Re: [AFMUG] Cambium Newbie Question

Fri, 26 Sep 2014 05:54:14 -0700

Strangely enough, I've had the opposite experience with reliability. I've had more mysterious deaths from sync injectors.....haven't had a CMM failure in years.
You really prefer the CMM? I use to have tons of issues with CMMs losing sync, losing power, dying. It seems to me like the sync injectors are a fraction of the cost and are almost an 'install and forget it' type of product. They just keep on working. I actually prefer the cheaper version that Packetflux offers, having used both extensively. 


On Thu, Sep 25, 2014 at 12:54 PM, Adam Moffett via Af <[email protected] 
<mailto:[email protected]>> wrote:



    .....also the PMP100 SyncInjector from Packetflux ought to work
    with ePMP.  You might want the gigE version, but in the real world
    with a mix of subscribers at different MCS levels I'm not sure how
    likely you are to exceed 100x100.

    The CMM4 is a much more rugged beast.  It is expensive, but you
    are not likely to go back and wish you'd bought the cheap one.

    My plan is to hook up the internal GPS and have it available, but
    also to provide sync over power.  Once you are using GPS sync to
    re-use channels it becomes critical that it's always working, so
    better to have two timing sources available IMO.


    They have built in GPS if youre on a budget, not sure why alot of
    people are so die hard against using it

    On Thu, Sep 25, 2014 at 12:56 PM, Jeremy Grip via Af
    <[email protected] <mailto:[email protected]>> wrote:

        I’m looking at ePMP w/channel reuse from a cost-comparison
        standpoint. Trying to figure out how much I need to spend on
        GPS synch for a 4 AP/ 2 channel cluster. Does it need to be a
        CMM4? I will want to be synching multiple POPs…

        Jeremy Grip
        North Branch Networks,LLC





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