We have 3 sites with Cambium 320 gear.  2 with Omni's that don't behave
oddly.  The other has 4 AP's and requires a reboot of the AP's after a while
because the CINR values and modulations will tank.  We are not using a ABAB
config.  It doesn't seem to be tied to sync or interference, as far as I can
tell.  Yes there are some crappy installs here.  We acquired them through a
failed startup.  Below is what it will look like when good.  When it is bad,
cut the CINR values to 12ish or less with a QPSK x/x.  Signal will still be
good. Any ideas on the reasoning?  

 

 

 

Parameters marked with (*) will display accurate values only when that link
is passing traffic. 




CPE MAC Address

Uplink

Downlink


RSSI 0* 
(in dBm)

RSSI 2* 
(in dBm)

CINR* 
(in dB)

MCS*

RSSI 
(in dBm)

Zone CINR 
(in dB)

MIMO Type*

MCS*


64:ed:57:31:7f:e0

-83

-66

28

QAM64 5/6

-69

24

MIMO A

QAM64 2/3


64:ed:57:31:84:46

-69

-64

34

QAM64 5/6

-74

24

MIMO A

QAM64 2/3


64:ed:57:31:84:58

-95

-74

23

QAM64 2/3

-88

11

MIMO A

QPSK 1/2


64:ed:57:31:84:f6

-79

-61

34

QAM64 5/6

-71

26

MIMO A

QAM64 3/4


64:ed:57:31:86:52

-67

-58

34

QAM64 5/6

-66

28

MIMO B

QAM64 5/6


64:ed:57:31:87:30

-67

-58

34

QAM64 5/6

-68

28

MIMO A

QAM64 5/6


64:ed:57:31:87:ae

-93

-68

29

QAM64 5/6

-80

18

MIMO A

QAM16 1/2


64:ed:57:31:88:4c

-62

-87

33

QAM64 5/6

-45

28

MIMO B

QAM64 5/6


64:ed:57:31:8a:90

-75

-58

34

QAM64 5/6

-68

28

MIMO A

QAM64 5/6


64:ed:57:31:8c:f2

-77

-64

29

QAM64 5/6

-88

16

MIMO A

QAM16 1/2


64:ed:57:31:8d:70

-87

-64

33

QAM64 5/6

-71

27

MIMO A

QAM64 5/6


64:ed:57:31:8e:da

-78

-69

29

QAM64 5/6

-81

17

MIMO A

QAM16 1/2


64:ed:57:40:7c:16

-61

-79

34

QAM64 5/6

-61

28

MIMO B

QAM64 5/6

 

 

--

Thank you,


Greg Osborn
Tech Support and Field Service Manager
OnlyInternet.Net
1.800.363.0989
 <http://www.facebook.com/onlyinternet>   <http://www.twitter.com/oibw>
<http://www.onlyinternet.net/> 

 

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