Bell System Practices 220 Identification, Installation, Connections, And Maintenance page 8

SECTION 502-303-1 02
Fig. 8-D-180824 Kit of Parts Installed in 220AL
Hand Telephone Set
D-1 80825 (220C, 226A, 2220C, and 2226A)
Install D-180825 Kit of Parts in 220C, 226A,
3.05
2226A, and later version 2220C hand telephone
set as follows.
(1) Remove shell from handset, paragraphs 3.01
and 3.02.
(2) Install the 282A (MD) or 282B adapter onto
the existing handset cord jack by positioning
the adapter on the handset cord jack body as
shown in Fig.
jack body until locked into place. When correctly
assembled, the two gold wire contact springs of
the adapter will be positioned in the formerly
vacant slots of the jack paralleling the existing
gold contact springs (Fig. 9).
(3) Connect the
of the adapter to terminals A and 4,
respectively, of the network.
The 282-type adapter is not required
Note:
in early version 2220C handsets since the
handset cord jacks are equipped with (W) or
(Y)
and (BK) spade-tipped leads which should
be removed from their stored locations and
connected to terminals A and B or 4, respectively.
(4) The 840362776 terminal board, furnished in
the kit, mounts in the associated telephone
Page 8
BSP 502-303-102-i0 2_1979-12-08. jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
IY1 LEAD
TERM 1NAL A
9. Slide the adapter into the
(Y)
and (BK) spade-tipped leads
base, refer to Section 502-303-101 or 502-322-400
for installation and connection information.
(5) Replace the handset shell, paragraph 3.03.
(8�)LEAO
TERMINAL 4
Fig. 9-D-1 80825 Kit of Parts Installed in 220C,
226A, 2220C, or 2226A Hand Telephone Set
B. ·D-1 80891 Kit of Parts (2220C and 2226A only)
RFI Modification (Fig. 1 0)
To prevent RFI in the on-hook position
3.06
when the early version 2220C handset
(identified by four contact springs in the handset
cord jack) is provided, install kit of parts as follows.
(1) Remove the shell from handset, paragraphs
3.01 and 3.02.
Feb 07, 2012 13:29:03