Belkin F5D5231-4 v3

Overview
"1244-00000382-010" and "Rev.A" is silkscreened on the board of the unit shown below.
 * A date code of 0512 (March 2005) is etched onto the bottom of the board .. and is the basis for the release estimate in this entry.
 * Caps on this board are S.Y. branded.

Info derived from the serial dumps below would seem to indicate the stock firmware is using the Nucleus RTOS.

Serial Pinouts
JP1 [3.3] [RxD] [GND [TxD]

Pictures
User Images 

Included PSU(s)
The power adapter included with the device is a DVE DVR-1250-B11. ID/OD/Len measurements used in the main infobox are approximate.