Lantronix xPico 200 Evaluation Kit xPico 200r Certification Firmware Instructi - Page 6

Certification Test Modes, Hardware Requirements for Continuous Mode Testing

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Certification Test Modes Certification testing requires both normal mode testing and continuous mode testing. The number of units needed for certification testing depends on the regional certifications planned. Consult with your certification lab prior to testing for their recommendation on the number of normal mode test units and continuous mode test units.  Normal mode testing is conducted with the xPico 200 module running the base application software. In this case the unit should be configured to run tests with the module interfaces both idle and fully exercised. For Ethernet and Wi-Fi interfaces, iperf or some other network utilization method can be used. Serial and USB ports should utilize a similar program to exercise the used ports for certification EMC tests.  Continuous mode testing is conducted in cases where full transmitter certification or re-certification is required. The certification lab will require testing on some units that run continuous mode transmitter and receiver tests. To run the continuous transmit and receive mode tests, special firmware needs to be loaded on the xPico 200 module. Hardware Requirements for Continuous Mode Testing The following hardware requirements are needed for continuous mode testing. The continuous mode software can be downloaded at https://www.lantronix.com/products/xpico-200/#tab-docsdownloads.  To run the xPico 240/250 transmitter and receiver tests for full certification, access to the module serial port is required.  The serial port connections are required to load a special firmware image that allows continuous transmit, continuous receive, and other tests required for transmitter certification.  Lantronix recommends adding test points for the serial port to assist with loading the certification test code. The current implementation requires that this data is loaded via the serial interface. It's recommended to include an option to tristate other devices connected to the serial port line while the manufacturing test loading is in progress. An example of the recommended manufacturing test point is shown in the figure below. xPico® 200 Certification Firmware Instructions 6

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xPico
®
200 Certification Firmware Instructions
6
Certification Test Modes
Certification testing requires both normal mode testing and continuous mode testing. The number
of units needed for certification testing depends on the regional certifications planned.
Consult
with your certification lab prior to testing for their recommendation on the number of normal mode
test units and continuous mode test units.
Normal mode testing
is conducted with the xPico 200 module running the base
application software.
In this case the unit should be configured to run tests with the
module interfaces both idle and fully exercised.
For Ethernet and Wi-Fi interfaces, iperf
or some other network utilization method can be used. Serial and USB ports should
utilize a similar program to exercise the used ports for certification EMC tests.
Continuous mode testing
is conducted in cases where full transmitter certification or
re-certification is required.
The certification lab will require testing on some units that
run continuous mode transmitter and receiver tests. To run the continuous transmit and
receive mode tests, special firmware needs to be loaded on the xPico 200 module.
Hardware Requirements for Continuous Mode Testing
The following hardware requirements are needed for continuous mode testing. The continuous
mode software can be downloaded at
downloads
.
To run the xPico 240/250 transmitter and receiver tests for full certification, access to
the module serial port is required.
The serial port connections are required to load a special firmware image that allows
continuous transmit, continuous receive, and other tests required for transmitter
certification.
Lantronix recommends adding test points for the serial port to assist with loading the
certification test code. The current implementation requires that this data is loaded via
the serial interface.
It’s
recommended to include an option to tristate other devices
connected to the serial port line while the manufacturing test loading is in progress.
An
example of the recommended manufacturing test point is shown in the figure below.