OK. So I need a serial console on my ASUS WL-500G Premium to debug this kexec problem I'm having.
Having a peek at http://wiki.openwrt.org/OpenWrtDocs/Hardware/Asus/WL500GP#head-8c0c5262c5a79f43d67037a30331937a6f7b8628 it says that the serial output is TTL level. I have a TTL-to-RS232 converter on order which apparently uses the popular MAX232 chip for its work. This adaptor (http://fcpcb.ecrater.com/product.php?pid=1750384) requires an external 3-5V (300 μA) external supply however. I notice on the diagram for the serial connector at the first URL I pasted above that there is a "3.3V_OUT" available. Is this intended to supply such a converter or is this for something else and I should still use an external power supply for the above converter? I do notice in the photo (http://wiki.openwrt.org/OpenWrtDocs/Hardware/Asus/WL500GP/IMG_0007) on that page that the connector wired to that header is using that "3.3V_OUT" supply. I wonder if he is using it to power such a converter. Cheers, b.
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