Integrated Microwave Technologies LLC. 27VT2-L5-E1P5 Benutzerhandbuch

M17-0002-00A Rev 4

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User Manual 

Figure 25: High Power Amp, or “HPA” (no longer produced) 

 

 
Figure 26 and Figure 27 show the 
interconnects between the NewsCaster VT2 
Control Unit and the mast mounted RF Unit 
(and the legacy High Power Amplifier which 
is no longer produced).  To assist in preparing 
the Control and Monitor cable, connector pin 
assignments and recommended wire sizes are 
provided.  When Triax or Belden 1694 are 
used, the only conductors required to pass 
through the Nycoil for standard operation are 
the coax (or Triax) cable (for power, data, and 
70 MHz IF) and optional power conductors if 
configured for Pan & Tilt.  An auxiliary power 
cable is required if using 75 Ω RG-59 (or 
optional 50 Ω RG-58). 
 

 
Perform the following for BOTH the Standard 
and legacy Extended Power Output 
configurations: 
•  Connect the RF cable to the RF Interface 

jack.  (Figure 21, Detail 11.) 

•  Connect the antenna polarization cable. 

(Figure 21, Detail 12.) 

 
 

If the Pan/Tilt option is configured: 
•  Connect the Pan/Tilt Power cable to the 

RF Head (7-pin).  (Refer to Figure 21, 
Detail 14.) 

•  Connect P1 (18 pin, male) of the Pan & 

Tilt Power/Control cable to J1 “TO 
PAN/TILT” on the RF Head.  Connect P2 
(17 pin, female) of the Pan & Tilt 
Power/control cable to the Pan & Tilt 
motor assembly.  Refer to Table 12 and 
Figure 17 for cable pin-outs. (Refer also to 
Figure 21, Detail 13.) 

 
If the AUX Power option is configured: 
•  Connect the AUX Power cable to the 

AUX DC POWER jack on the RF Head. 

 
In addition to the above connections, the 
following are specific to the power output 
option chosen. 
 

 
Connect the antenna cable between your 
antenna and the appropriate “RF OUTPUT” 
port: 2GHz Omni; 2GHz Directional; 7GHz 
Omni; or 7 GHz Directional.  (Refer to Figure 
23) 
 
 

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