
DIGITAL COMMUNICATION
BOARD IINSTALLED)
lBPIN
GROUND START
REMOTE KEYPAD
PHONE LINE (TIP)
CONNECTOR
STRAIGHT
1
INCOMING
(IF USEOI
10 PIN
—PHONE LINE IRING)
MA LE.T6MALE
(RING)
ADAPTER
~1
HANOSET
L
(TIP)
~,
:
— —
II
@
. .
e
12345
no
o
@
~
+:
REAR OF CONTRC
‘~fi~~~” ti~
(BACK COVER
REMOVED)
L
a. Aliachthe 24-pin connector tothemating interlacing pins located at
the bottom of the board.
b. Attach the 10-pin connector (if used) to the Remote Keypad connector
(1O-pin socket) at the top of the board via the “Straight” male-to-male
adapter supplied important Eesureto orient the connector with
BLACK lead (pin 1) to the left (when viewing the4130XT from the
rear).
c. On the Digital Communication interface board, attach the interconnect-
ing wires to the terminal block as follows, referring also to Diagram 6:
Communication Interface Wire
Board Terminal
Assignment
1
Ground Start ‘
2 Incoming Phone Lme (Tip)
3 Incoming Phone Line (Ring)
4
Handset (Ring)
5
Handset (Tip)
‘Connect to BLUE lead on 675 Ground Start Module.
d. With a pair of wire-cutting pliers, snip off the 8 square-shaped connector
pins that normally interface to the4152LM and then install the4171 XT
Digital Communication Interface board. Note On later production units,
this procedure will not be necessary, Those units will be accompanied
by a note to that effect.
Attach the main body of the Control tD the Extender Ring, which is att-
ached to the wall-mounted back cover. The Control is properly attached
when it “snaps” into place.
Use the securing screw (supplied with the No. 4143 Extender Ring) to
secure the Control to the back cover (see Diagram 7 for location of
screw hole), then insert the small VISTA XT nameplate supplied into the
recessed opening to cover the screw head, as shown In Diagram 7.
Diagram 6. 4130XT CONNECTOR INTERFACING
AND 4171XT WIRING CONNECTIONS
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