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KA BAND OUTDOOR TWT AMPLIFIER
2.4.3 Electrical
Power
Connections
All electrical connections to the amplifier are located on the front panel (Figure 2-1).
2.4.3.1 Prime Power (J1)
ELECTRICAL HAZARD! ELECTRICAL HAZARD! DO NOT APPLY POWER
TO THE AMPLIFIER UNTIL YOU ARE DIRECTED TO DO SO IN THE
PROCEDURE.
Prime power is applied to connector J1 (AC IN) located on the front panel of the amplifier. Prime
power is 100 - 240V
AC
+/- 10% (nominal), 47-63 Hz. The proper voltage is indicated on a label
located on exhaust end of unit. A prime power mating connector is supplied in the ship kit with
the unit. The pins of the prime power connector should be wired as follows:
•
Pin 1 - line (or Phase A)
•
Pin 2 – No connection
•
Pin 3 - Neutral (or Phase B)
•
Pin PE – Ground
Prepare the prime power cable but do not connect the cable to the amplifier at this time.
2.4.3.2 Grounding
Proper grounding of the Ka-Band TWTA ODU amplifier to the station ground bus or to earth
ground is necessary for personnel and equipment safety. The 6-32 threaded ground hole on the
amplifier front panel is used for grounding. #14AWG wire or larger is recommended for the
grounding cable.
The amplifier should be protected against lightning.
D
OC
.01031492 R
EV
.3
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