Bell System Practices 830 Connections page 4

(831 OM AND 2831 OM TELEPHONE
SETS ONLY
l
INSULATEO ANO STORED
*
t NETWORK TERMINAL
TERMINAL ON BLUE PLUG OF �UNT
f
DEAD DRESSED
§
SPARE TERM NAI OR 0-161488 CONNECTOR
"'T I
STRAP BETWEEN TERMINALS
�
** ON 108AA LOUDSPEAKER SET ONLY
WllliOUT RINGER CUTOFF
WITH RINGER CUTOFF
AUXILIARY RELAY OPERATION
NOTES:
I, 0-R) LEAD IS DEAD DRESSED IN
(
2. If POWER IS SUPPLIED fROM KEY EQUIPMENT CONNECT BUZZER PAIR
(Y-O). (0-Y) TO
( R -G), ( G -R) LEADS
OR
161488 CONNECTORS. BE SURE TO 0 1 SCONNECT BUZZER AND
0-
REMOVE M2fG CORD fROM 223A (MD) OR 2230 ADAPTER.
3 ( R ) AND ( G ) CONDUCTORS ARE NOT TERMINATED IN PLUG OF M2FG CORD;
ONLY (BKI AND IYI
(!')AND@ OPTIONS CANNOT BE USED SIMULTANEOUSLY.
4.
5 IF TELEPHONE SET WITH NEW LINE SWITCH (IDENTIFI E D
LEADS] IS USED, MODIFY TELEPHONE SET AS SHOWN IN
BSP S12·740·470·i06_1979·09·04.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
TELEPHONE SET
(NOTE
830- OR 2830- OR
831-TYPE 283
Gt
RRt
NG CORD
I
AND 12
6
TO
��:��y
OF 223A (MD) ADAPTER.
PLUG
IN I6
M C (MD) OR M16H CORD USING SPARE TERMINALS
CONDUCTORS ARE USED.
BY TWO ADDITIONAL
TABLE
Fig. 2--.4A Speakerphone System Arrangement, Connections to 10- or 20-Button Telephone Set.
Feb 23,2012 22:44:23
M16C
OR
5)
M16H
- T Y P E
CORD
1
( N OTE
-3·
41
10
( W - 8 R)
S O
( B L-R)
�:
Gt
( o - w )
*
*
M
2
1
: �
c
� g T E 3
3
I I
4 4
43 >
( B LI
A.
2
4 2
28 ) �----�
(O-R
I
4 I )---.
223A OR
2230
ADAPTER
( N OTE I
l
VOL
(0-W)
( W -0) AG
7
R·RI-K4B
2 0 >- -- - -+
( B R-W) BL-K5M 1 7
I 1
I
T
P 4- R
(G -W)
l
AC
( R -G)
;;. , :
'
7
.·
7
.
. · . ·
.. .
.
2 9
. ..
.
680 -
TYPE
TRMTR
VOL
2
· ·
2 0
. .
..
•
( O -W)
27
12
3
+6.2
7
' '
" '
'
. .. . . .. .
'='«->�