Recommended tools for flashing on DCM425

[ZeeLex]

OK, the following steps i did to flash
1. I connected wires as followed
RX to RXD, TX to TXD, GND to GND and VCC to 5.0V ( or should I connect VCC to 3.3V)

2. Connected USB (Message, Cable Activity, Cable Link and PC Link lights are on)
3. Connected AC adapter ( when i connected AC Adapter only Internet light is flashing)
4. Connected ethernet cable
and here is the video for next steps
http://www.youtube.com/embed/5-ceHnmV76g



When i open the Putty nothing is heppening