Installation Instructions
OS-1933-E3-003
044-05243 Rev A
2-3
AC Power
Connect AC wiring as instructed in Table 2-5.
WARNING: Turn off external primary AC power before connecting AC power cables to the
OS cabinet.
CAUTION:
All system enclosures must be connected to a common earth ground to prevent potential
equipment damage. To avoid terminal block damage, do not use a screwdriver with a blade larger than
0.20 inches and do not insert screwdriver at an incorrect angle.
NOTE:
Connect the ground wire to terminal G, and the hot and neutral wires to terminal L or N.
.
Table 2-4 Tools Needed for Installation
Tools Needed
Where Used
Tools Needed
Where Used
Crimp tool
Ground cables
Screwdriver, slotted,
2.5mm (0.1 in) maximum
width
Securing alarm cables
Electrician’s knife
Earth ground
Wire cutters
Cut tie wraps
Cable cutters
Ground cables
Digital volt-ohm meter
Verify voltage
Roto hammer
Mounting unistrut or cabinet
10 mm hex socket
wrench or nut driver
Open door latches
Drill bit
Mounting unistrut or cabinet
Screwdriver, slotted,
5 mm (0.2 in) maximum
width
AC terminal block
Network Crossover
Cable
Connects to PC for commu-
nications and set up.
Screwdriver, slotted,
8mm (5/16 in) typical
width
RFCU fasteners
Screwdriver, Phillips #2
Rectifier Module latch
Table 2-5 AC Power Connection Procedure
Step
Action
1
Route AC cable through a conduit connected to INPUT POWER access hole located next to RF connector
bulkhead as shown in Figure
2-1.
2
Before inserting wires into the AC terminal, strip each wire approximately 12mm (0.5 in).
3
Insert 5 mm (.2 in) maximum flat blade screwdriver horizontally into spring slot and twist to open wire
access hole.
4
Insert AC wire (24-6 AWG) into lower slot until wire bottoms out in housing.
5
Twist screwdriver back to release tension and clamp the wire into terminal. Remove screwdriver.
6
Repeat steps 2 through 5 for remaining wires.
