iNetVu Troubleshooting Guide - 1201 Flyaway
No Modem Communication
Modem Status Definitions:
• No Modem Communication: (***Error Code------0x8800---0x88FF Network/UART Reset***)
Communication between controller and modem has not been established
• Modem TX Disabled:
Communication between controller and modem is active with Transmitter Disabled
• Modem TX Enabled:
Communication between controller and modem is active with Transmitter Enabled