Main Db9 Rs232 Interface; Usb Interface; The Switch And Control; The Peripheral Circuit Of Power_On - Fibocom G600 User Manual

Important:
LED indicator.

4.2.1 Main DB9 RS232 Interface

This interface is a complete 8-line interface, and it can be connected with PC or other DTE equipments
directly. Development board has RS-232 Transceiver SP3238EEA inside.

4.2.2 USB Interface

Development board has USB transfer UART interface chip (PL2303). It will connect four interfaces
（TXD/RXD/CTS/RTS） to UART interface of G600 module. LUSB LED indicator will be on after USB is
Important:

4.3 The Switch and Control

In this chapter, switch and control directions include: POWER_ON / RESET_N / LPG / TX_EN /
VDD. LPG/TX_EN/VDD directs the state through LED indicator. POWER_ON / RESET_N have
corresponding buttons and circuit.

4.3.1 The Peripheral Circuit of POWER_ON

Development board
H330 HSPA+ Module Development Kit User Manual
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You can identify whether G600 is under SLEEP mode through the state of LCTS
Jumper Switch
JI1
JI2
You need install driver in some operating system when you use USB.
RM6 & CM11
so RM6 and CM11 will compose effective turn-on signal
Turn on/ off USB interface as main communication
Turn on/ off Main RS232 as main communication
inserted.
Description
G600 has 330KΩ resistance pulled up to the VBATT,
Description
interface
interface
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