RadioFrame Networks Inc DH2 Manuale Utente

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RadioFrame System 
Operations and Maintenance 
RFN_3.1 Beta
  
123 
NCU back ports 
 
5MHz/1PPs  OUT 
BNC connector for timing interface 
GPS ANT 
GPS antenna connection 
 
Each card installed in the front and back of the NCU has two LEDs: Power (top) 
indicates power, and Status (lower) indicates the status of the card. Each RJ45 
port has two LEDs: Link (right) indicates Ethernet connectivity, and Activity (left) 
blinks to indicate Ethernet activity. All LEDs should light as green. For all other 
conditions, refer to the following table. 
Indication 
Possible failure 
Corrective action 
Power and Status LEDs 
for cards installed in 
front or back of NCU are 
not lit 
no power to NCU 
 
Verify that the power cord is 
installed and properly seated. 
 
Verify that the power source is 
operational (120VAC or  
–48VDC). 
 
Contact Customer Support. 
Status LED is red—top 
front card only 
timing source not 
available 
 
Connect the timing source. In 
iDEN installations, this is usually 
the iSC-3. In some cases, the 
timing source is the GPS 
antenna. 
 
Check all connections. 
 failed 
initialization 
 
Reboot the system: unplug the 
NCU, and plug it in again. Boot 
up may take several minutes. 
 
fan is not working 
 
Verify that the fan is operational. 
 
If the fan is not working, unplug 
the NCU and contact Customer 
Support. 
Status LED is red—any 
card 
card is not operational 
 
Remove and reseat card. 
 
Contact Customer Support. 
RJ45 port Link and 
Activity LEDs are not lit, 
or the Activity LED is not 
blinking 
connection is not being 
made between RFS 
components 
 
For the affected port, verify that 
all cabling between components 
is properly connected.