| ??? 06/03/09 06:31 Modified: 06/03/09 06:38 Read: times |
#165783 - Are there any pitfalls in the above method ?? Responding to: ???'s previous message |
That's a good way to identify the "output" pin(s) on an RS232 connector.
You are effectively doing exactly the same as those little test boxes with the LEDs in; eg, 
http://uk.rs-online.com/web/searc...m=624-6347 Nobody should be without one of those! The limitation, of course, is that it assumes that only Tx & Rx are being used - if the other control signals are also being used, it won't tell you which is which! Larger image:  |
| Topic | Author | Date |
| Practical RS232 (may not be the Pro way ) | 01/01/70 00:00 | |
| I have used this method for many years - no pitfall | 01/01/70 00:00 | |
| Are there any pitfalls in the above method ?? | 01/01/70 00:00 | |
| only with resistors and leds | 01/01/70 00:00 | |
| True | 01/01/70 00:00 | |
Thanks | 01/01/70 00:00 |