Unique Broadband Systems Ltd. DRU1KW Manual De Usuario

 

 

A HPA should be removed in the following sequence: 
 

1.  Open the electronics compartment front door for the corresponding sub-system. 
2.  Open the HPA compartment front and rear doors for the corresponding sub-system. 
3.  Using the HBE GUI or LBE GUI, place the corresponding sub-system in standby mode. 
4.  Switch OFF the HPA PSU circuit breakers, located on the HB cabinet PDU or LB cabinet 

PDU – please refer to section 2.3.4 or 2.3.5 for breaker designations. 

5.  Switch OFF the TSC-H 5A or TSC-L 5A circuit breaker, located on the BMS front panel. 
6.  Remove the magnetic plate from the HPA front panel and set it aside by loosening the 

10-32 Slotted captive screw (located at the bottom of the HPA front panel) – see 
Figure 6-16. 

7.  Loosen the 10-32 Slotted captive screw (located at the top of the HPA front panel) – 

see Figure 6-16. 

8.  Using two handlers, one located on each side of the HPA, pull the HPA from the HPA 

compartment frame and set it aside. 

 
6.5.9.2 

 

The replacement HPA should be installed in the following sequence: 
 

1.  Using two handlers, one located on each side of the HPA, lift the replacement HPA 

and position it level to the 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 

6-16. 

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 

aligned with corresponding connectors on the HPA compartment frame backplane – 
see  Figure 6-18.  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. 

5. 

Secure the HPA in place by tightening the 10-32 Slotted captive screw (located at the 
top of the HPA front panel) with a torque rating of 19.2 Inch Lbs.

 – see Figure 6-16. 

6. 

Place the magnetic plate at the bottom of the HPA front panel and tighten the 10-32 
Slotted captive screw with a torque rating of 19.2 Inch Lbs.

 – see Figure 6-16.  Note: 

The magnetic plate must be installed in order for the HPA to power up later on. 

7.  Switch ON the TSC-H 5A or TSC-L 5A circuit breaker, located on the BMS front panel. 
8.  Switch ONN the HPA PSU circuit breakers, located on the HB cabinet PDU or LB cabinet 

PDU – please refer to section 2.3.4 or 2.3.5 for breaker designations. 

9.  Using the HBE GUI, place the HB sub-system in broadcast mode or, using the LBE 

GUI, place the LB sub-system in transmit_only mode. 

10. Close the HPA compartment front door and the electronics compartment front door. 

SX03-20000-01-M01 6-36