Linksys WRT54GX4

Overview
"RT3125W-D40", "REV:1.1", "28-000371", and "3028-002061" is silkscreened on the router main board. "704-00104-08" is silkscreened on the wireless module.

WRT54GX4 serial numbers appear to start with KLD0.

Serial Pinouts
The serial header is the (populated) JP1. JP1 [ (RxD) (TxD) (GND) (...) ] v to RTL8651B

Pictures
User Images