Bell System Practices TOUCH-A-MATIC 2872A1M Identification, Installation, Connections, Operation, And Maintenance page 31

ISS 5, SECTION 503-603-101
" $TABLE E (Contd)4
CONNECTIONS - 2872AIM OR 2872A2M TELEPHONE SET WITH
ONE-TOUCH CALLING USING 4A SPEAKERPHONE
.....
. , , ,
CONN
LEAD TEL CABLE
82B
SET AT KEY
APPARATUS .... CONN.
EQUIP.
BLK
_
(NOTE 1 )
DESIG COLOR FROM TO PSB COLOR TO
TERM.
, . . .... . , , . . , ,, .
CE BL-BK 10
B+ BK-BL 15
.....
D-180492
Kit SHa R-BL 16
of
Parts LK BL-R 17
SHi G-W 18
PFR BL-V 2O
VDD W-G 21
BR-V *
85B1 AC1 BK AC1
Power
Unit V-BR *
AC2 Y AC2
BL-V *
95B-Type AC1 R 21
Power
Unit
V-BL *
AC2 G 46
= , ii , , ......
Note 1 Plug mounting cords of telephoae set, 108-Type loudspeaker, and 680-Type transmitter
into 82B connecting block. Install option plug in ringer cutoff mode.
Note 2. For 1A1 or 1A2 KTS, connect link between 2 and A1. For 1A KTS, connect link between
19 and A1.
• Insulated and stored.
t Terminal on network.
Page 31