Telit Modem

Overview

3G Modem

Vayu 3GHx-E, VIBE 3GHx-E and VIBE2 3GHx-E comes with Telit HE910 3G modem. This modem creates 6 ports :

1. /dev/ttyACM0 : Modem port and AT commands port
2. /dev/ttyACM1
3. /dev/ttyACM2
4. /dev/ttyACM3 : AT commands port
5. /dev/ttyACM4
6. /dev/ttyACM5

4G Modem

Vayu 4GLx-E, VIBE 4GLx-E and VIBE2 4GLx-E comes with Telit LE910 modem. This modem creates 6 ports :

1. /dev/ttyUSB0
2. /dev/ttyUSB1
3. /dev/ttyUSB2 : Modem port and AT commands port
4. /dev/ttyUSB3 : AT commands port
5. /dev/ttyUSB4
6. /dev/cdc-wdm0 : QMI Port

Modem Control

Please ensure that the modem is properly turned on before ppp connections can be established. If PPP connection cannot be established properly, soft reset the modem following the timing procedures for ZTE modem.

The modem can be powered on/off by either using the push button switch or GPIO45.