DB-9 RS232 tester, indicator and null-modem switch

$20.00

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SKU: 10009

Very handy DB-9 / DE-9 RS232 indicator and null-modem switch.
Shows the state of all 8 data/control lines on the standard DB-9 serial connector and has a DIP switch to quickly flip the TXD/RXD data lines from straight-though to null-modem. It also has a header and jumpers to allow custom configuration of the control lines.

The normal units have one male and one female DB-9. However we can ship them with M-M or F-F configurations, just ask.

Full instructions (2-page .pdf):
http://www.arclightindustries.com/misc/de9m.pdf

These are, obviously, very simple and bareboned. They are intended to be usable and affordable, not to win beauty contests.