EASi 4.5m Antenna Installation Kit
2
Please note the following concerning the interconnect cable and sensor connections ...
• Always use shielded cables for the sensors.
• The shield drain wire should only be connected at the RC2000.
• If the cable is spliced, be sure to splice the drain wire.
• Don’t allow the shield or drain wire to come in contact with ground anywhere. If the cable insulation is
cut at a splice put a piece of heat shrink over the frayed shield to keep it from coming in contact with
ground.
• When splicing the sensor cables please refer to figure 7 in the RC2K90INT manual.
Belden 1083A cable has been successfully used to interconnect the RC2000 to the RC2K90INT-1 interface
box. This cable consists of 4 individually shielded triples (or triads). The conductor size is 20 AWG and
the shields are equipped with a drain wire. A similar product is available from Olympic Wire and Cable
Corp. (part number 9883).
It also possible to use a pair of satellite TVRO ‘actuator cables’ to connect the RC2000 to the interface box.
Actuator cable typically consists of a pair 16 AWG unshielded conductors and a shielded 22 AWG triple
with drain wire. This cable is inexpensive and is available from Research Concepts, Inc. and EASi.
The RC2000 to interface box interconnect cable carries DC voltages of 40 volts or less. In the US a direct
burial type cable may be used.
4 Making the Connections
The installation kit includes steel reinforced liquid tight flexible conduit and cabling for connection of the
interface box to the antenna motors, sensors, limit switches and AC power. There are five straight conduit
fittings, one cable-compression fitting, and two multi-cable clamp fittings on the bottom of the interface
box. From the left, these fittings are used for: AC power, the RC2000 interconnect cable, the elevation
motor conduit run, the azimuth motor conduit run, the azimuth sensor conduit run, and the elevation sensor
conduit run.
There are six conduit runs that are used to connect the interface box to the antenna. The following table
describes the conduit fitting types, conduit lengths, and cable types and lengths
Description of
Conduit Run
Conduit Run
Starting Point and
Conduit Fitting
Type
Conduit Length
and Type
Cable
Type/Length
Conduit Run
Termination Point
and Fitting Type
Azimuth Motor Interface Box,
CN-GY-4Q50
Straight Fitting
CDT-M-0_5 LQT
276 Inches
CBL-3_16-SJOW
300 Inches
Azimuth Motor,
CN-GY-4Q50
Straight Fitting
Elevation Motor Interface Box,
CN-GY-4Q50
Straight Fitting
CDT-M-0_5 LQT
276 Inches
CBL-3_16-SJOW
300 Inches
Azimuth Motor,
CN-GY-4Q950
90 Degree Fitting
Azimuth Sensor Interface Box,
CN-GY-4Q50
Straight Fitting
CDT-M-0_5 LQT
276 Inches
CBL-2_18-SJO
300 Inches,
CBL-3_20-SHLD
300 Inches
Azimuth Sensor,
CN-GY-4Q950
90 Degree Fitting
Azimuth Limit Azimuth Sensor, CDT-P-0_5 LQT The Continuation
of CBL-2_18-SJO
Azimuth LimitSW,
CN-GY-4Q950
(40 pages)
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