![](http://pdfasset.owneriq.net/2/1a/21a6d8e2-79e6-4537-a91f-e7bdccf3687b/21a6d8e2-79e6-4537-a91f-e7bdccf3687b-bg4.png)
• Pin 1: VDDH (3.3V)
• Pin 2: TxD
• Pin 3: RxD
• Pin 4: GND (Ground)
There are third-party vendors who provide compatible console boards, such as the
AD233AK/AD233BK RS232 adapter kits at:
http://www.compsys1.com/workbench/On_top_of_the_Bench/Max233_Adapter/max233
adapter.html
Make sure the third-party adapter board is connected correctly to the corresponding pins
of J303 on the router board.