A-A-50755
e. Operating temperature. The operation temperature of the test fixture is 50.0 to 104.0 degrees F.
f. Storage temperature. The storage temperature of the test fixture is -67.0 to 167.0 degrees F.
g. Humidity and fungus. The test fixture humidity is 95 (+5, -0)% limited to 75% above 77 degrees F and the fungus resistance is according to MIL-STD-810, method 508.
h. Vibration and shock. The test fixture must handle 2 x G force at 55 Hz maximum vibration and a shock of 30 x G force at 18 shocks.
2. Type and size.
a. Design and construction. Unless otherwise specified herein, the equipment shall comply with the Type III design and construction requirements specified in MIL-T-28800.
b. Solid state construction. The equipment shall be of solid-state modular miniaturized construction.
Table 1-1. Connector pin assignment chart.
|
Connector |
Pin |
Function |
|
MS27472T14B-18S |
A |
Azimuth motor load from modules A4 and A3 +. |
|
B |
Azimuth motor load from modules A4 and A3 -. |
|
|
C |
+28VDC return for A4 module (GND) |
|
|
D |
+28VDC to A4 module. |
|
|
E |
+28VDC to A3 module. |
|
|
F |
+28VDC control input for A4 antenna control in the clockwise direction. |
|
|
G |
+28VDC return for A3 (GND) |
|
|
H |
+28VDC control input for A3 antenna control in the clockwise direction. |
|
|
J |
Elevation motor load from modules A1 and A2 +. |
|
|
K |
Elevation motor load from modules A1 and A2 -. |
|
|
L |
+28VDC to A2 module (GND). |
|
|
M |
+28VDC to A2 module. |
|
|
N |
+28VDC to A1 module. |
|
|
P |
+28VDC control input for A2 antenna control in the upward direction. |
|
|
R |
+28VDC return for A1 (GND). |
|
|
S |
+28VDC control input A1 antenna control in the downward direction. |
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