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feed_measurements [2018/06/06 15:09] – [Feed Testing] jrsetifeed_measurements [2023/10/28 18:36] (current) – external edit 127.0.0.1
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 {{:rf-switch-and-attenuator.jpg|}} {{:rf-switch-and-attenuator.jpg|}}
 Note: That is a quarter coin in the center for size reference. Note: That is a quarter coin in the center for size reference.
 +
 +Plugged into VM server ngs-work1 (sonata@10.1.49.174, polaris)
  
   - Attenuator RUDAT-6000-30: https://www.minicircuits.com/WebStore/dashboard.html?model=RUDAT-6000-30   - Attenuator RUDAT-6000-30: https://www.minicircuits.com/WebStore/dashboard.html?model=RUDAT-6000-30
   - RF Switch USB-1SP8T-63H: https://www.minicircuits.com/WebStore/dashboard.html?model=USB-1SP8T-63H   - RF Switch USB-1SP8T-63H: https://www.minicircuits.com/WebStore/dashboard.html?model=USB-1SP8T-63H
  
-Looks like all of the available software is Windownot LinuxBummer.+Created 2 programs, rfswitch and atten to control these units over USB. See https://github.com/jrseti/ATARFSwitchUtils for a full explanation and the source code. 
 + 
 +**Setting up Proxmox USB ports** 
 + 
 +  root@nsg-headnode:~# qm monitor 101 
 +  qm> info usbhost 
 +    Bus 3Addr 5, Port 14.1, Speed 1.5 Mb/s 
 +      Class 00: USB device 0557:2419 
 +    Bus 3, Addr 8, Port 12.4.4, Speed 12 Mb/s 
 +      Class 00: USB device 20ce:0023, Mini-Circuits 
 +    Bus 3, Addr 7, Port 12.4.2, Speed 12 Mb/s 
 +      Class 00: USB device 20ce:0022, Mini-Circuits 
 +    Bus 3, Addr 10, Port 12.4.1.3, Speed 12 Mb/s 
 +      Class 00: USB device 20ce:0022, Mini-Circuits 
 +    Bus 3, Addr 9, Port 12.4.1.1, Speed 12 Mb/s 
 +      Class 00: USB device 20ce:0023, Mini-Circuits 
 +       
 +Note the port numbers (like Port 12.4.4) 
 + 
 +In Proxmox, assign the usb ports as shown: 
 + 
 +{{:usb-proxmox.png|}} 
 + 
 +The head node needs to be rebooted to make the USB changes work. 
 + 
 +The RF switch and attenuator units are installed at the top of the FXA Rack just to the right of the RFCB rack:
  
-  Programming guide: https://www.minicircuits.com/softwaredownload/Prog_Examples_Troubleshooting.pdf+{{:rfswitch-location.jpg|}}
  
-Needed to install libhid to be able to communicate with the USB devices: 
  
-  a. sudo apt-get install libusb-dev 
-  b. cd libhid-0.2.16 
-  c. ./configure --enable-werror=no 
-  d. make 
-  e. sudo make install 
-  f. sudo ldconfig 
  
-====Feed Measurements - May 09, 2018 ====+=====Feed Measurements - May 09, 2018 =====
  
 Various feed measurements using the spectrum analyzer. Using feed 4jx. **May 09, 2018** Various feed measurements using the spectrum analyzer. Using feed 4jx. **May 09, 2018**
feed_measurements.1528297741.txt.gz · Last modified: 2023/10/28 18:36 (external edit)

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