如何解决GSM连接失败-NetworkManager
我正在尝试通过单板计算机实现gsm连接。我想我设置了一切。以下是调制解调器信息的输出:
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General | dbus path: /org/freedesktop/Modemmanager1/Modem/0
| device id: 10c51b4b5511adedf5c6df0380e7acab4ce64f5a
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Hardware | manufacturer: QUALCOMM INCORPORATED
| model: QUECTEL Mobile broadband Module
| firmware revision: EC25AUFAR06A01M4G
| carrier config: default
| h/w revision: 10000
| supported: gsm-umts,lte
| current: gsm-umts,lte
| equipment id: 861585041067073
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System | device: /sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.2
| drivers: option1,qmi_wwan
| plugin: Quectel
| primary port: cdc-wdm0
| ports: ttyUSB0 (qcdm),ttyUSB2 (at),cdc-wdm0 (qmi),wwan0 (net),| ttyUSB3 (at)
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Numbers | own: 61451690967
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Status | unlock retries: sim-pin (3),sim-pin2 (0),sim-puk (10),sim-puk2 (0)
| state: enabled
| power state: on
| signal quality: 0% (cached)
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Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 4g; preferred: none
| allowed: 2g,3g; preferred: 3g
| allowed: 2g,3g; preferred: 2g
| allowed: 2g,4g; preferred: 4g
| allowed: 2g,4g; preferred: 2g
| allowed: 3g,4g; preferred: 3g
| allowed: 3g,3g,4g; preferred: 3g
| allowed: 2g,4g; preferred: 2g
| current: allowed: 2g,4g; preferred: 4g
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Bands | supported: egsm,dcs,pcs,g850,utran-1,utran-5,utran-8,utran-2,| eutran-1,eutran-2,eutran-3,eutran-4,eutran-5,eutran-7,eutran-8,| eutran-28,eutran-40
| current: egsm,eutran-40
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IP | supported: ipv4,ipv6,ipv4v6
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3GPP | imei: 861585041067073
| registration: idle
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3GPP EPS | ue mode of operation: csps-2
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SIM | dbus path: /org/freedesktop/Modemmanager1/SIM/0
状态部分似乎没有信号。以及nmcli con
的输出:
NAME UUID TYPE DEVICE
cellular d811a35a-70fc-3716-84e1-a3578d10cc1e gsm cdc-wdm0
resin-wifi-01 a58e405d-fdc2-3649-9339-5bbaea740c76 wifi wlan0
supervisor0 8148d985-dc90-4f8c-8e38-62f83f4f13ba bridge supervisor0
有线问题是gsm始终连接(一次不连接):
cdc-wdm0: connecting (prepare) to cellular
"cdc-wdm0"
gsm (option1,qmi_wwan),hw
我试图手动设置蜂窝电话:
root@6f5afca:~# nmcli c up cellular
Error: Connection activation Failed: Network registration timed out
到目前为止,我已经尝试了一切。我用手机测试了SIM卡,它可以正常工作。我不知道为什么它没有连接。
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