Serial port pinouts

From DD-WRT Wiki

Revision as of 12:26, 16 April 2008

If anyone has any photos or diagrams, please upload them to the wiki (NOT link to an external image) and add them to this page.

For those interested: (--------- is nearest board edge)

Buffalo WBR2-G54(S)

----------
J5
o gnd
o vcc
o rx
o tx

Motorola WR850G v2 /v3

| tx o o vcc  RJP1
|    o o
|    o o gnd
| rx o o
|    o

Buffalo WLA2-G54C

| tx o o
|    o o vcc
|    o o gnd
| rx o o
|    o
---------

Buffalo WHR-G54S

Connector RJP1

 tx o o      |
    o o vcc  |
    o o gnd  |
 rx o o      |
    o        |
-------------

The serial port runs at 115200 baud, 8 bits, no parity, 1 stop bit using ANSI terminal emulation.

Buffalo WHR-HP-G54

Connector J1

             |
      rx o   |
      tx o   |
     gnd o   |
     vcc o   |
-------------

The serial port runs at 115200 baud, 8 bits, no parity, 1 stop bit using ANSI terminal emulation. Levels are not RS232 voltage levels, but 3V3 TTL logic. Use level shifter (Max232/Max3232/DS275 etc.) to correct this. Also a USB to serial phone cable will work in most cases. A cable with a Prolific 2303 works fine.

Linksys WRT-54G(S)

JP1 or JP2 (on newer models)

vcc o o vcc |
tx1 o o tx0 |
rx1 o o rx0 |
    o o     |
gnd o o gnd |

Linksys WRT-350N v 2.0

J5

vcc o
tx1 o 
rx1 o 
gnd o

Asus WL-500 deluxe

|     o o
| gnd o o vcc
| tx1 o o tx0
| rx1 o o rx0   
|        J5

Sparklan WX6615GT

| 　　　o
| gnd o o rx
| gnd o o 
| vcc o o 
| vcc o o tx   
|        J5

External Links

• Original source of this page on the DD-WRT forums