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AP-374 Antennas/Cisco 1550 Replacement?

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  • 1.  AP-374 Antennas/Cisco 1550 Replacement?

    Posted Mar 27, 2020 05:28 PM

    Hello, I'm looking for what a good replacement would be for a Cisco 1550 for wireless mesh. The 1550 has external omni direct-attach antennas that seem to work better for mesh connectivity than the 'down tilt' type antennas on 365s/375s that are probably better suited for client connectivity. What is a good alternative to this setup? Can external omni antennas be direct-attached to the AP-374 to come up with a similar setup, without the antenna cover on? And how many antennas are needed, all six or is four ok? Just trying to avoid mounting multiple antennas, antenna cables, and all that. 

     

    Any pictures of installs of something similar? 

     

    Thanks. 

     

    cm119_0-1585344395694.png

     



  • 2.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    MVP
    Posted Mar 30, 2020 04:14 AM

    Hi,

     

    AP 370 Series (AP-374) can have multiple types of antennas:

    https://www.arubanetworks.com/products/networking/antennas/

     

    I would go with combining two different types of Antennas:

    - Down Tilt for client service

    - Depending on the area, different antenna for MESH.

     

    img1.png

     

    A pic i found from a different vendor with similar setup.


    I know this is not precisely what you asked for, but maybe it helps a bit.

     



  • 3.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    EMPLOYEE
    Posted Mar 30, 2020 08:09 AM

    The AP-375 or AP-377 are probably better choices:

    • AP-375

    - 5 GHz 802.11ac 4x4 MU-MIMO (1,733 Mbps max rate) » Internal Omni Antennas 4.6 dBi

    - 2.4 GHz 802.11n 2x2 MIMO (300 Mbps max rate) radios » Internal Omni Antennas 4.0 dBi

    • AP-377
    - 5 GHz 802.11ac 4x4 MU-MIMO (1,733 Mbps max rate)

    » Internal 80°H x 80°V Directional Antennas 6.3 dBi - 2.4 GHz 802.11n 2x2 MIMO (300 Mbps max rate) radios » Internal 80°H x 80°V Directional Antennas 6.4 dBi

    The AP-375 should perform similar to what you have posted as an image, and if you need directional antenna the AP-377 is probably better. You will need to do a design and link-budget calculation and from there determine if you can do with built-in antenna APs or you really need to go for external antenna. Internal antenna is nearly always recommended over external, if it fits the link-budget and design. On point to point with significant distance (>300m, 1000ft) you may need high gain directional antennas, as well in very high density (stadium) to get small cells with enough capacity.

     

    Please work with an Aruba partner that has experience on such outdoor installations, or if you have the knowledge yourself you can use the Aruba Outdoor Planner to get some idea on how the coverage would be with any type of AP and antenna.



  • 4.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    Posted Apr 01, 2020 05:51 PM

    Thanks for the information. I do already have some 365s and 375s in mesh setups that are working, just wondering what other options are available with 374s. I did get confirmation from Aruba that direct attached antennas are supported with the 374s using AP-2x2-2005 and (qty 2) ANT-2x2-5005. Of course as discussed this is a more expensive option having to purchase the antennas. 



  • 5.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    Posted Sep 23, 2020 05:18 AM

    Good morning Herman,

     

    I have a 374 AP and would like to connect the a D100 3x3 and D608 4x4 antennas to each AP.  What is the proper way to connect each cable from the AP to the antenna.  

     

    AP

    5G1

    2G0

    5G3

     

    5G2

    2G1

    5G0

     

    Thank you for your help.

     



  • 6.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    EMPLOYEE
    Posted Sep 29, 2020 10:50 AM

    For 2G0/2G1, I would connect the V-pol to 2G0 and H-pol to 2G1 on the antenna. For the 5G0/1/2/3 I would do the V-pol on 5G0, H-pol on 5G1, and the +45/-45 on the 5G2/3. It technically should not matter, but I *personally* just like to do it this way for consistency. 



  • 7.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    Posted Sep 30, 2020 07:23 AM

    Good morning Jerrod,

     

    Thank you very much for the information.  This helps a lot.  Just to clarify the D100-4x4 also goes the same since it has 4 connections.

     

     

     

     



  • 8.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    Posted Dec 08, 2020 04:47 PM
    Good Afternoon Jerrod,

    I have a similar question in does the AP-374 model require antenna connections in all the Ports? (5G0/1/2/3, 2G0/1)​. Looking at the spec sheet, it indicates for full configuration for 5 GHZ will require 2 sets of JW027A.

    ------------------------------
    LaMarcus Stanley
    ------------------------------

    Original Message


  • 9.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    EMPLOYEE
    Posted Dec 09, 2020 04:29 AM
    Correct, this is mentioned in the AP-370 Ordering Guide:
    5 GHz radio has 4 connectors so 2 sets of JW026A or JW027A are necessary for full configuration

    You should not leave antenna ports unconnected. In case you have to, you will need to put N-type 'terminators' (not available from Aruba) on the ports that are not in use to avoid damage to the radios in the AP, and expect reduced performance.

    ------------------------------
    Herman Robers
    ------------------------
    If you have urgent issues, always contact your Aruba partner, distributor, or Aruba TAC Support. Check https://www.arubanetworks.com/support-services/contact-support/ for how to contact Aruba TAC. Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba Networks.
    ------------------------------

    Original Message


  • 10.  RE: AP-374 Antennas/Cisco 1550 Replacement?

    Posted Dec 09, 2020 06:50 AM

    Thanks for the quick reply on this post.

     

    Thanks,

     

    LaMarcus Stanley

    IT Network Projects

    Norfolk Southern Corp.

    (404 )879-3567

     




    Original Message