Xp-400 wiring diagram – Napco Security Technologies XP-400 User Manual
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27
16 VAC 20 VA 
TRANSFORMER 
NAPCO TRF12 
(OR EQUIVALENT 
SEE WI1370). 
Class 2 
Transformer. 
(3)
-4 +5 +6
1 2 +3
GEM-RECV-XP8
+
RED
(+)
BLACK
E1
E2
RECHARGEABLE
BATTERY
12 VDC 4AH OR 7AH
ALL OUTPUTS ARE CURRENT LIMITED
WARNING
TO PREVENT RISK
OF ELECTRIC SHOCK
DISCONNECT TELEPHONE
LINES PRIOR TO
SERVICING
EARTH
GROUND
BELL
P
ro
gr
am
m
abl
e 
Ou
tp
ut
PGM
(-)
12
+PWR
+10 -11 +12 -13 14 15 16 17 18 19
-7 +8 -9
GND +PWR GND GREEN
TIP RING
TIP
RING
PHONE
(Supervised)
To RJ31X
2.2K EOLR
(SUPERVISED)
+
+
GOLD
RED
RED
RED
COLD WATER GROUND 
CONNECTION 
USE ONLY COLD-WATER 
PIPE OR BURIED 
GROUND ROD. USE AT 
LEAST #16 AWG WIRE. 
TELCO
RE
D
GR
N
GR
AY
 
BR
N
LO
A
D
50 mA
M
AX
.
REMOTE BUS
(E)
2.
2K
ZONE 4
(Z)
ZONE 1
(E)
2.
2K
ZONE 3
2.2K
(E)
RED
BL
K
GRN
(E)
(Z)
GOLD
WHITE
RED
3.9K
ORANGE
2.2K
EZ
Zone 
Doubling
TM
Resistors
A
U
X
P
O
W
E
R O
U
T
P
UT 1
0-
12
.5
V
DC
XP-400 WIRING DIAGRAM
(REFER TO INSTALLATION INSTRUCTIONS WI1371)
RESIDENTIAL BURG (4 HOUR STANDBY)
COMBINED STANDBY = 350 mA BELL = 2.0 AMP
(1)
(Z)
NOT USED
Normally Open Zone Wiring 
 
Wire the normally 
open contact 
as shown (Zone 4). 
Program the 
zone for 
Open Circuit [06] 
operation. 
(Z)
ZONE 1
(E)
2.
2K
ZONE 4
3.
9K
3.
9K
3.
9K
RPXP4GT
ZONE 2
RECOMMENDED BATTERIES YUASA 
NP4-12 AND NP7-12 
REPLACE EVERY FIVE YEARS 
(1) ALL ZONE RESISTORS MUST BE INSTALLED, EVEN IF ZONE
IS NOT USED.
(2) COMBINED STANDBY = KEYPAD CURRENT + AUX POWER
CURRENT + FIRE POWER + PGM CURRENT.
(3) DO NOT CONNECT TO SWITCHED OUTLET. 
(4) UNIT INTENDED TO BE MOUNTED VERTICALLY ON WALL. 
(5) THIS PANEL SHALL BE CHECKED BY A QUALIFIED 
TECHNICIAN AT LEAST ONCE EVERY THREE YEARS.
(6) SYSTEM MUST BE TESTED AT LEAST ONCE A WEEK IN THE
AC/BATTERY MODE AND IN THE BATTERY-ONLY MODE. 
(CONTACT CENTRAL STATION PRIOR TO TESTING) AC 
MUST BE RESTORED AFTER TEST. 
DS1
TELE LINE IN USE
