PTP450: timing port sync only and 5470-5850
vs
PTP450i: sync-over-power, more horsepower, 4940-5925
On 1/5/2017 8:51 PM, Adam Bates wrote:
I believe the PTP450 is only capable of 20Mhz channels. The PTP450i
is capable of wider spectrum use. For the PTP450, the PPS limitation
and CPU overhead will limit actual throughput. We have a few that
consistently run 100Mbps aggregate, but rarely any more than that on
20MHz channel, even though Cambium says should reach 125Mbps aggregate.
FWIW – the PTP450 cannot get GPS sync over the power port, so if your
PTP230 is using sync on power, it won’t work with the 450.
I believe that you can still get the PTP450 from most vendors.
Adam Bates
FreedomNet Solutions
[email protected]
*From:*[email protected]
[mailto:[email protected]] *On Behalf Of *Steve D
*Sent:* Thursday, January 05, 2017 3:31 PM
*To:* Cambium Networks User Group <[email protected]>
*Subject:* [Cambium-users] PTP450 questions
Hey, didn't 14.x allow 40 mhz channels on the ptp radios as well?
Spec sheets are a bit out of date on this front.
What's the max "real world" throughput people see on these? Any
chance 100x100 mbps realistic on 40 mhz channel at 8x?
Just trying to get a sense of what we can do.
Also, are the ptp450 (not "i") versions still for sale? Looking to
bolt this on a 24v solar site and don't want to muck around with power
system stuff. Hoping for drop in replacement for an old ptp230 link.
Cheers,
-Steve
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