This router is possibly based on the WLR2454 board, which could be found in several other routers.
I have bought it from an hungarian auction portal in defected state.
The LAN, WAN leds are lighting, possibly due to the fail of the switch
IC.
I have a died TPLINK TL-340GD with the same switch, so I will change it.
I can access it via wireless fine. 
Problem:
All LAN leds and WAN led is lighting. My board had a short in the 88E6060's generated 2,5V VDD. 
If you have similar problem check the following: 
Measure the resistance between the GND and the C479 + pin (polarized cap near the switch IC's corner).
If you measure ~short in both directions the 88E6060 is dead. If it good you should measure ~ 30 Ohms in both directions. 
I have replaced the switch IC from an died TPLINK  TL-340GD. Now the LAN is functioning, but the WAN is dead. 
I don't know that it is the failture of the colis, or the new 88E6060's wan port is dead too. 
Hardware:
  
    
      CPU: 
       | 
      Atheros AR2313A 
       | 
    
    
      Flash 
       | 
      29LV800BBTC 2MByte 
       | 
    
    
      Ram: 
       | 
      M12L6416 8 MByte 
       | 
    
    
      Radio: 
       | 
      Atheros AR2112A (802.11 b/g) 
       | 
    
    
      Switch: 
       | 
      Marwell 88E606 
       | 
    
  
Picture from the PCB:
Serial port:
Next to the antenna there is an unsoldered 12 pin connector. 
The pinout: (12th pin is at the cutoff of the border)
  
    
      GND 
       | 
      GND 
       | 
    
    
      ? 
       | 
      TX 
       | 
    
    
      ? 
       | 
      ? 
       | 
    
    
      ? 
       | 
      ? 
       | 
    
    
      ? 
       | 
      RX 
       | 
    
    
      +3,3 V 
       | 
      +3,3 V 
       | 
    
  
I had not seen any interesting on the serial link. only on 9600 8n1 seen some normal traffic which is:
aaa
bbb
EZ
JTAG:
The second pinhead is possibly a JTAG connector. Possibly 
MIPS EJTAG JTAG header pinout.
  
    
      VCC 
       | 
       
       | 
    
    
       
       | 
       
       | 
    
    
      GND 
       | 
      pulled low 
       | 
    
    
      GND 
       | 
      pulled low | 
    
    
      GND 
       | 
       
       | 
    
    
      GND 
       | 
      pulled low 
       | 
    
    
      GND 
       | 
      pulled low place R3 to wire it to somewhere  
       |