ADEMCO 4160-12 C-COM Especificaciones Pagina 44

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7
DISTANCE
c%H
WIRE
ADEHCO RO.
SIZE
(TWISTED
PAIRS)
L
To 100’
P22
*2 No. 289
100’ to 200’
t20
2 No. 283
200' to 300'
#18
2 No. 284
*or No. 295, Four Conductor (122) Cable. Twisted pairs are reconunended,
however, for greater immunity to unwanted induced voltages.
0
. -
Remount the PC board
by snapping it into its retaining tabs; Push any
excess cable back into the wall.
9.
Snap the front cover onto the back of the unit.
10. qJPTIONM.
If
it Is desired to mount a Keypad side-by-side
with one or
more Contact Identification Annunciators, a metal locking plate is provided
to couple units together.
THIS PLATE, IF USED MUST BE MOUNTED SUBSEQUENT
TO STEP 3 OF THIS "INSTALLATION AND WIRING" SECTION.
a.
b.
Position the plate 3n the molded recessed walls on the backs of two
adjacent
case backs-, with its locking tabs inserted through the slots
in the case backs.
Bend the plate’s four central
tabs.from the inside of the case backs,
thus locking the backs together.
G i 8'
+6.5V.OC
R L L R
E L A E
E OC D
N W K
I I
rPAIR TOGETHER
DATA TO C-COM
DATA FROM C-COM
c
GRD
'E 'L 'A
!E IOIC
I
E
!N IW IK !
D
----a-J I 1 1
LPTIONAL 1
I REMOTE I--
J ; '
' KEYPAD I
a ,--a
I
:--.--eP----
A
C-COM
TERMINALS
VW
TOGETHER
DIAGRAM 3.
KEYPAD CONNECTIONS
a
628-44
721
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