Does this router support serial TTL console?1.
Yes: first read this: Serial Recovery•
Do not hook up your serial cable/wiring to the header used for the dome LEDs•
The serial connectors (JP1) are next to the dome LED header. Most production/refurb units will not
have a pin header mounted on the PCB for the serial connections (probably to save manufacturing
costs)
•
The FCC photos of the internals show a header for both the dome LED and serial port•
Reference: OpenWRT WNDR3300 wiki•
Reference thread for a photo with the pin outs: WNDR3300 serial pinouts•
The pin outs are as follows:
Pin 1 = 3.3V (towards the front of the router and should have "1" silk screened near the pin)1.
Pin 2 = RXD2.
Pin 3 = n/c3.
Pin 4 = n/c4.
Pin 5 = TXD5.
Pin 6 = GND (towards the rear of the PCB/back of router)6.
•
JP1 = 3.3v TTL Serial, 115200/8/N, 1 row of six pins•
Further instructions: InfoDepot Wiki - Netgear WNDR3300•
More instructions: [1]•
Note: This wiki entry does not discuss how to use or the equipment necessary for serial TTL. For
more on this topic, try this thread: Everything you Ever Wanted to know about Serial - TTL
•
Configuration suggestions
For now here are some threads that discuss possible configuration settings for new users:
Netgear WNDR3300 HELP1.
How to set up wireless WNDR3300?2.
Netgear Wndr3300 CPU loading problems slow wireless3.
Pin Short Recovery
(Not recommended) Short pins 16 & 17 while plugging in the power cable. Ping constantly with 'ping -t -w 1
192.168.1.1', and when you start to see TTL=100, remove the short and tftp a basic *.chk file to the router.
Give it a few mins to figure out what happened, and hopefully the WLAN lights should come back on. If
you're still pinging, things are good if you see a TTL=64, DD-WRT's signature.
Model and Revision Differences
The WNDR3300v2 is actually a WNDR3400v1. Reference the FCC ID.•
Netgear_WNDR3300
JTAG / Serial information 6
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