# What are these pins for (236 to 244) on WP7702

**URL:** <https://forum.sierrawireless.com/t/what-are-these-pins-for-236-to-244-on-wp7702/15874>\
**Category:** WP Series\
**Created:** [March 28, 2019, 10:37pm UTC](https://forum.sierrawireless.com/t/what-are-these-pins-for-236-to-244-on-wp7702/15874 "2019-03-28T22:37:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sast5](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@sast5](https://forum.sierrawireless.com/u/sast5)\
**Post date:** [March 28, 2019, 10:37pm UTC](https://forum.sierrawireless.com/t/what-are-these-pins-for-236-to-244-on-wp7702/15874/1 "2019-03-28T22:37:35Z")

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It says that pins 236 to 244 are for sierra wireless debugging. Is this JTAG or something else I cant find any details and also am unsure how to route these circular pads on a PCB as the gap is so small can you just place a via on top of them?  
 ![image](https://us1.discourse-cdn.com/flex025/uploads/sierrawireless/original/2X/9/9b9ff6fc37f42c4c6bedc3f05febb23ff4029ef3.png)  
 ![image](https://us1.discourse-cdn.com/flex025/uploads/sierrawireless/original/2X/d/d8ac5328106ff8cbb751e4d7869c01edcabe57c5.png)