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© Norsat International Inc.
(“Norsat”) All Rights Reserved
2022-04-04 908236 Rev C
12
DC Unit J3 Connector Pinouts
Figure 2-5: DC Unit J3 Connector Pinout
Table 2-1: DC Unit J3 Connector Pinout
Pin Name
A V-/Ground
B V+
C V+
D V-/Ground
For the DC input units, the positive terminals are pins B/C and the negative terminals are pins A/D. Pins A
and D are connected to case ground internally; pins B and C are connected together internally. It is
recommended to apply the supply voltage evenly to both pairs of pins to evenly share the current among
both sets of wires/pins.
The internal capacitance between the V+ and V- terminals is approximately 120 microfarads.
3 Phase AC Power Option
The 3 Phase AC Power option allows the unit to be powered with 208VAC. The input power frequency
range is 60 to 400 Hz and the maximum current draw is 4 A.
Power is supplied through a six pin cylindrical type connector. Three pins are used to deliver the 3-phases
of the AC power, one pin is connected to the case ground of the unit, and two pins are unconnected.
Connector Type
The J3 connector for the AC unit is a six pin cylindrical connector (AMPHENOL DL3102A18-12P). The
connector has a Pre-Earth/First-Make Last-Break feature where the ground terminal mates first and
provides a path for any stray voltage to be shunted to a safe ground avoiding harm to the operator and
voltage sensitive equipment. The mating Amphenol connector DL3106A18012S must be used to maintain
the First-Make Last-Break feature.