DIAL
L1
d
F
e
(BL)
(BL)
g
f
\
]
RCVR
T1 TRMTR
UNIT
)
c
(BR)
b_l_
(Y)
aT (s)
TRMTR
_K
A
(R)
(Y)
(_)G _S
(BK)
(_L2 (Z) T
Fig. 8--581A
Telephone Set Base With D-180778 Kit of Parts (Rotary Dial, Current Version) (Sheet 2 of 2)
Page 11
SECTION
503- 100-120
............
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iiiiiiiiiiii
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(NOTE
I}
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i'iiiiiiill
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iiiil;iiiil
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LE.O iiiiiiiiiii
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.OlO
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..CJ _
DIAL
(NOTE I)
_l(
.___
/
--
iiiii ASSEMBLIES
iiii!iiiili
iili!i
LINE
iiiiiiiiiii
SWITCH
iliiii
iiiiiiiiii!
ii!i!iii!i!
!!!!!!!!!ii fl
iiiiiiiiii
iiiiiliiii
_
R
iiiiiiii
82461245l
iil;i_iii
iiii!iiii;i
R_
iiiiiiii
824612451
ii!i;i!ii!i
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;!i!;!;!;!;
,._, iiiiiiiiii
iiiiiiiiiii
;iiiil
G
i;i;i;i;i;i
iiii!ililil 824615548
il;;i "X"
iiiiiiiiii
(2)
iiiiiii_i_i (P-46J554)
i]iiiiiiiii
(R)
iiiiiiii!ii!
;.,,
iliiiiiiiii (P-4605521
9;9;_]!
iiiiiiiiiii
!i!i!;!;!;!
(BK)
i_i!iiiiiii
]:i:i:i:]!i!
(BL)
_
i_
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-(2) _iii_i
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(P-121952)
CONN
UNT
I
(_.._._N____
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O_.ECE,VE.
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i
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i!iiiiiiiiill I
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et
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DSBN
MOUNTING
;i;i;iii;i;
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[____.
L2(_//*STRAP
I
i;iiiiiiiill
CORD
(NOTE
I)
(G_
iiiiiiiiiiii
::::::::::::
......
_iiiiiii_iii
_ooo
_ooo,._o_
.........................
'"' iiiiii:iiiii
iiiiiiiiiiii
i_i_]_iii;ii
;;ARINGER(NOTE2ANDS)
*
K-
ililili?iiii
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...........
NOTES:
I.
NOT
2.
ORDERED SEPARATELY,
SEE ORDERING
WIRED FOR RING
PARTY SERVICE.
5.
PIA
FURNISHED
RINGERS
WITH
TELEPHONE
MANUFACTURED
ARE NOT PROVIDED
WITH
")(" INSULATED
AN D STORED
4010B
NETWORK
12
AFTER
BASES,
GUIDE.
10-1-72
RINGER
LEADS.
ONLY
Fig. 9--581A
Page
(BL)
SET
Telephone
Set Base and
Component
Parts, Connections
(Rotary
Dial,
Early
Version)
ISS 4, SECTION
TABLE
503-100-120
D
LINE JACK CONVERSION
WIRE OR LEAD
623P4
Jack
Strap
Line Switch
Ringer
l
COLOR
REMOVE FROM
R
--
CONNECT TO
A
G
--
L1
y
_
G
BK
--
L2
BK
L2
Y
L2
A
BK
G
L1
TABLE
A
E
LINE AND RINGER CONNECTIONS
(ROTARY TE LEPHONE SET)
INDIVID
WIRE OR LEAD
COLOR
Inside Wire
at 625-Type
Conn Blk
623P4 Line
Cord
Jack Assy
Ringer
Line Switch
• Insulate
OR
BRIDGED
TIP PARTY
RING
PARTY
NO IDENT
GROUND
IDENT GROUND
1000,.Q 2650,Q
R
R
R
R
R
R
G
G
G
G
G
G
Y
BK
Y
B
Y
B
Y
B
Y
B
Y
B
R
A
A
L1
F
F
G
L1
L1
A
L2
L2
Y
BK
G
L2
G
L2
G
L2
G
*
G
*
R
K
K
K
K
K
S-R
*
*
*
*
L1
*
....
S
*
*
*
L1
BK
L1
G
G
G
G
Y
A
A
A
L2
L2
W
F
F
F
B
B
and store.
Page
13
SECTION
503-100-120
INSIDE
WIRE
825-TYPE CONN.
BLK. (NOTE 4)
(R)
D4BU-29
RTG
CORD
(NOTE 1)
RING
(R)
R _
_ _
_
TIP
(G)
G (_(
A1
(Y)
Y_
(Y)
G) _< _
•
A
(BK)
B_
(BK) _ _
< <
(R)
> (_
>
I
I
NOTES:
1. NOT FURNISHED WITH TELEPHONESET
BASES, ORDEREDSEPARATELY, SEE
ORDERING GUIDE
2. 840401723 INSIDE CONNECTORAND
840401731 OUTSIDE CONNECTORWITH
SCREWTERRINALS SNAP ONTO TRRTR UNIT
3. PART OF D-180788
KIT OF PARTS
4. IF STATION IS EQUIPPED WITH 548-TYPE
JACKS A 1A CONVERTERIS REQUIRED
* INSULATED AND STORED
Fig.
Page
10--581A
Telephone
Version) (Sheet
14
Set Base, Wiring
1 of 2)
for 1A1,
1A2 KTS Using D-180778
Kit of Parts (Rotary
Dial, Current
ISS 4, SECTION 503-100-120
NETNORK
DIAL
U3 RCVR
UNIT
A
(R)
(R)
_
•
K
_L
\
)
RCVR
TI TRMTR
UNIT
B
TRMTR
(BL)
(G)
(BK)
(Y)
_
F
(BL)
DP
®s
(BK)
,2
(2)
T
Fig. 10--581A Telephone Set Base, Wiring for IA1, 1A2 KTS Using D-180778 Kit of Parts (Rotary Dial, Current
Version) (Sheet 2 of 2)
Page 15
SECTION
503-100o 120
i:::::::::
B-TYPE
iiiiiii LEAD
DIAL
i::ii:: ASSEMBLIES
(NOTE I)ii::ili::i::i
/
:]:!:!:!::
i::iii::iiil
840151062
::::::i::::::::i::
LINE SWITCH
::i::i::i::iii
!iiiiiiiii
iiiiiiiiii (_,iiiiiiiiii
!::i::i::;ii::
824612451
i::i::;ii::ii
'
R
::i::i::iii::i
(P-46J_'45)::i::i::i::i::i
_,
"_
::iiiiiiiii 824612451
4010
OR
4228-TYPE
NETWORK
(W)
::;i;i;ili;
i
iiii'_ (o)
iiii
...........
!ii!iiiii-X-
i::ii:: B"4615348
!i::i!i::iii(P-46J 534)
iii!i!i!i!
!::i::i:i::ii
H4CJ
::i::i::i::i::!
HANDSET
iiiiiiiiiii
I
CORD
i:i:i:i:i:
::i::i::::::::i!
U3
::::!::::::::::ii RECEIVER
::i::ili::i::i
i::i::ii::i::i(NOTE I)
i::i::i::iii::
iiilil
!i_i
UNIT
;ii!;!i!;i;
(w) iiiiiii
iiill
i::i::i::i::i]
Ca :::!:!:!:!:
i;ili;i;i;(P-46J245)
G
_!i_ii_iii
iiiiil
::::::i::
::;::?:?:!iii
G
(W)
i_;i_ii_ii_i_i
::i::::::::::
i
:_i:ilili:
Jilili
i
_:;:_:_:_
" _(BL'];_-_
k:_:_:_:_:_:
::::::i::::::::::i
I
_;;_I
::::::i::iii::::
(P-121952)
_::_::i::!::!::
::!::i::i::ili
:!:!:i:!:!
::iii::iii::iI
ii::i::iiiil I
...........
::i::
ii::il
CONN
iiiiii_i_iASS EMBLIES
iiilii
(R)
iii::i::i::::::i
::::i:::::::#:
i::i::i::;::i::
TRMTR
::::::::i::::::::
B0,2,932o
ii;::;i;ii
.....
+;...........
i:i:i:;:i
UNiT
::::::::::::::::::::
ii!!!i!i!i
ca
iiii::::i!::i!
i_,i',i'_iiii
1_
(w) !',!i!!iii
i',;ii';;
::::::::::::i::::i
L-r1
i::i::i::i::i::
(R)
.oo,,_,_o
oo_o_
(NOTES lAND
2)
i::ii!::::::::::
ii!iii
D4BJ
!iiiii MOUNTING
ii::i::i::i, CORD
iiiiiiilil
DIOR
i::!::!i!i!::MOUNTING
::_::i::i::_ii CORD
iiiii
LEAD
!::i::i::!i!iiDESIG
ii::ii_i_ii!
::i::i_i::i_i
::i_i::i::i::i
e
i',!i!ii!!!i
i!!i
iii!i
!i
!!
i!!!ii!iiiiiiiii
d
iiiiiiiiiii
iiiiiiiiii
iliiiiiill
(_
i!i!i!i!i!
!!iiiiiiii
iiiiiiiiiiiiii!!
iiiiiiiii!
i!ii_i
ii
(DR-W)
W
i !ii!i
:!
Ci_i_
i!!iiii!ii
iiiiill
_
iii_i!i
!iii!
iiiiiiiiiii
(G)_
ililiiiii
(R) 31_i_i_ii
iS-W) iiiiiiiiiii
R
BB
PIA
_,i',i_,'_,
i
(R)
iiiil;iiii(G) iiiiii_i(W-S) iiiiiii
(W-DR)iliiii
ill
T
T,
i!iiiiiiill R,
',i_,',
iii',;ii',
(DR)
ii!i!_,',_ii
1 _'__
iiiiiiii!
iiiiiil; (Y)
',iii_iiii
(w-o)
iiiiiii;;il
AG
i!iiiiil
(W'G)_
iiiiiiiiiA
!iliiii
iiiiiiiiii
(Y)
iiill
i!iiiii!i3i
(G-W)
iiiiiiiiiil
A.
i',iiiiii',
iii_iii_i',
o-r- (_)iii_i',iii_
iiiiiiiiii
iiiiiiiiii
(O-W)
iiiiiiiiiii
LK
!ii!ililil
.:.:.:.:.:
::::::::::if::::::
iiiiiiiili
(W-BL)
iiiiii!iii
( BL- W )
iiiiiii!iii
:::::::::::
::!::iii::i::!::
P4
:.i:.ili:.::::::
!!::!::i::!::i
..........
. .......
b
!il;iiiiiiii!
o_':c%
iiiiiiii;ii
:::::::::::
i::!::i::!!!::!
-
RI N GER
NOTE 4 AN D 5 )
5oo_ 5oo_ ,6_o_
(R)
(BK)
::!::i::i::::::!!
!/_/_/_
.....
i
P3
]i_::i::i::i::i
......
.......
::i!i::::::::::_
N0TES :
:::::::::::
_-
_
W
(BK)
ili!i!!i!iii!
i
I.
i::i::::ii::::::::
i!::?:i::i::!::
:::::::::::
NOT
SET
SEE
i::i::i::ili::i
...........
..
.........
:!:!:i:!:!.
iiiiiililil
IF ONLY "A"
LEAD CONTROL
IS
REQUIRED
USE A D4BJ MOUNTING
CORD.
IF "A" LEAD PLUS SPEAKERPHONE
IS REQUIRED
USE A
DIOR
MOUNTING
CORD.
LEAVE (S)
LINE
SWITCH
LEAD
2.
3.
FURNISHED
WITH
BASES
ORDERED
ORDERING
GUIDE.
TELEPHONE
SEPARATELY,
4.
PIA RINGERS
MANUFACTURED
AFTER
I0-1-72
ARE NOT PROVI DED
WITH (BE)
RINGER
LEADS.
5.
WIRED FOR
RINGING.
INDIV
-X" INSULATED
AND
+
4010B
NETWORK
OR BRIDGED
STORED.
ONLY
TERMINI_TED
AT L2 WHEN D4BJ
MOUNTII_G
CORD
IS USED.
Fig.
Page
11--Wiring
for
Version)
16
1A1,
1A2
KTS
or
3-TyPe
(MD)
Speakerphone
and
1A1,
1A2
KTS
(Rotary
Dial,
Early
ISS 4, SECTION
Fig.
12--Wiring
for
1A1,
1A2 KTS or 4-Type
Speakerphone
and
1A1,
1A2 KTS (Rotary
503-100-120
Dial)
Page
17
SECTION
503-100-120
INSIDE
MIRE
625-TYPE CONN. D4BU-29 J
BLK. (NOTE 4)
RTG
J
CORD I
(NOTE 1) I
TIP
(G)
R_
(G)
>
(G)
RING
(R)
G_
(R) _,,
,, <
> (_
(BK)
GRD
(Y)
Y(_
(Y)
>
(BK) B (_
< <
_, <
(BK),,.,<
I
)
I
NOTES:
I. NOT FURNISHED MITH TELEPHONESET
BASES, ORDEREDSEPARATELY, SEE
ORDERING GUIDE
2. 840401723 INSIDE CONNECTORAND
840401731 OUTSIDE CONNECTORWITH
SCREWTERRINALS SNAP ONTO TRRTR
UNIT
3. PART OF D-180788
KIT OF PARTS
4. IF STATION IS EQUIPPED WITH
548-TYPE JACKS A 1A CONVERTERIS
REQUIRED
* INSULATED AND STORED
(Y)
Fig.
Page
13--581A
Telephone
1 of 2)
18
Set Base Using a D-180778
Kit of Parts (TOUCH-TONE
Dial,
Current
Version)
(Sheet
ISS 4, SECTION 503-100-120
LINE
SWITCH
NETWORK
DIAL
(G)
H4CJ
HANDSET
CORD
(NOTE1)
U3 RCVR
UNIT
L1
(BK)d
e_
(G)
,_
(W)
_
(G).
(BK)m
(BK)
(R-G)
(R)
v e
w
x
(BK)
(eL)
'_(_R)
B(
c
(W)
(BK
b
A
(W)
(R)
(O-BK)
(W-BL)
(R)
(Y)
(8K)
K
G
L2
Fig. 13--581A Telephone Set Base Using a D-180778 Kit of Parts (TOUCH-TONE Dial, Current Version) (Sheet
2 of 2)
Page 19
SECTION 503-100-120
Page 20
ISS 4, SECTION
TABLE
LINE AND
RINGER
(TOUCH-TONE
503-100-120
F
CONNECTIONS
TELEPHONE
SET)
INDIVID
TIP PARTY
RaNG
,DENT
GROUNO
WIREOR
LEAOCOLOR OR PARTY
NO,OENT
B.,oGEo
GROUNO
1000_2650_
/
' i
,
,
R
InsideWire
at 625-Type
Conn Blk
623P4 Line
Cord
Jack Assy
G
,,
,
, ,
,
R
R
R
R
R
G
G
G
G
G
Y
Y
Y
Y
Y
Y
.....BK
' B
B'
B
B
B
A
L_
....
Ringer
Line Switch
,
R
A
G
L1
L1
c
C
A
L2
L2
Y
G
G
G
G
G
BK
L2
L2
L2
*
*
R
K
K
K
K
K
S-R
....
S
*
*
*
*
L1
*
_.
*
*
*
L1
BK
L1
G
G
G
G
Y
A
A
A
L2
L2
W
F
F
C
B
B
BR
C
C
F
F
F
I
• Insulate
and store.
TABLE
TABLE
(OPTIONAL)
(D-180409
G
(OPTIONAL)
241B AMPLIFIER
CONNECTIONS
KIT OF PARTS) ROTARY DIAL
f
D-180409
Kit
of Parts
H4CJ
Handset
Cord
(Set End)
241B AMPLIFIER
CONNECTIONS
KIT OF PARTS) TOUCH-TONE
DIAL
,,,
WIRE
OR
LEAD
(D-180409
H
REMOVE
COLOR
R
FROM NET.
........
BK
CONNECT TO
WIRE OR LEAD
241B
AMPLIFIER
NET.
4
R
1
B
R
R
2
BK
B
3
COLOR
REMOVE
FROM
D-180409
Kit of Parts
H4CJ Handset
Cord (Set End)
CONNECT TO
241B
AMPL
R
4
R
BK
1
B
W
R
TB-1
TB-2
5
2
BK
B
3
W-BL
TB-1
5
35Y3A
R
TB-2
2
Dial
G
TB-3
6
BL
B
3
R
TB-1
5
W
TB-3
6
Line Switch
NET.
Page
21
SECTION
503-100-120
INSIDE
WIRE
G25-TYPE CONN. D4BU-29
BLK. (NOTE 4)
RTG
CORD
(NOTE 1)
TIP
(G)
R_
(G)
-," ,,,,
RING
(R)
G_
(R)
_ _
A1
(Y)
Y(2)
(Y)
_, _
A
(8K)
B(_
(BK)_,
<
_,
(G)
>
I
(BK)
I
NOTES:
1. NOT FURNISHED WITH TELEPHONESET
BASES, ORDEREDSEPARATELY, SEE
ORDERING GUIDE
2. 840401723 INSIDE CONNECTORAND
840401731 OUTSIDE CONNECTOR
WITH
SCREWTERRINALS SNAP ONTO TRRTR
UNIT
3. PART OF D-180788
KIT OF PARTS
4. IF STATION IS EQUIPPED WITH
548-TYPE JACKS A 1A CONVERTERIS
REQUIRED
* INSULATED AND STORED
(R)
(R)
(Y)
(BK)
Fig.
15--Wiring
for
1 of 2)
Page 22
IAI,
IA2
KTS Using
D-180788
Kit
of Parts
(TOUCH-TONE
Dial,
Current
Version)
(Sheet
ISS 4, SECTION 503-100-120
LINE
SWITCH
NETHORK
H4CJ
HANDSET
CORD
(NOTEI)
DIAL
U3 RCVR
UNIT
(S)
(BK)
F
j,j; _)
(G)._
(BK) _
I
_
P
-
v
l
I
v
(BK)
"U
: "_ •
.RJ_ (R-G):
T
_
:
(W)
,
-
R
_
I
(R)
[
v
_AI
v e
x
_,_
(G)
,,
B(),
-
(BL)
(R)
(W)
i
(R)
_A
(BK)
K
®
L1
"I..
(O-BK)
i
' ,'_ T. I
(BK)
(R)
_[..
(_,.(o_)I _o
(BK)
i
(H-BL)
(w)
<
._ !'
×fl, (_)
(BK)I
I TRRiR
Fig. 15--Wiring for 1A1, 1A2 KTS Using D-180788 Kit of Parts (TOUCH-TONE Dial, Current Version) (Sheet
2 of 2)
Page 23
Page 24
ISS 4, SECTION
Fig. 17--Candlestick
Type Telephone
Set Connections
(With
D6AA
Mounting
503-100-120
Cord)
Page
25
SECTION
503- ! 00-120
:.:.:.:.:.
_"" "'_
LINE
WIRE
iiiiiiiii 42A
iiiiiiiii CONN
iiiii!ii}iD3BN
iiiiiiiiii
i!iii_ii!i
HTG CORD(_ES)
ii_i_iii
eLK
i:E:i:i:i
:i:i:i:i:
iEiiiEiii
ii!iiiiii
ORINSIDE_
..........
iEiEiiiiii
WIRE
ii_iEii_Ei
4010
DESK STAND
!ii!iiiii!
.........
.........
OR 422e-TYPE
NETWORK
::::::::::
iiiiii!iii
.....................
....................
iiiiiiiiii DIOR
i;iiiiiiii MTG
iiiiiiiiii 6-TYPE
iiiii!i!il DIAL
:}ililiiiii
......
...............................
::::::::::
..........
iiiiiEiiii
(NOTE 2 iiiiEiE!!i
i!i!i!!i!iAND 6) iiiilM
!ii!i!!!ii TERM. BLOCK
iiiiiii!ii (FURNISHED BY
:!:_:!:i:F
i_iEii_i
iEi_i_iii"
"""....
...........
:::::::::::
i_iiiiiiiii
iiiiiiiiEi!
:::::::::
:::::
:::::-
iiiiiiii:
_ii!iii!!_
_i_iCi_!
....................
..........
•....
:....................
:::::
/
.........
.....
iiiiiiiil
i:_:i:i::
.iiEEii_E_
..................
iiii!iiiil
:.:.:.:.:.
!!ii!iii_i(W-G)
iii!!i
!i!i!)!!!i
!;!;ii!;!;
iiiilEi!!i
iiiiii]i!!
ii)iiiii)
iiiiii!iii
:::::::::
.:.:.:.:.
E:E:E:E:E
:::::::::
:E:E:E:E:
:::::::::
...................
))i!)!iii
...................
:::::::::
ii)i)i[ii
:::::::::
E!EEEEEEE
I
EEEEEEEEiE
iE!_E_EEEE
:::::::::
:.:.:.:.:.
...................
i_E_i_Ei
I!EiEEiEiE
EiE_IE_EE
:E:E:E:E:E
:.:.:.:.:
.....................
:::::::::
::::::::::
:::::::::
::::::::::
)i_ii_)_)_
\
::::::::::
::::::::::
::::::::::
i:E:E:E:E:
:E:E:E:E:E
::::::::::
..........
::::::::::
:'::':':"
iEE!EEiEEi
::::::::::
::::::::::
(BR-W)
ii!i!iEiii
_
::::::::::
i)iiiiiii)
::::::::::
E:E:E:E:E:
(W)
iiiii!i
"......... _)
)i)i))ililc_
(w-s))i)))i!)i)
)i)i))]i)i
II
_
i!Ei!EEEE!
i)iii)i!
)i)i)'ilil
'
iiiiiiiill
!_!_]:!:! L_
iii!iiii!
:!:!:i:i:i
:!:3:!:!:i
( - _ iiii))))i!
(G)
(Y)
iiiiiiiii
GRD
:::::::::!i!ii_i_!
_
::::::::::!!)!!!!
:::::::::
..........
(Y) !!!!!!!!!!
iiiiiiEii!iEi!_i
G_STRAP'(BK'_
"
i_iiEiiii
..........
E:!:E:i:E !!iiiii!ii
...................
iii)ii
i...................
.........
_i
1
I
(BL)
_K
,_/-';'kA
!!i! 'W-O'
i!i!i!i!i!i!i!ii
..........
iiiiiiiiii:':':':':'i_i_iiiiil
"
_
:):))):i)
..........
i;i;i:);i;_:_:_:_:_
i)i)ii))) EEiEEEiEEE
))iiil)))i
:_:_:_:_:
)i))iiiiii
ili)i!ii!
)i)_!_iC
1650_
i]iii!!]il
(R)
i))))))))
EIE)E)E)E)
EEEEEEEiEE
;iiiEii;ii
)E)EiE)E)E
Ei_iEiEiEi _
:!:!:!:!:!
)i))i)i))i)
(P-121932)
i)))))
TI TRMTR
_!_E!EEEEE!801219320
}_:!!!!:_
ili_iiiiiiiCONN
ASSY
i!i!iiiii]i
,
.
Page
26
Telephone
(
Set Connections
UN IT
@
(R)
i_i_i_)_i:
T
::::::::::
))))))i))i
i:_:!:!:i
iEEEi)EE!E
)ilili)]):
]!iil]!!il
..........
!!!!i!i!ii
i_i_i_i_i_
:_:_:_:_:_
_:_:_:_:_:
*
_i_)_!_i_i
*
Type
f
i))!)iil)!
)))i)))i)) ))iil)))))
INSULATE AND STORE (S-W)
LEAD.
LEADS FURNISHED WITH 840151054
PARTS GROUP.
WIRED FOR TIP PARTY SERVICE WITH I O00.Q, IDENT GRD.
PIA RINGERS MANUFACTURED AFTER 10-1-72
ARE NOT
PROVIDED WITH {BL) RINGER LEADS.
NOT FURNISHED WITH TELEPHONE SET BASE, ORDERED
SEPARATELY, SEE ORDERING GUIDE.
c
b
)))))i)))))
H4CJ
))i)il
i))))i)i))i
HANDSET
!)i))i
ii))iii)i)i (NOTE
CORD 6)
iiiii!iiiil
ii))) U3 RCVR
iiii!iiii]i
UNIT
_:::::::::::_:_:_:_:_
;m;_;_m_
.....
......
_!! (w)
(NOTE 4 AND 5)
LINE SWITCH REMOVED FROM 581A TELEPHONE SET BASE
AND INSTALLED IN CUSTOMER-SUPPLIED DESK STAND,
Fig. 18mCandlestick
Cord)
iii)ii_i);
j
i'iiiiiiii::::::::::iiiiEiiiii
(S)
::::::::::
NOTES:
6.
:::::
_L
lk
::::::::::
:.:.:.:.:.
)i)))i!i)i
...........
E_)E!EE)E)
)))))))))
-_
(BL)
'iiiii')ii;.(o)
:i:!:_:!:! (Y)
I;)E)E);I)
iiii)i)i)i
i!!!!i!i!i
iiiiil)!il
:.:.:.:.:
))))))i)) ::::::::::
))))))))))
iii))ii_ ii!!))iii)
)ii))))ii E)EiE)i)E)
:!:i:i:_
...........
_:_:_:_:_
:_:_:_:_:_
.........
_
..........
;)_);)_)_)
:E:i:E:E:i
_
iiiiiilili
.........
i_iiiiiiii
i!!_!i!iii I
_
)iiiiii)i
iiiiiiiiii )ii)iiiiil
sooa
g
)))))))))))
--i
.......... iiiiiiil
_
iiiiiiiii
G
i_i_i::ili.':
T'P
..........
!N
::::::::::
..........
::::::::::
E:E:E:E:E:;
:':':':':
::::::::::
..........
iiiiii)ili_
:_:i:I:E:i:
i:E:!:!:!:
:E:]:E:E:E
E:E:E:i:E:
)))]))i)))
:i:S:E:E:E
E:E:E:!:!:
(G)
i!iiE_ii]i
:i!E!)!i!i:
:E:E:i:_:E:
::::::::::
:::::::::::
.....................
::::::::::
:E:E:!:E:E:
:E:i:E:E:E
:':':':':':
::::::
......
:.:.:.:.:.:
....._)
...........
)_)_!_i_i_
........................
2.
3.
4.
5.
(BK) !iiiii!ii
,....
::::::::::
..........
"-'.'-'.'.
q
:_:_:_:_:
B _
)))!)))))
_ :!:E:E:E:!
)))))))))
.............................
:i:i:E:E:
i_i_)_)_i
_
e
..........
i!ii!iiB_:!i!:.!!ii!i
_:!:i:i:i:i
:!:!:i:i:i
DP i)iii)i)i)i
!;i11_ii_i
))))))))))
..........
(W-BR) iii!iiiiii
_
R
...................
..........
iiiiiiii
I,
(BK)
.I.
:::::::
il)iii!)(G-w)
_;_
(R)
ii)_)i)!)
i)i)_)_]_)iiiiiii_ii
:i:!:i:!
...........
iEEEEEEEE
:E:!:E:E:
_
2
LINE SWITCH
(NOTE I)
)EiE)i)Eii
LIE#;
(BK)
::::::::::
iiiiii)ii) _:_:_:i:i_
_i
-x.-
INSULATED AND STORED.
DP
- DIAL
NETWORK ONLY
PULSE CONTACT
ON
- DIAL
OFF NORMAL CONTACT
Wired
!)))!!))))i
_.
for Tip
Party Identification
(With
DIOR
Mounting
ISS 4, SECTION
TABLE
MODIFICATIONS
503-100-120
I
FOR 1A1 OR 1A2 KTS
NET. TERM.
LEAD
Line Switch
623P4 Line Cord
Jack Assembly
Ringer
COLOR
REMOVE
FROM
CONNECT
TO
S
A
L2
Y
A
L2
BR
C
G
G
L1
A
W
F
C
G
L1
F
BK
L1
F
Page 27
27 Pages