Acom 03AT Operating Manual page 10

f) Inside the remote unit, direct the cable cores to both terminal pairs located on the "Power Supply" PCB, that are
marked J1 & J2 (~24VAC) – see fig. 2-2,c-d and 2-6. The power supply is applied through each pair in parallel (each
pair is one pole of the power supply).
Fig.2-6 Power-supply PCB: cable connection and fuses in the remote unit.
Using a flat-tip screwdriver 3х0,6mm (1/8"x0.02") loose the terminal screws. Push the bared end of core nr.1 (marked
white over the black core insulation as well as on the terminal block), into the bottom terminal, and tighten it properly.
Above it connect core nr.2, then in an up-sequence - core nr.3, and at the top connect the yellow-plus-green colored
core (to the terminal that is marked with "Y").
g) Install the rear lid of the unit. Using a "Philips 1" screwdriver, screw in all 12 screws М3х8mm loosely. Then tighten
properly but do not push strongly along screw axes in order not to push out any captive nut from the chassis.
Slip on the protective metal hood and lower it carefully downwards until it stops onto the bottom panel of the unit.
Screw in loosely all 10 captive screws М6 (located on the bottom panel - see fig.2-1,d). Then tighten properly using a
5mm (0,2") Allan key.
h) Connect the remote-unit grounding clamp, marked "GROUND" on the bottom panel, to the lightning-protection
grounding system (see fig.2-1,g).
i) Connect the balanced antenna feeder to the terminals marked "BALANCED ANTENNA OUTPUT" on the bottom
panel (see fig.2-1,I & 2-2,h). Shape its leads in an order not to permit accessing the AATU case or any grounded part
of the installation.
j) Connect the RF coaxial cable to the coaxial connector marked "50
Use cable type RG-213 or equivalent.
Using the "UNBALANCED ANTENNA OUTPUT" option is only permissible after
having disconnected the internal connection between the matching circuit output
and the BALUN transformer input, in order not to destroy the balun transformer.
Contact your dealer or the factory for details.
k) Lay the cables along the route to the station premises, stabilize them and protect against damage in case of a
movement, wind, snow or ice. Lead in the cable ends through the wall (if not done previously). Get measures against
trickle water leaking through the building wall.
Ω
RF INPUT" on the bottom panel (see fig.2-1,i).
C A U T I O N
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