AT&T Plant Series - Connections; AC1 Base Wiring Diagram; Wiring Diagram Notes and Color Codes

.,,
Cl
IQ
~
0
ACI TEL EP H ONE BASE
1220A HAN D TELEPHONE SET
LINE SW IT CH :,:,:::;':
2J If
H4DB,HSAA
OR HSAD
HANDSET
CO RD
JACK
RE C ALL
SWITCH
861 A NET WO RK
~)[1J!i1
( dL)
(0) ]]
(G)
TIP
(G)
~LI
lo I
RING
1 ~ I Ci'JL 2
PIA RINGER
(N OTE S)
( BK)
soon
1
(B L)
(N O TE 3)
J
~
(BK )
soon
b
(Y)
(S)
*
Gl
I
1650n
r: a
(S-R)
R)
*
S TRAP
f
(R )
T
K
-0c
NOTES:
HAND SET CO RD
(Y) [W) I
2
( • • -· ) 4 ) I I ~-,-
MESSAGE
WAITING
L AMP
(N O TE 4)
•
[ Y)
, 5 (
~ 5
(Y)
IR l
• , 3 (R) [ R) 3
~::~::?~
::;::::::~
I. S TATI ON GROUND MAY BE O MITTED IF NOT REQUIRED F OR SE RVI CE; N OT REQUIRED FOR PROTECTI ON OF
(-)
o 1 AL L 1 GHT TRANSFORMER. nm T 6 T s
2. LIN E S WI TCH O FF-HO OK SE QUEN CE
be CL OS ES
de CL OS ES
ob O PEN S
jk CL OSES
3. DI SCO NNE CT (BL) LE AD FR OM B TERMINAL WH EN HSAA CORD IS USED AND TIP I DENT IFYING
GROUND IS NOT PR OV I OED , IN SU LATE OR STORE ON llNUSED TERMINAL
4. LAMP AN D R ES I STOR ARE PART OF HSAD CO RD O NL Y, ( ME SS AGE WAITING FEATU R E).
(Y) LEAD IS NOT TE RMINATED IN SET PLUG. S EE TABLE G FOR CO NNE CTIO N ATACI TELEPHO NE BASE.
5. SE T WIRE D F OR IN D IVIDUAL OR BR I DGED SE RVI CE , FOR ALL OTHER PARTY SE RVI CE
REFER TO RINGER CO NNE C TI ON TABLE.
( ) CO L OR CODE H4D B CO RD
[ ) COLO R CODE HSAA OR HSAD CO RD
* INSU LAT ED AN D STO RED
80B2 A D IAL
DI AL
LIGHT
Fig. 14- 1220A Hand Telephone Set and ACl Telephone Base, Wiring Diagram
0
c)
.0
0
0
RC VR
(W)
0
(+I
0
Vt
m
n
-4
0
z
UI
0
l>.J
•
w
0
.jlo
I
-
0
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