LTE Modem: (control) Serial Port is blocked by PPP deamon

[papayawhip]

Hi,

I just want to write a small script, that polls information from a 4G/LTE modem.

If the ppp interface is down /dev/cuaU0.3 becomes available - if up unavailable.
sure, the chat script is running…

But I want to exec AT!GSMINFO? and AT!GSTATUS? at any point to display it on the dashboard.

AT!GSMINFO?
!GSMINFO:
Serving Cell:
PLMN:          26203
LAC:            31516
Cell ID:        43117
BSIC:          0
NCC:            0
BSCC:          0
RAC:            0
Min Rx Lvl Rqd: -110
Max Rach:      Not Available
ARFCN:          Not Available

Neighbour Cells:
Band:
ARFCN:
RAC:
RX level (dBm):
C1:
C2:
C31:
C32:

OK
AT!GSTATUS?
!GSTATUS:
Current Time:  16824            Temperature: 40
Bootup Time:  8191            Mode:        ONLINE
System mode:  WCDMA            PS state:    Attached
WCDMA band:    WCDMA 2100
WCDMA channel: 10786
GMM (PS) state:REGISTERED      NORMAL SERVICE
MM (CS) state: IDLE            NORMAL SERVICE

WCDMA L1 State:L1M_PCH_SLEEP    LAC:        7B1C (31516)
RRC State:    CELL_PCH        Cell ID:    013CA86D (20752493)
RxM RSSI C0:  -75              RxD RSSI C0: -106
RxM RSSI C1:  -106            RxD RSSI C1: -106

Is there any chance to do this?  ???

[AndrewZ]

Is this Sierra?
My first idea - don't use PPP. Not sure that the drivers for other modes (qmi, mbim) are available on FreeBSD though.
I'm currently using Sierra's EM7455 on Openwrt based router.