User's Manual

H350 LGA Serials Module Hardware User Manual Page of
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5.3.2.4 WAKE_UP
Module Mode WAKE_UP Signal Description
Sleep
Low level Wake up module, switch from Sleep to Idle
High level Stay in Sleep mode
Idle/Call
Low level Keep mode, no affect
High level Module cannot set to Sleep mode
5.4 USB Interface
5.4.1 USB Interface Description
Pin# Pin Name I/O Description
31 USB_DP I/O USB+
32 USB_DM I/O USB-
33 VBAT I USB power supply
H350 wireless communication module supports USB 2.0. Install the corresponding USB driver before use
on PC. After H350 wireless communication module plugged into the PC, the USB can map seven ports:

One 3G Modem/AT port for data operation
 Three ports for sending AT Command

One port for trace
 Two ports are reserved