Bell System Practices AT&T Plant Series Identification, Installation, Connections, And Maintenance page 3

telephone set housing, determine if the
customer's housing is an accepted conforming
housing.
These housings carry a stamp of
conformance on the bottom which read "This
Enclosure Conforms To Drawing B-696501,
F-56659 (Chrome) * Telephone Company
No. * " or "This
Enclosure Conforms
TO Drawing B-696501, F-56660 (Gold) _*_
Telephone Company No. _*_"
*Name of reviewing telephone company and
number assigned by that telephone company
should be inserted.
Nonconforming Housings
Housings which do not carry the above stamp
of conformance on the bottom must be modified
by the local Western Electric Service Center
to accept standard Bell System Components.
Components and wiring removed by the
Western Electric Service Center should be
returned to the customer.
Customer-Owned and Maintained Components
.
Housing or shell, including base (pan)
. Handset
housing, handset Crad]e, and
transmitter and receiver caps
Actuator or plungers
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.
Chassis Assembly
(1) Remove upper housing from base of
customer-owned shell.
(2) Obtain chassis assembly from group of
components.
(3) Position chassis on base of shell and ensure
that the ringer volume control is accessible
through opening on underside of base.
(4) Secure chassis to base using four P-43A392
screws.
1SS 2, SECTION 501-410-101
Dial and
Dial Leads
(1) Obtain dial and four lead assemblies from
group of components.
(2) Connect Lead assemblies in accordance
with Table A,
TABLE A
DIAL LEAD INSTALLATION
I
'E'"
t-=:"'N'7:v=
COLOR
(w)
R
GN
(w)
BK R
(R) G RR
(BK) BL
F
Mounting Cord (ordered separately)
(1) Instail set end of appropriate mounting
cord, refer to ordering guide, route through
cord bracket and secure cord stay to base
(Fig 2).
(2) Connect leads of D3BN mounting cord to
appropriate network terminals or modify
set wiring and connect leads of D4BJ or D1OR
mounting cord in accordance with Table C.
Note:
A 4-conductor D4BJ mounting cord is
required when set is modified to provide A
lead control for use with lA1 or 1A2 KTS
and a 10-conductor D1OR mounting cord when
used with lA1 or 1A2 KTS and 3-type
speakerphone.
Handset Cord (ordered separately)
(1) Install set end of H4CJ handset cord
through cord bracket, lay on top of mounting
cord (Fig. 2). Secure cord stay to base.
(2) Connect leads of handset cord to network
of set.
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