Linksys WRT310N v2

Wireless-N Gigabit Router

"3762-02010206R" is silkscreened on the board.

On the DD-WRT forums

The power adapter included with the device is a Linksys AD12V/1A-SW. ID/OD/Len measurements are approximate.

TTL Serial Connection
You'll need a 3.3v capable TTL level converter like CP2102 chipset device. (find at amazon, ebay, etc) The unpopulated pads are labeled J14. Pinout is: 3.3v, TX, RX, NC?, GND. Serial settings 115200,8,N,1.