These are observed from the DB9 cable that comes with the radio shack digital multimeter. I don't guarentee them to work for anything, though.
| Color | Pin | Purpose | Basic stamp pin | 4 wire color |
| Orange | 5 | GND | 4 | Green |
| Red | 3 | TX | 2 | Black |
| Pink | 4 | DTR | 3 | Red |
| Brown | 2 | RX | 1 | White |