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best RG cables for iDirect systems

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Ex Member
Ex Member
Jul 20th, 2009 at 6:16am  
Hi All,

What are the best RG11 cables and connectors to be used with iDirect 3100 modems


Many thanks,

Ahmed
Arabskys
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Ex Member
Ex Member
Reply #1 - Oct 29th, 2009 at 4:20pm  
I need some help, i want to put my Idirect at 70m of the dish, which kind of the  cable can i use ?

Because, i try RG8, some problem, now i want try LMR 400.
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dot
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Reply #2 - Oct 30th, 2009 at 7:16am  
You need to use 75 Ohm cable with iDirect. The interface is at L-band and the IFL cable needs to carry DC voltage for the BUC and LNB and also potentially 10 MHz so the DC resistance is very important. iDirect recommend RG6 and RG11 in their installation documentation. I believe that TAC can give you a table of maximum cable run distances depending on the BUC you use.
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jawadg
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Reply #3 - Nov 2nd, 2009 at 8:05am  
Dear

Maximum IFL Lengths (Ku-Band):

RG-6

1Watt NJRC : 302.9 Feet (Limited by RF)
2 Watt NJRC: 302.9 Feet (Limited by RF)
4 Watt NJRC: 251.4 Feet (Limited by DC)

RG-11

1 Watt NJRC: 514.1 Feet (Limited by RF)
2 Watt NJRC: 514.1 Feet (Limited by RF)
4 Watt NJRC: 514.1 Feet (Limited by DC)

Best Regards,

Jawad Malik
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Adrian
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Reply #4 - Nov 3rd, 2009 at 6:45am  
IFL Coax Cable recommended by iDirect:
1. RG11 Commscope , manufactured part number 5902, iDirect partnumber 4114-0002-0001, loss (dB/100ft at 1700 MHz) = 6.1, DC resistance (ohms/100 ft)=0.426.

2. RG11 Belden , manufactured part number 8213, , loss (dB/100ft at 1700 MHz) = 7.1, DC resistance (ohms/100 ft)=0.315.

Commscope 5902 lenght max are:

1 Watt NJRC: 514.1 Feet (Limited by RF)
2 Watt NJRC: 514.1 Feet (Limited by RF)
4 Watt NJRC: 514.1 Feet (Limited by DC)

like jawadg said.

Best regard,

Adrian
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Y2J
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Reply #5 - Dec 17th, 2009 at 7:12am  
Thank you. This was so informative and helped me a lot.

Please find below a spec sheet for the mentioned model:
https://www.mjsales.net/pdf/5902.pdf
https://www.farnell.com/datasheets/28384.pdf
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