vg224 distance

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Mar 4th, 2008
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I have a customer who has vg224 for analog devices , they want to connect an analog extn which is more than 100 meters (300 feet).


What is the maximum distance this vg224 ports can go?


Thanks for your help.

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Steven Landon Tue, 03/04/2008 - 09:29
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this is more a question of cabling. what is the size and quality of the cabling used from the VG224 to the device?



balukr Tue, 03/04/2008 - 09:58
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Please can you elaborate in detail or exact information you are looking for? Cabling will affect the distance ??

Rob Huffman Tue, 03/04/2008 - 10:04
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Hi Balukr,


You should be good to go :)


We use the VG248 to supply an Analog device at one of our Grounds Buildings which is at least 600m away. This is via a Tie Cable (24 gauge wire). The max distance listed by Cisco is 975m for a phone with 1 REN. The specs are for the ATA, but the VG's should be quite comparable. Have a look;


Q. What is the maximum distance from which I can drive an analog device with a Cisco ATA?


A. Table below provides maximum distances for this question.



Ring Loads and Distances


Ring Load (per RJ-11 FXS Port) Maximum Distance


5 REN 200 feet (61 m)


4 REN 1000 feet (305 m)


3 REN 1700 feet (518 m)


2 REN 2500 feet (762 m)


1 REN 3200 feet (975 m)



From this good doc;


http://www.cisco.com/en/US/products/hw/gatecont/ps514/products_administration_guide_chapter09186a00800c4d1c.html#1034692


Hope this helps!

Rob


balukr Tue, 03/04/2008 - 10:18
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Thanks Rob..I saw your answers for an ATA device in the forum but I was not sure that is same for VG224's.

balukr Tue, 03/04/2008 - 15:18
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Rob,


Sorry to bug you again.Now the customer came back and said it is app 1500 ft and they want to add 18 lines.Do you think it is doable?


Again appreciate your help.


Bala

Rob Huffman Tue, 03/04/2008 - 17:04
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Hi Bala,


Not a problem at all my friend :) As long as these are 18 seperate lines (over Tie Cable) with only 1 device attached to each at the far end this should not be any problem! I'm sure you could push twice that far.


Hope this helps!

Rob

balukr Tue, 03/04/2008 - 17:11
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Yes it is 18 individual lines going on a separate pair for each line.


Thanks for your help again.

Rob Huffman Tue, 03/04/2008 - 17:34
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Hi Bala,


You are always welcome!


Take care,

Rob

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