On 02/25/2015 12:03 PM, Bob Gustafson wrote: > Years ago I had problems with serial cables - I invested in a little > in-line gadget that had red and green LEDs for each line. The one I have > uses 25 pin connectors, so the cable is a mix of 9-25 pin adapters and > the LED viewer. > > You can shut down/disconnect one end to see what lights remain lit. A > flicker on a pair of lights indicates data flow. It has been very helpful.
I picked this up a few days ago and I'm quite happy with it: http://www.amazon.com/gp/product/B00AHYJWWG USB to serial converter with an LED readout including transmit and receive indicators. FTDI chip, too. Jim _______________________________________________ pfSense mailing list https://lists.pfsense.org/mailman/listinfo/list Support the project with Gold! https://pfsense.org/gold