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Type 1SC EVK User Guide, v1.3, 5/4/2020
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9. Open a comman
d prompt in Windows, and enter ‘ipconfig’. The PPP connection should
appear. If the routing is setup correctly, any internet traffic should now go through the PPP
connection.
Figure 39 PPP Connection
Disable Ethernet or WiFi on the PC to ensure the internet connection is only through the LTE
module.
Since the baud rate for the PPP port is 115200kbps, the data throughput is low. There are
many PC programs sending and receiving packets to the network which now all use this PPP
connection. Make sure any traffic heavy programs such as the web browser are closed when
testing the internet connection via LTE.
9
Current measurement
Configure the board as follows to use a power module that has its own meter, such as a Keysight
N6705C DC Power An N6781A power module as shown in Figure 40.
•
Remove jumpers on pin 18, 19 on CN11
•
Connect DC supply to both 18 and 19 which provides VBAT and VBAT_FEM, respectively
•
Jump ANT_SEL (6 on CN11) to GND (15 on CN11) to select SMA antenna
•
Connect the EVB to the PC
•
The LTE connection can be either to a tester such as CMW500 or to the live network
The supply must be in the range of 3.2V to 4.2V and capable of delivering 1A of current.
