Unique Broadband Systems Ltd. DRU1KW Benutzerhandbuch
Chapter
3
Installation
3.9.2
High Power Amplifier (HPA)
Always install the high power amplifiers with the aid of a second
handler. The high power amplifier weighs approximately 55 lbs.
handler. The high power amplifier weighs approximately 55 lbs.
The HPA compartment frame includes four (4) slots for the HPA’s. Please refer to Figure
3-17, Figure 3-18 or drawings SX03-20000-02-D01 or SX03-20000-03-D01 for the mounting
position of the HPA’s.
The HPA’s should be installed in the following sequence:
1. Using two handlers, one located on each side of the HPA, lift the HPA and position it
level to the left most open space in the HPA compartment frame.
2. Carefully line up the HPA sliders (1 located on the top and 1 located on the bottom of
the HPA) with the slide rails mounted in the HPA compartment frame – see Figure
3. Slowly push the HPA into the HPA compartment frame until it stops.
4. There are three (3) blind mate connectors located on the HPA rear panel which are
4. There are three (3) blind mate connectors located on the HPA rear panel which are
aligned with corresponding connectors on the HPA compartment frame backplane –
see Figure 3-21. Ensure that the connectors are aligned properly and slowly push
see Figure 3-21. Ensure that the connectors are aligned properly and slowly push
the HPA into the backplane until it stops. At this point, the back side of the HPA front
panel should be flush with the HPA compartment frame.
panel should be flush with the HPA compartment frame.
5. Secure the HPA in place by tightening the 10-32 Phillips head captive screw (located at
the top of the HPA front panel) with a torque rating of 19.2 Inch Lbs. – see Figure
3-22.
3-22.
6. Place the magnetic plate at the bottom of the HPA front panel and tighten the 10-32
Phillips head captive screw with a torque rating of 19.2 Inch Lbs. Note: The magnetic
plate must be installed in order for the HPA to power up later on.
7. Repeat steps 1 through 6 for the remaining three (3) HPA’s.
SX03-20000-01-M01 3-25