Comtech EF Data HPCST-5000 - Manual (Page 71)

High-Power TWTA Satellite Terminals Single Thread System Installation
Rev.1 2–25
2.3.4.2 TWTA Prime Power (J2)
2.3.4.2.1 Prime Power
As shown in Table Chapter 2-1, two prime power options are available. Depending on
the power amplifier, refer to Table Chapter 2-3. The locations of the prime power input
connector are shown in Figures 2-2 and 2-3.
C AU TIO N
1. Be certain that the AC voltage cable has three wires, where the third wire
is a safety ground.
2. An AC switch must be installed external to the amplifier to control
application of prime power to the amplifier. When the controller is
disconnected or set to AC Off, prime power is still present in the interior
of the amplifier (ODU). Disconnect prime power before servicing the
unit.
3. The amplifier shall be securely grounded for personnel and equipment
safety.
Table Chapter 2-3. Prime Power
AC Prime Power,
115/230 VAC, Single
Phase The HPA-500 and -700 are designed to operate from 115 VAC,
±
20 %, or from 230 VAC,
±
20 % . The HPA-1200 is designed to
operate from 230 VAC,
±
20 % only.
Voltage range is selected by connection to the pins of the AC
power cable. Single phase AC power pinouts are shown in
summary form in Figure 2-6.
115 VAC Operation For 115 VAC operation (100W models only), connect the “hot”
lead to Pin 3, the neutral lead to Pin 2, and the ground lead to
Pin PE.
230 VAC Operation For 230 VAC operation (100W or 300W models), connect one
AC lead to Pin 1, the other AC lead to Pin 3, and the ground lead
to Pin PE.
Grounding Operation of the TWTA from a 115V or 230 VAC source is
standard with the following connections. The mating connector
(Table 2-4) for AC unit is an Amphenol T3109-013.