NAVELEX EE 181-AA-OMI-110/E121 C-9412
Place thumb or finger under board ejector
and lift up until board pops out of receptacle
at back of status processor. Then grasp
PC board and pull straight out. Tag and
disconnect Data Transmitter wires from
TB6 and TB7. Remove screws that secure
Data Transmitter to standoffs inside CU.
Be careful not to drop Transmitter inside
CU. Remove Transmitter. Loosen captive
screws that secure connector receptacle
J12 to bottom of status processor and
disconnect J12. Remove screws that
secure status processor to top of CU and
gently lower it straight down to remove.
Remove screws that secure cover and case
to the receptacle brackets. Identify switch
terminals and use a soldering iron of 50
watts maximum to remove wires from
LATCH/NON-LATCH and TRANSMITTER
RESYNC switches. Remove nuts that
secure plug P1 to bottom of status
processor. Remove screws that secure
card receptacles to receptacle brackets.
Remove interconnecting wiring assembly
(PC board, card receptacles, plug P1,
cable) as a unit.
To install a new interconnecting wiring
assembly, insert screws that secure card
receptacles to receptacle brackets, and
tighten screws to secure. Insert plug P1
into slot in bottom of status processor and
secure with nuts. Use a soldering iron of
50 watts maximum to solder wires to
LATCH/NON-LATCH and TRANSMITTER
RESYNC switches. Put case and cover in
place and insert screws that secure them to
receptacle brackets. Tighten screws to
secure. Place status processor in position
against top of CU and insert screws to
secure it in place. Align connector
receptacle J12 with plug P1 on bottom of
status processor and press it into place.
Tighten screws to secure connector to plug.
Position Data Transmitter over standoffs in
CU. Insert screws and tighten to secure
Transmitter. Connect Data Transmitter
wires to TB6 and TB7. Note that PC
boards A1 through A6 are identical and
may be installed in any slot, one
through six. Each of these boards are
marked A1, 2, 3, 4, 5, 6. PC boards A7
through A11 are different and each board is
keyed to fit only in the correct slot. These
boards are marked A7, or A8, or A9, or
A10, or A11. Turn all PC boards so that
plastic board ejector is toward top. Align
board with guides at top and bottom of
status processor. Slide board straight in
until it contacts receptacle at back of
processor. Then press firmly on board until
it seats completely in receptacle. Install
A12 board before installing All board.
Align sockets on A12 with pins on All board.
CAREFULLY press PC board A12 until pins
are fully engaged in sockets. Ensure that
pins on A11 are not bent or otherwise
damaged. Install PC board A11. Turn on
switch S1 on power supply.
To remove terminal board assembly, tag
and disconnect wires from terminal boards
TB8-F, TB9-A, TB10-B, TB11-C, TB12-D,
and TB13-E. Remove screws that secure
assembly to CU and remove assembly.
To install new terminal board assembly,
position assembly over standoffs in CU.
Insert screws and tighten to secure terminal
board assembly. Connect wires to terminal
boards TB8-F, TB9-A, TB10-B, TB11C,
TB12-D and TB13-E.
After replacement of major components or
assemblies, test the CU for proper
operation as follows:
Turn mode switch on CU to ACCESS,
open CU door, and pull Tamper Alarm
Switch (TAS) plunger all the way out.
Turn mode switch to TEST/RESET
and then to SECURE. Monitor
Cabinet should indicate a secure
If an Ultrasonic Motion Sensor (UMS)
is installed near the CU, ensure that it
does not cause an alarm to be
activated when a secure condition is
desired. Create an alarm