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nagylzs
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Posts: 353
Joined: Sun May 26, 2019 2:08 pm

RBSXTR&R11e-LTE6 disconnects randomly

Mon Sep 27, 2021 12:13 pm

RouterOS 6.47.10, software id = 1K7N-NETK

This is what I see after one or two days of operation:
[admin@router] /interface lte> info 0
         pin-status: ok
      functionality: tx and rx rf circuit disabled
       manufacturer: "MikroTik"
              model: "R11e-LTE6"
           revision: R11e-LTE6_V027
               imei: 3**************
               imsi: 2**************
               uicc: 8******************
  subscriber-number: OK
As you can see, pin status is correct. APN setting must be good, because I see this after I reboot the device:
           pin-status: ok
  registration-status: registered
        functionality: full
         manufacturer: "MikroTik"
                model: "R11e-LTE6"
             revision: R11e-LTE6_V027
     current-operator: 21630
                  lac: 1350
       current-cellid: 743940
               enb-id: 2906
            sector-id: 4
           phy-cellid: 3
    access-technology: Evolved 3G (LTE)
       session-uptime: 14m1s
               imei: 3**************
               imsi: 2**************
               uicc: 8******************
         primary-band: B3@20Mhz earfcn: 1500 phy-cellid: 3
                 rssi: -70dBm
                 rsrp: -106dBm
                 rsrq: -15.5dB
                 sinr: -5dB
                 
                 
But it only works for a while. After some time (usually about day, but this is random), it goes into "circuit disabled" mode.

Why? What is happening here?
 
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SiB
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Posts: 1888
Joined: Sun Jan 06, 2013 11:19 pm
Location: Poland

Re: RBSXTR&R11e-LTE6 disconnects randomly

Mon Sep 27, 2021 12:35 pm

R11e-LTE6_V027 is know as stable one.
Now we have v028 and v029 is prepared.

You can do upgrade to 028 first.
Next will be How to correctly diagnose & collect LTE logs for support to see what happends when you lost internet.
Those are first steps.

btw, rsrp: -106dBm & sinr: -5dB not give big hopes with good speed, maybe you can move it in better place ?
 
nagylzs
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Posts: 353
Joined: Sun May 26, 2019 2:08 pm

Re: RBSXTR&R11e-LTE6 disconnects randomly

Mon Sep 27, 2021 1:38 pm

R11e-LTE6_V027 is know as stable one.
Now we have v028 and v029 is prepared.
You can do upgrade to 028 first.
Upgraded to 028, now I need to wait until (if) it goes wrong again.
btw, rsrp: -106dBm & sinr: -5dB not give big hopes with good speed, maybe you can move it in better place ?
Yes, the signal is weak and connection speed is low. The device is inside a room. I'll put it on a pole outside, but I won't do it until it becomes stable.

But that is not my concern. It does not explain why the circuit becomes disabled.
 
holvoetn
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Re: RBSXTR&R11e-LTE6 disconnects randomly

Wed Nov 10, 2021 8:30 pm

V029 seems to be out.

No change log or something alike to be found.

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