Bell System Practices TOUCH-A-MATIC 2872A1M Identification, Installation, Connections, Operation, And Maintenance page 11

ISS 5, SECTION 503-603-101
D-180492 KIT OF NETWORK
PARTS {OPTIONAL)
CAPTIVE MEMORY
MOUNTING SCREWS
MOUNTING HOLES FOR
D-180492 OR D-180494
KIT OF PARTS (OPTIONAL)
KIT OF
PARTS {OPTIONAL)
TERMINAL AREA
55-TYPE DIAL
ONE-TOUCH CALLING SWITCH OF D-180493
CAPTIVE MEMORY KIT OF PARTS OR FEATURE SWITCH OF
MOUNTING SCREWS D--180818 KIT OF PARTS (OPTIONAL)
Fig. 4--2872A2M Telephone Set--Dial Removed To Show Terminal Area
one-touch calling option cannot be turned off (2) Make connections per Table G.
by the subscriber.)
(3) Mount the kit assembly to the chassis with
(5) Make connections per Table C, E, or F. the screws provided (Fig. 4).
(6) Break off the detail at the bottom of the D. D-180818 Kit of Parts (Record Disable and Dial
cover (Fig. 2) and trim edge as required.
Intermix Features)
(7) Verify correct operation of the option. 3.11 To install.
(8) Reassemble set. (1) Remove faceplate (paragraph 3.19).
(2) Loosen the captive screw at the bottom of
C. D-180494 Kit of Parts (2/4-Wire Service) the cover around the dial and remove the
cover.
3.10 To install.
(3) Disengage the four captive memory mounting
(1) Proceed as described in paragraph 3.17. screws (Fig. 4).
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