Based upon the similar models, this appears to be correct. This is against
ModemManager 1.18.10:
--- plugins/telit/77-mm-telit-port-types.rules.orig 2022-09-07
09:51:25.186228559 -0400
+++ plugins/telit/77-mm-telit-port-types.rules 2022-09-07 09:56:48.650231458
-0400
@@ -74,6 +74,13 @@
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1051", ENV{.MM_USBIFNUM}=="06",
SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_AT_SECONDARY}="1"
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1051", ENV{.MM_USBIFNUM}=="07",
ENV{ID_MM_PORT_IGNORE}="1"
+# LN920
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1060", ENV{.MM_USBIFNUM}=="00",
ENV{ID_MM_PORT_IGNORE}="1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1060", ENV{.MM_USBIFNUM}=="03",
ENV{ID_MM_PORT_IGNORE}="1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1060", ENV{.MM_USBIFNUM}=="04",
SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_AT_PRIMARY}="1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1060", ENV{.MM_USBIFNUM}=="05",
SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_AT_SECONDARY}="1"
+ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1060", ENV{.MM_USBIFNUM}=="06",
ENV{ID_MM_PORT_IGNORE}="1"
+
# LE910C1 with default usb cfg
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="00",
ENV{ID_MM_PORT_IGNORE}="1"
ATTRS{idVendor}=="1bc7", ATTRS{idProduct}=="1201", ENV{.MM_USBIFNUM}=="03",
SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_GPS}="1"
