> Ouch. I sell probably 1000 of these a month. I have heard a similar story > a couple of times. Did my own lab replication and did not find anything > wrong. It always has to do with Cambium. No idea yet what may be > happening.
We have a lot of these deployed. Really only needing 1000base on our PTP450i units when we use wider channels. Have you tested with a Mikrotik CRS? I fail to get 1000base from Mikrotik CRS to CRS with them as well. > >> I am currently testing an ePMP powered off a Netonix switch with 65’ of >> cable to the GigE-APC surge suppressor and then 165’ to the AP. >> Rock solid at Gige. Everything looks good. >> >> Have you tried to cut and isolate. Say with a Cambium power supply and a >> laptop. >> Start at the AP and work your way back adding components until you find >> what is causing it to break? >> >> I know that now and then the pins in the RJ45s in the surge suppressors >> and other components can get a bit contaminated and some alcohol and a q tip >> will fix the problem. > > > Went back today. > >>>> I have Mikrotik CRS > 52 volts > PacketFlux Gige SyncInjector > GigEAPC >>>> HV Rev A.1 > 100 foot STP > PMP450i. Will not do 1000base. > > > Removed the GigEAPC HV and replaced with a Monoprice RJ-45 coupler. > Linked and stayed up at 1gbps. Put the GigeAPC back in. Mikrotik > logs show. > > 15:51:53 interface,info ether9-slave-local link down > 15:51:55 interface,info ether9-slave-local link up (speed 1G, full duplex) > 15:51:56 interface,info ether9-slave-local link down > 15:51:58 interface,info ether9-slave-local link up (speed 1G, full duplex) > 15:51:59 interface,info ether9-slave-local link down > 15:52:01 interface,info ether9-slave-local link up (speed 1G, full duplex) > 15:52:02 interface,info ether9-slave-local link down > 15:52:04 interface,info ether9-slave-local link up (speed 1G, full duplex) > 15:52:05 interface,info ether9-slave-local link down > 15:52:07 interface,info ether9-slave-local link up (speed 1G, full duplex) > 15:52:08 interface,info ether9-slave-local link down > 15:52:09 interface,info ether9-slave-local link up (speed 100M, full duplex) > > In the end it gives up and goes back too 100M. > > Also, have Mikrotik CRS125-24G-1S -> thirty foot of unshielded cat-5e > -> GigEAPC-HV -> Mikrotik CRS125-24G-1S > > It will only link at 100M also but if I remove the GigEAPC and replace > with monoprice RJ45 coupler it links and stays at 1Gbps. Both routers > on latest firmware and stable/current ROS. > > Have tried different GigEAPC units, new ends and have checked that > everything is grounded correctly to electrical ground. > > Ideas? > > >> From: Matt >> Sent: Wednesday, August 31, 2016 12:26 PM >> To: af@afmug.com >> Subject: Re: [AFMUG] Gigabit Ethernet on Cambium 450i only running 100Mbps >> >> Was anything ever found out with this? I have Mikrotik CRS > 52 volts > >> PacketFlux Gige SyncInjector > GigEAPC HV Rev A.1 > 100 foot STP > PMP450i. >> Will not do 1000base. Both the 450i and CRS have gigabit enabled in >> settings. >> >> >> >> On Sun, May 15, 2016 at 1:25 PM, <ch...@wbmfg.com> wrote: >>> >>> >>> No Joy. Everything checks out 100%. >>> >>> I bought one the cambium units for comparison. Its impulse breakdown >>> voltage is about 5 volts to ground lower than my unit for single pin to >>> ground. Transverse impulses are clamped much lower on the cambium unit but >>> normally that is not an issue. >>> >>> Pin to pin and pin to ground I have less capacitive loading than the >>> cambium unit. >>> >>> They have some other circuitry that I have yet to puzzle out. >>> Something that is not related to surge suppression. >>> >>> In any event, your unit, a brand new unit from my stock and the cambium >>> unit all show 1Gbps on the traffic tester and all show good wiring >>> continuity and all show good breakdown voltage pin to ground. Visual >>> inspections are not revealing any solder bridges or manufacturing issues.... >>> >>> A puzzle for certain. But I am not finished. Stay tuned... >>> >>> From: Wireless Administrator >>> Sent: Friday, May 6, 2016 9:16 AM >>> To: af@afmug.com >>> Subject: [AFMUG] Gigabit Ethernet on Cambium 450i only running 100Mbps >>> >>> >>> Replaced This …… >>> >>> >>> >>> >>> >>> With This ……. >>> >>> >>> >>> >>> >>> On same ground point and got This …… >>> >>> >>> >>> >>> >>> :-) >>> >>> >>> >>> Except I want this to work ……. >>> >>> >>> >>> >>> >>> L >>> >>> Extra effort to ensure clear pictures and easy to read story line …… >>> >>> >>> >>> Steve >>> >>> >>> >>> >>> >>> From: Wireless Administrator [mailto:wirel...@htn.net] >>> Sent: Friday, April 29, 2016 12:03 PM >>> To: 'af@afmug.com' >>> Subject: Gigabit Ethernet on Cambium 450i >>> >>> >>> >>> We’re not able to get our Cambium 450i radio’s Ethernet Interface to run >>> at Gigabit speed. >>> >>> Our setup is as follows: >>> >>> Gigabit switch (Tried several brands) à14’ Cat6 Patch àGigabit Sync >>> injector (48V) à 35’ Best-tronics Cat5 Shielded à 800-800-GIGE-APC-HV à 80’ >>> Best-tronics Cat5 Shielded à Cambium 450i >>> >>> It works without the 800-800-GIGE-APC-HV. (Cat5 Coupler). >>> >>> Anyone ………. >>> >>> >>> >>> Steve B. >>> >>> >>> >>> >>> >>> >>> >>> >> >> >
