Module Testing Recommendations; Serial Link Access - Sierra Wireless AirPrime SL808 Series Product Technical Specification & Customer Design Manuallines

Product Technical Specification & Customer Design Guidelines
104 Proprietary and Confidential - Specifications subject to change

9.4 Module testing recommendations

When testing your integration design:
• Test to your worst case operating environment conditions (temperature and
voltage)
• Test using worst case operation (transmitter on 100% duty cycle, maximum
power)
• Monitor temperature at the location shown below—this should be the hottest
spot on the device (the WCDMA PA).
Figure 9-1: Recommended thermocouple location
Note: Make sure that your system design provides sufficient cooling for the module. The
RF shield temperature should be kept below 90
the module's components.

9.5 Serial link access

Direct access to the UART1 serial link is useful for:
• Testability operations
• Firmware download (for more information on firmware upgrade, see
upgrade on page 30)
To allow that access, the following serial link access design is recommended:
°
C when integrated to prevent damage to
Firmware
2400058