Alarm input connections, Installation summary, Precautions – Carrier Access Access Navigator User Manual
Page 135: Tools and materials, Alarm input connections -31, Caution, Warning
Access Navigator - Release 1.8
August 2003
6-31
Electrical
Installation
Alarm Input Connections
Alarm Input Connections
Installation Summary
n
n
n
n
Plug Alarm Input Connector into Access Navigator
Precautions
CAUTION!
W
IRE
LOOP
RESISTANCE
MUST
BE
LESS
THAN
8
OHMS
(
OR
ABOUT
250
FT
.
OF
22 AWG ABAM
CABLE
)
TO
ENSURE
DETECTION
OF
CONTACT
CLOSURE
. L
ONG
WIRES
SHOULD
BE
SHIELDED
TO
PREVENT
FALSE
ALARMS
FROM
INDUCED
VOLTAGES
.
WARNING!
D
O
NOT
APPLY
EXTERNAL
VOLTAGE
TO
A
LARM
I
NPUT
CONNECTOR
.
T
HIS
INTERFACE
IS
DESIGNED
FOR
OPERATION
WITH
EXTERNAL
SWITCHES
OR
RELAYS
PROVIDING
ISOLATED
CONTACTS
WITH
MINIMUM
CONTACT
RATINGS
OF
60V DC @ 10
M
A.
Tools and Materials
Obtain the following tools and materials:
•
Pliers, needle nose
•
Cutters, diagonal
•
Wire stripper, 16-26 AWG
•
Continuity tester
•
Volt-ohm meter
•
16 to 26 AWG insulated, shielded copper wire for alarm connections, as required by standard
wiring practices.