root@jsvgw001:~# lsusb
Bus 002 Device 008: ID 1e2d:00a0
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

root@jsvgw001:~#  nmcli connection show gsm-ttyACM0
connection.id:                          gsm-ttyACM0
connection.uuid:                        50310b0a-631a-4beb-9476-312cd3d09dde
connection.interface-name:              ttyACM0
connection.type:                        gsm
connection.autoconnect:                 yes
connection.timestamp:                   1576569396
connection.read-only:                   no
connection.permissions:
connection.zone:                        --
connection.master:                      --
connection.slave-type:                  --
connection.secondaries:
connection.gateway-ping-timeout:        0
ipv4.method:                            auto
ipv4.dns:
ipv4.dns-search:
ipv4.addresses:
ipv4.routes:
ipv4.ignore-auto-routes:                no
ipv4.ignore-auto-dns:                   no
ipv4.dhcp-client-id:                    --
ipv4.dhcp-send-hostname:                yes
ipv4.dhcp-hostname:                     --
ipv4.never-default:                     no
ipv4.may-fail:                          yes
ipv6.method:                            auto
ipv6.dns:
ipv6.dns-search:
ipv6.addresses:
ipv6.routes:
ipv6.ignore-auto-routes:                no
ipv6.ignore-auto-dns:                   no
ipv6.never-default:                     no
ipv6.may-fail:                          yes
ipv6.ip6-privacy:                       -1 (unknown)
ipv6.dhcp-hostname:                     --
gsm.number:                             *99#
gsm.username:                           mobile@iij
gsm.password:                           --
gsm.password-flags:                     0 (none)
gsm.apn:                                iijmobile.biz
gsm.network-id:                         --
gsm.network-type:                       -1
gsm.allowed-bands:                      1 (any)
gsm.pin:                                --
gsm.pin-flags:                          0 (none)
gsm.home-only:                          no