Netmetal Strange Issue PTP

i replaced my n.2 of old 433ah with n.2 netmetal 921uags-5shpact only on the one side ( on the other side there’s still one 433ah) for my backhaul network, but i have a strange issue with CCQ.

first case is:

Tx/Rx Signal Strenght -58/-59
Tx/Rx Signal Strenght Ch0 -60/-62
Tx/Rx Signal Strenght Ch1 -61/-54
Signal To Noise 48 dB
Tx/Rx CCQ 91% / 43% (why 43%??? with the old 433ah/r52hn i obtain 80% of ccq)

configuration is TDMA Auto / nv2 / 20/40 Mhz eC


second case is:

Tx/Rx Signal Strenght -42/-46
Tx/Rx Signal Strenght Ch0 -43/-47
Tx/Rx Signal Strenght Ch1 -51/-51
Signal To Noise 56 dB
Tx/Rx CCQ 99% / 67% ( with the old 433ah/r52hn i obtain 90/80% of ccq)

configuration is TDMA Auto / nv2 / 20/40 Mhz eC


i have already try to change frequency but still the same situation.
You think with another netmetal from the other side of ptp solve this ?

no one know ? :frowning: :frowning:

Yes. I tried this too, and had odd results. Both should be the same unit.

So with 2 netmetal i can solve this issue?

You mentioned CCQ but what was the signal difference.

what u wanna know?

first case is:

Tx/Rx Signal Strenght -58/-59
Tx/Rx Signal Strenght Ch0 -60/-62
Tx/Rx Signal Strenght Ch1 -61/-54
Signal To Noise 48 dB
Tx/Rx CCQ 91% / 43% (why 43%??? with the old 433ah/r52hn i obtain 80% of ccq)

configuration is TDMA Auto / nv2 / 20/40 Mhz eC



… with nstreme the situation is:
Tx/Rx Signal Strenght -58/-59
Tx/Rx Signal Strenght Ch0 -60/-61
Tx/Rx Signal Strenght Ch1 -62/-63
Signal To Noise 50 dB
Tx/Rx CCQ 100%/ from 90 to 70%

with 2 netmetal on both side
Tx/Rx Signal Strenght -37/-37
Tx/Rx Signal Strenght Ch0 -39/-39
Tx/Rx Signal Strenght Ch1 -42/-42
Signal To Noise 67 dB
Tx/Rx CCQ 99%/99%

nv2 tdma auto