Quectel LTE OPEN EVB - Communication Via USB or UART Interface

LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 57 / 62
The following table shows EC2x/AG35-QuecOpen module’s network status which is indicated via D0312.
Table 29: Indication of D0312
5.2. Communication Via USB or UART Interface
5.2.1. Communication via USB Interface
1. Power on the LTE-QuecOpen module according to the procedures mentioned in Chapter 5.1.1.
2. Connect the EVB and the PC with Micro-USB cable through USB interface, and then run the driver
disk on PC to install the USB driver. For details about USB driver installation, please refer to
document [1]. The USB port numbers can be viewed through the PC Device Manager, as shown
below.
Figure 46: USB Ports
3. Install and then use the QCOM tool provided by Quectel to realize the communication between the
module and the PC. The following figure shows the COM Port Setting field on QCOM: select correct
“COM port” (USB AT Port which is shown in above figure) and set correct “Baudrate” (such as
115200bps). For more details about QCOM tool usage and configuration, please refer to document
[6].
Status
Indication LEDs
State
Network Status
D0312
NET_STATUS
Flicker slowly
(200ms ON/1800ms OFF)
Network searching
Flicker slowly
(1800ms ON/200ms OFF)
Idle mode
Flicker slowly
(125ms ON/125ms OFF)
Data is being transferred over 2G/3G/4G network
Always ON
Voice calling