DAS pros and cons / cisco solution

Unanswered Question
Apr 3rd, 2012

The client currently has DAS solution integrates with cisco ap1200 which has been eos. As per my knowledge DAS mobile access 2000 doesn't support. 802.11n, is this correct?

We are planning to separate the dad environment with cisco. Basically positioning new 3600 n indoor AP to replace existing eos 1200. What are the pro and cons of separating two brands and solutions? Other cabling.

The client having coverage issue and adding an amplifier and cable loss may add more issues to existing environment.

Also, based on experience 80211n AP are required is higher density vs 1200.

What are your thoughts or best design option to separate das from WLAN environment?

Any quick help will be Hersey appreciated


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Scott Fella Tue, 04/03/2012 - 15:43

From my experience, your client either decides to move the 802.11 off the DAS or you will have to accommodate a design using the DAS. There are various DAS solutions but I don't think any I them support 802.11n, MIMO technology or even diversity. I have heard vendors say that they will, but have no clue if it's supported or not. Since you really can't have a mixed environment, you will need to verify if you have to perform a new install or work off their existing DAS.


Scott Fella

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mustafa.s.raza@... Tue, 04/03/2012 - 18:27

Yes Scott

Moving away from DAS.

Any good talking point to support cisco and separation from DAS will help


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Scott Fella Tue, 04/03/2012 - 18:35

Well... It's like opening the door for the first time and seeing the world! Haha

Now you can utilize 802.11N, support for CleanAir and the biggest thing..... DIVERSITY:) Most DAS systems you can't do location and now you can! I'm going through some projects where some Hospitals spent millions of dollars on their DAS and removing wireless from the DAS is like chopping a finger off. Now you can grow for density where in a DAS, you really are stuck unless you pay an arm and a leg to add another antenna and or cable run.


Scott Fella

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mustafa.s.raza@... Tue, 04/03/2012 - 18:48


Diversity you mean clientlink technology ?

Thanks Scott

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Scott Fella Tue, 04/03/2012 - 18:52

Diversity in general allow the use of dual antennas and not a single antenna used in most DAS systems.  With diversity, the AP has better chance with multipath since the AP can choose which antenna is sees a better packet or signal from.  Its really antenna diversity to be exact:



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Posted April 3, 2012 at 3:14 PM
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