# References - [Low-speed and high-speed expansion connectors](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html) - [Low-speed expansion connector 1 (LS1)](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html#low-speed-expansion-connector-1-ls1) - [Low-speed expansion connector 2 (LS2)](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html#low-speed-expansion-connector-2-ls2) - [Low-speed expansion connector 3 (LS3)](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html#low-speed-expansion-connector-3-ls3) - [High-speed expansion connector 1 (HS1)](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html#high-speed-expansion-connector-1-hs1) - [High-speed expansion connector 2 (HS2)](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html#high-speed-expansion-connector-2-hs2) - [High-speed expansion connector 3 (HS3)](https://docs.qualcomm.com/doc/80-70015-251/topic/low_speed_high_speed_expansion_connectors.html#high-speed-expansion-connector-3-hs3) - [DIP switches](https://docs.qualcomm.com/doc/80-70015-251/topic/rb3_dip_switches.html) - [Mainboard DIP switches](https://docs.qualcomm.com/doc/80-70015-251/topic/rb3_dip_switches.html#mainboard-dip-switches) - [Interposer DIP switches](https://docs.qualcomm.com/doc/80-70015-251/topic/rb3_dip_switches.html#interposer-dip-switches) - [Thermal testing and results](https://docs.qualcomm.com/doc/80-70015-251/topic/thermal_testing.html) - [Test environment](https://docs.qualcomm.com/doc/80-70015-251/topic/thermal_testing.html#test-environment) - [Test scenario - example 1](https://docs.qualcomm.com/doc/80-70015-251/topic/thermal_testing.html#test-scenario-example-1) - [Test case](https://docs.qualcomm.com/doc/80-70015-251/topic/thermal_testing.html#test-case) - [FAQs](https://docs.qualcomm.com/doc/80-70015-251/topic/thermal_testing.html#faqs) - [How to interface custom camera sensor](https://docs.qualcomm.com/doc/80-70015-251/topic/custom-camera-sensor.html) - [Connectors on RB3 Gen 2](https://docs.qualcomm.com/doc/80-70015-251/topic/custom-camera-sensor.html#connectors-on-rb3-gen-2) - [Vision Mezzanine pinouts](https://docs.qualcomm.com/doc/80-70015-251/topic/custom-camera-sensor.html#vision-mezzanine-pinouts) - [Related documents](https://docs.qualcomm.com/doc/80-70015-251/topic/rel-docs.html) - [Acronyms and terms](https://docs.qualcomm.com/doc/80-70015-251/topic/acronyms_and_terms.html) Last Published: Feb 07, 2025 [Previous Topic Mainboard RF antennas](https://docs.qualcomm.com/bundle/publicresource/80-70015-251/topics/rb3_mainboard_rf_antennas.md) [Next Topic Low-speed and high-speed expansion connectors](https://docs.qualcomm.com/bundle/publicresource/80-70015-251/topics/low_speed_high_speed_expansion_connectors.md)